1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2000-2006 Silicon Graphics, Inc.
58 	int		maxrootrecs;	/* max records in root block */  in xfs_bmap_compute_maxlevels()
59 	int		minleafrecs;	/* min records in leaf block */  in xfs_bmap_compute_maxlevels()
60 	int		minnoderecs;	/* min records in node block */  in xfs_bmap_compute_maxlevels()
61 	int		sz;		/* root block size */  in xfs_bmap_compute_maxlevels()
65 	 * leaf entries, is controlled by the size of the on-disk extent count.  in xfs_bmap_compute_maxlevels()
69 	 * (xfs_default_attroffset(ip) >> 3) because we could have mounted with  in xfs_bmap_compute_maxlevels()
83 	minleafrecs = mp->m_bmap_dmnr[0];  in xfs_bmap_compute_maxlevels()
84 	minnoderecs = mp->m_bmap_dmnr[1];  in xfs_bmap_compute_maxlevels()
92 	mp->m_bm_maxlevels[whichfork] = level;  in xfs_bmap_compute_maxlevels()
93 	ASSERT(mp->m_bm_maxlevels[whichfork] <= xfs_bmbt_maxlevels_ondisk());  in xfs_bmap_compute_maxlevels()
100 	if (mp->m_sb.sb_inodesize == 256)  in xfs_bmap_compute_attr_offset()
101 		return XFS_LITINO(mp) - XFS_BMDR_SPACE_CALC(MINABTPTRS);  in xfs_bmap_compute_attr_offset()
111 	cur->bc_rec.b = *irec;  in xfs_bmbt_lookup_eq()
120 	cur->bc_rec.b.br_startoff = 0;  in xfs_bmbt_lookup_first()
121 	cur->bc_rec.b.br_startblock = 0;  in xfs_bmbt_lookup_first()
122 	cur->bc_rec.b.br_blockcount = 0;  in xfs_bmbt_lookup_first()
129 static inline bool xfs_bmap_needs_btree(struct xfs_inode *ip, int whichfork)  in xfs_bmap_needs_btree()  argument
131 	struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_needs_btree()
134 		ifp->if_format == XFS_DINODE_FMT_EXTENTS &&  in xfs_bmap_needs_btree()
135 		ifp->if_nextents > XFS_IFORK_MAXEXT(ip, whichfork);  in xfs_bmap_needs_btree()
141 static inline bool xfs_bmap_wants_extents(struct xfs_inode *ip, int whichfork)  in xfs_bmap_wants_extents()  argument
143 	struct xfs_ifork *ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_wants_extents()
146 		ifp->if_format == XFS_DINODE_FMT_BTREE &&  in xfs_bmap_wants_extents()
147 		ifp->if_nextents <= XFS_IFORK_MAXEXT(ip, whichfork);  in xfs_bmap_wants_extents()
166  * Compute the worst-case number of indirect blocks that will be used
167  * for ip's delayed extent of length "len".
171 	xfs_inode_t	*ip,		/* incore inode pointer */  in xfs_bmap_worst_indlen()  argument
179 	mp = ip->i_mount;  in xfs_bmap_worst_indlen()
180 	maxrecs = mp->m_bmap_dmxr[0];  in xfs_bmap_worst_indlen()
184 		len += maxrecs - 1;  in xfs_bmap_worst_indlen()
188 			return rval + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) -  in xfs_bmap_worst_indlen()
189 				level - 1;  in xfs_bmap_worst_indlen()
191 			maxrecs = mp->m_bmap_dmxr[1];  in xfs_bmap_worst_indlen()
201 	struct xfs_inode	*ip)  in xfs_default_attroffset()  argument
203 	if (ip->i_df.if_format == XFS_DINODE_FMT_DEV)  in xfs_default_attroffset()
205 	return M_IGEO(ip->i_mount)->attr_fork_offset;  in xfs_default_attroffset()
210  * from local to extent format - we reset it where possible to make space
215 	xfs_inode_t	*ip,  in xfs_bmap_forkoff_reset()  argument
219 	    ip->i_df.if_format != XFS_DINODE_FMT_DEV &&  in xfs_bmap_forkoff_reset()
220 	    ip->i_df.if_format != XFS_DINODE_FMT_BTREE) {  in xfs_bmap_forkoff_reset()
221 		uint	dfl_forkoff = xfs_default_attroffset(ip) >> 3;  in xfs_bmap_forkoff_reset()
223 		if (dfl_forkoff > ip->i_forkoff)  in xfs_bmap_forkoff_reset()
224 			ip->i_forkoff = dfl_forkoff;  in xfs_bmap_forkoff_reset()
240 	for (i = 0; i < cur->bc_maxlevels; i++) {  in xfs_bmap_get_bp()
241 		if (!cur->bc_levels[i].bp)  in xfs_bmap_get_bp()
243 		if (xfs_buf_daddr(cur->bc_levels[i].bp) == bno)  in xfs_bmap_get_bp()
244 			return cur->bc_levels[i].bp;  in xfs_bmap_get_bp()
248 	list_for_each_entry(lip, &cur->bc_tp->t_items, li_trans) {  in xfs_bmap_get_bp()
251 		if (bip->bli_item.li_type == XFS_LI_BUF &&  in xfs_bmap_get_bp()
252 		    xfs_buf_daddr(bip->bli_buf) == bno)  in xfs_bmap_get_bp()
253 			return bip->bli_buf;  in xfs_bmap_get_bp()
261 	struct xfs_btree_block	*block,  in xfs_check_block()  argument
267 	__be64			*pp, *thispa;	/* pointer to block address */  in xfs_check_block()
270 	ASSERT(be16_to_cpu(block->bb_level) > 0);  in xfs_check_block()
273 	for( i = 1; i <= xfs_btree_get_numrecs(block); i++) {  in xfs_check_block()
274 		dmxr = mp->m_bmap_dmxr[0];  in xfs_check_block()
275 		keyp = XFS_BMBT_KEY_ADDR(mp, block, i);  in xfs_check_block()
278 			ASSERT(be64_to_cpu(prevp->br_startoff) <  in xfs_check_block()
279 			       be64_to_cpu(keyp->br_startoff));  in xfs_check_block()
284 		 * Compare the block numbers to see if there are dups.  in xfs_check_block()
287 			pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, i, sz);  in xfs_check_block()
289 			pp = XFS_BMBT_PTR_ADDR(mp, block, i, dmxr);  in xfs_check_block()
291 		for (j = i+1; j <= be16_to_cpu(block->bb_numrecs); j++) {  in xfs_check_block()
293 				thispa = XFS_BMAP_BROOT_PTR_ADDR(mp, block, j, sz);  in xfs_check_block()
295 				thispa = XFS_BMBT_PTR_ADDR(mp, block, j, dmxr);  in xfs_check_block()
309  * Check that the extents for the inode ip are in the right order in all
318 	xfs_inode_t		*ip,		/* incore inode pointer */  in xfs_bmap_check_leaf_extents()  argument
321 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_check_leaf_extents()
322 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_check_leaf_extents()
323 	struct xfs_btree_block	*block;	/* current btree block */  in xfs_bmap_check_leaf_extents()  local
324 	xfs_fsblock_t		bno;	/* block # of "block" */  in xfs_bmap_check_leaf_extents()
325 	struct xfs_buf		*bp;	/* buffer for "block" */  in xfs_bmap_check_leaf_extents()
329 	__be64			*pp;	/* pointer to block address */  in xfs_bmap_check_leaf_extents()
331 	xfs_bmbt_rec_t		last = {0, 0}; /* last extent in prev block */  in xfs_bmap_check_leaf_extents()
335 	if (ifp->if_format != XFS_DINODE_FMT_BTREE)  in xfs_bmap_check_leaf_extents()
339 	if (ip->i_df.if_nextents > 10000)  in xfs_bmap_check_leaf_extents()
343 	block = ifp->if_broot;  in xfs_bmap_check_leaf_extents()
347 	level = be16_to_cpu(block->bb_level);  in xfs_bmap_check_leaf_extents()
349 	xfs_check_block(block, mp, 1, ifp->if_broot_bytes);  in xfs_bmap_check_leaf_extents()
350 	pp = XFS_BMAP_BROOT_PTR_ADDR(mp, block, 1, ifp->if_broot_bytes);  in xfs_bmap_check_leaf_extents()
354 	ASSERT(XFS_FSB_TO_AGNO(mp, bno) < mp->m_sb.sb_agcount);  in xfs_bmap_check_leaf_extents()
355 	ASSERT(XFS_FSB_TO_AGBNO(mp, bno) < mp->m_sb.sb_agblocks);  in xfs_bmap_check_leaf_extents()
361 	while (level-- > 0) {  in xfs_bmap_check_leaf_extents()
373 		block = XFS_BUF_TO_BLOCK(bp);  in xfs_bmap_check_leaf_extents()
378 		 * Check this block for basic sanity (increasing keys and  in xfs_bmap_check_leaf_extents()
382 		xfs_check_block(block, mp, 0, 0);  in xfs_bmap_check_leaf_extents()
383 		pp = XFS_BMBT_PTR_ADDR(mp, block, 1, mp->m_bmap_dmxr[1]);  in xfs_bmap_check_leaf_extents()
386 			error = -EFSCORRUPTED;  in xfs_bmap_check_leaf_extents()
396 	 * Here with bp and block set to the leftmost leaf node in the tree.  in xfs_bmap_check_leaf_extents()
408 		num_recs = xfs_btree_get_numrecs(block);  in xfs_bmap_check_leaf_extents()
411 		 * Read-ahead the next leaf block, if any.  in xfs_bmap_check_leaf_extents()
414 		nextbno = be64_to_cpu(block->bb_u.l.bb_rightsib);  in xfs_bmap_check_leaf_extents()
418 		 * If we had a previous block, the last entry should  in xfs_bmap_check_leaf_extents()
422 		ep = XFS_BMBT_REC_ADDR(mp, block, 1);  in xfs_bmap_check_leaf_extents()
429 			nextp = XFS_BMBT_REC_ADDR(mp, block, j + 1);  in xfs_bmap_check_leaf_extents()
459 		block = XFS_BUF_TO_BLOCK(bp);  in xfs_bmap_check_leaf_extents()
508 		       mval[i - 1].br_startoff + mval[i - 1].br_blockcount ==  in xfs_bmap_validate_ret()
518 #define xfs_bmap_check_leaf_extents(cur, ip, whichfork)		do { } while (0)  argument
530  * Since the extents are already in-core, all we have to do is give up the space
531  * for the btree root and pitch the leaf block.
536 	struct xfs_inode	*ip,	/* incore inode pointer */  in xfs_bmap_btree_to_extents()  argument
541 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_btree_to_extents()
542 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_btree_to_extents()
543 	struct xfs_btree_block	*rblock = ifp->if_broot;  in xfs_bmap_btree_to_extents()
544 	struct xfs_btree_block	*cblock;/* child btree block */  in xfs_bmap_btree_to_extents()
545 	xfs_fsblock_t		cbno;	/* child block number */  in xfs_bmap_btree_to_extents()
546 	struct xfs_buf		*cbp;	/* child block's buffer */  in xfs_bmap_btree_to_extents()
548 	__be64			*pp;	/* ptr to block address */  in xfs_bmap_btree_to_extents()
552 	if (!xfs_bmap_wants_extents(ip, whichfork))  in xfs_bmap_btree_to_extents()
557 	ASSERT(ifp->if_format == XFS_DINODE_FMT_BTREE);  in xfs_bmap_btree_to_extents()
558 	ASSERT(be16_to_cpu(rblock->bb_level) == 1);  in xfs_bmap_btree_to_extents()
559 	ASSERT(be16_to_cpu(rblock->bb_numrecs) == 1);  in xfs_bmap_btree_to_extents()
560 	ASSERT(xfs_bmbt_maxrecs(mp, ifp->if_broot_bytes, 0) == 1);  in xfs_bmap_btree_to_extents()
562 	pp = XFS_BMAP_BROOT_PTR_ADDR(mp, rblock, 1, ifp->if_broot_bytes);  in xfs_bmap_btree_to_extents()
565 	if (XFS_IS_CORRUPT(cur->bc_mp, !xfs_btree_check_lptr(cur, cbno, 1)))  in xfs_bmap_btree_to_extents()
566 		return -EFSCORRUPTED;  in xfs_bmap_btree_to_extents()
576 	xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, whichfork);  in xfs_bmap_btree_to_extents()
577 	error = xfs_free_extent_later(cur->bc_tp, cbno, 1, &oinfo,  in xfs_bmap_btree_to_extents()
582 	ip->i_nblocks--;  in xfs_bmap_btree_to_extents()
583 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);  in xfs_bmap_btree_to_extents()
585 	if (cur->bc_levels[0].bp == cbp)  in xfs_bmap_btree_to_extents()
586 		cur->bc_levels[0].bp = NULL;  in xfs_bmap_btree_to_extents()
587 	xfs_iroot_realloc(ip, -1, whichfork);  in xfs_bmap_btree_to_extents()
588 	ASSERT(ifp->if_broot == NULL);  in xfs_bmap_btree_to_extents()
589 	ifp->if_format = XFS_DINODE_FMT_EXTENTS;  in xfs_bmap_btree_to_extents()
595  * Convert an extents-format file into a btree-format file.
596  * The new file will have a root block (in the inode) and a single child block.
601 	struct xfs_inode	*ip,		/* incore inode pointer */  in xfs_bmap_extents_to_btree()  argument
607 	struct xfs_btree_block	*ablock;	/* allocated (child) bt block */  in xfs_bmap_extents_to_btree()
611 	struct xfs_btree_block	*block;		/* btree root block */  in xfs_bmap_extents_to_btree()  local
615 	struct xfs_bmbt_key	*kp;		/* root block key pointer */  in xfs_bmap_extents_to_btree()
617 	xfs_bmbt_ptr_t		*pp;		/* root block address pointer */  in xfs_bmap_extents_to_btree()
622 	mp = ip->i_mount;  in xfs_bmap_extents_to_btree()
624 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_extents_to_btree()
625 	ASSERT(ifp->if_format == XFS_DINODE_FMT_EXTENTS);  in xfs_bmap_extents_to_btree()
631 	xfs_iroot_realloc(ip, 1, whichfork);  in xfs_bmap_extents_to_btree()
636 	block = ifp->if_broot;  in xfs_bmap_extents_to_btree()
637 	xfs_btree_init_block_int(mp, block, XFS_BUF_DADDR_NULL,  in xfs_bmap_extents_to_btree()
638 				 XFS_BTNUM_BMAP, 1, 1, ip->i_ino,  in xfs_bmap_extents_to_btree()
643 	cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in xfs_bmap_extents_to_btree()
644 	cur->bc_ino.flags = wasdel ? XFS_BTCUR_BMBT_WASDEL : 0;  in xfs_bmap_extents_to_btree()
648 	ifp->if_format = XFS_DINODE_FMT_BTREE;  in xfs_bmap_extents_to_btree()
652 	xfs_rmap_ino_bmbt_owner(&args.oinfo, ip->i_ino, whichfork);  in xfs_bmap_extents_to_btree()
658 				XFS_INO_TO_FSB(mp, ip->i_ino));  in xfs_bmap_extents_to_btree()
666 		error = -ENOSPC;  in xfs_bmap_extents_to_btree()
670 	cur->bc_ino.allocated++;  in xfs_bmap_extents_to_btree()
671 	ip->i_nblocks++;  in xfs_bmap_extents_to_btree()
672 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, 1L);  in xfs_bmap_extents_to_btree()
673 	error = xfs_trans_get_buf(tp, mp->m_ddev_targp,  in xfs_bmap_extents_to_btree()
675 			mp->m_bsize, 0, &abp);  in xfs_bmap_extents_to_btree()
680 	 * Fill in the child block.  in xfs_bmap_extents_to_btree()
682 	abp->b_ops = &xfs_bmbt_buf_ops;  in xfs_bmap_extents_to_btree()
685 				XFS_BTNUM_BMAP, 0, 0, ip->i_ino,  in xfs_bmap_extents_to_btree()
695 	ASSERT(cnt == ifp->if_nextents);  in xfs_bmap_extents_to_btree()
701 	kp = XFS_BMBT_KEY_ADDR(mp, block, 1);  in xfs_bmap_extents_to_btree()
703 	kp->br_startoff = cpu_to_be64(xfs_bmbt_disk_get_startoff(arp));  in xfs_bmap_extents_to_btree()
704 	pp = XFS_BMBT_PTR_ADDR(mp, block, 1, xfs_bmbt_get_maxrecs(cur,  in xfs_bmap_extents_to_btree()
705 						be16_to_cpu(block->bb_level)));  in xfs_bmap_extents_to_btree()
713 	xfs_btree_log_recs(cur, abp, 1, be16_to_cpu(ablock->bb_numrecs));  in xfs_bmap_extents_to_btree()
720 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);  in xfs_bmap_extents_to_btree()
722 	xfs_iroot_realloc(ip, -1, whichfork);  in xfs_bmap_extents_to_btree()
723 	ifp->if_format = XFS_DINODE_FMT_EXTENTS;  in xfs_bmap_extents_to_btree()
724 	ASSERT(ifp->if_broot == NULL);  in xfs_bmap_extents_to_btree()
734  * (The bmap-level manipulations are ok, though).
739 	struct xfs_inode	*ip,  in xfs_bmap_local_to_extents_empty()  argument
742 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_local_to_extents_empty()
745 	ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);  in xfs_bmap_local_to_extents_empty()
746 	ASSERT(ifp->if_bytes == 0);  in xfs_bmap_local_to_extents_empty()
747 	ASSERT(ifp->if_nextents == 0);  in xfs_bmap_local_to_extents_empty()
749 	xfs_bmap_forkoff_reset(ip, whichfork);  in xfs_bmap_local_to_extents_empty()
750 	ifp->if_u1.if_root = NULL;  in xfs_bmap_local_to_extents_empty()
751 	ifp->if_height = 0;  in xfs_bmap_local_to_extents_empty()
752 	ifp->if_format = XFS_DINODE_FMT_EXTENTS;  in xfs_bmap_local_to_extents_empty()
753 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);  in xfs_bmap_local_to_extents_empty()
760 	xfs_inode_t	*ip,		/* incore inode pointer */  in xfs_bmap_local_to_extents()  argument
766 				   struct xfs_inode *ip,  in xfs_bmap_local_to_extents()  argument
773 	struct xfs_buf	*bp;		/* buffer for extent block */  in xfs_bmap_local_to_extents()
781 	ASSERT(!(S_ISREG(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK));  in xfs_bmap_local_to_extents()
782 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_local_to_extents()
783 	ASSERT(ifp->if_format == XFS_DINODE_FMT_LOCAL);  in xfs_bmap_local_to_extents()
785 	if (!ifp->if_bytes) {  in xfs_bmap_local_to_extents()
786 		xfs_bmap_local_to_extents_empty(tp, ip, whichfork);  in xfs_bmap_local_to_extents()
795 	args.mp = ip->i_mount;  in xfs_bmap_local_to_extents()
798 	xfs_rmap_ino_owner(&args.oinfo, ip->i_ino, whichfork, 0);  in xfs_bmap_local_to_extents()
801 	 * Allocate a block.  We know we need only one, since the  in xfs_bmap_local_to_extents()
807 			XFS_INO_TO_FSB(args.mp, ip->i_ino));  in xfs_bmap_local_to_extents()
814 	error = xfs_trans_get_buf(tp, args.mp->m_ddev_targp,  in xfs_bmap_local_to_extents()
816 			args.mp->m_bsize, 0, &bp);  in xfs_bmap_local_to_extents()
821 	 * Initialize the block, copy the data and log the remote buffer.  in xfs_bmap_local_to_extents()
828 	init_fn(tp, bp, ip, ifp);  in xfs_bmap_local_to_extents()
831 	xfs_idata_realloc(ip, -ifp->if_bytes, whichfork);  in xfs_bmap_local_to_extents()
832 	xfs_bmap_local_to_extents_empty(tp, ip, whichfork);  in xfs_bmap_local_to_extents()
835 	ifp->if_u1.if_root = NULL;  in xfs_bmap_local_to_extents()
836 	ifp->if_height = 0;  in xfs_bmap_local_to_extents()
843 	xfs_iext_insert(ip, &icur, &rec, 0);  in xfs_bmap_local_to_extents()
845 	ifp->if_nextents = 1;  in xfs_bmap_local_to_extents()
846 	ip->i_nblocks = 1;  in xfs_bmap_local_to_extents()
847 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, 1L);  in xfs_bmap_local_to_extents()
861 	xfs_inode_t		*ip,		/* incore inode pointer */  in xfs_bmap_add_attrfork_btree()  argument
864 	struct xfs_btree_block	*block = ip->i_df.if_broot;  in xfs_bmap_add_attrfork_btree()  local
870 	mp = ip->i_mount;  in xfs_bmap_add_attrfork_btree()
872 	if (XFS_BMAP_BMDR_SPACE(block) <= xfs_inode_data_fork_size(ip))  in xfs_bmap_add_attrfork_btree()
875 		cur = xfs_bmbt_init_cursor(mp, tp, ip, XFS_DATA_FORK);  in xfs_bmap_add_attrfork_btree()
881 			error = -EFSCORRUPTED;  in xfs_bmap_add_attrfork_btree()
888 			return -ENOSPC;  in xfs_bmap_add_attrfork_btree()
890 		cur->bc_ino.allocated = 0;  in xfs_bmap_add_attrfork_btree()
905 	struct xfs_inode	*ip,		/* incore inode pointer */  in xfs_bmap_add_attrfork_extents()  argument
911 	if (ip->i_df.if_nextents * sizeof(struct xfs_bmbt_rec) <=  in xfs_bmap_add_attrfork_extents()
912 	    xfs_inode_data_fork_size(ip))  in xfs_bmap_add_attrfork_extents()
915 	error = xfs_bmap_extents_to_btree(tp, ip, &cur, 0, flags,  in xfs_bmap_add_attrfork_extents()
918 		cur->bc_ino.allocated = 0;  in xfs_bmap_add_attrfork_extents()
927  * conversion. Some are basic and only require special block initialisation
932  * formatting callout. It should be possible - it's just a very complex
938 	struct xfs_inode	*ip,		/* incore inode pointer */  in xfs_bmap_add_attrfork_local()  argument
943 	if (ip->i_df.if_bytes <= xfs_inode_data_fork_size(ip))  in xfs_bmap_add_attrfork_local()
946 	if (S_ISDIR(VFS_I(ip)->i_mode)) {  in xfs_bmap_add_attrfork_local()
948 		dargs.geo = ip->i_mount->m_dir_geo;  in xfs_bmap_add_attrfork_local()
949 		dargs.dp = ip;  in xfs_bmap_add_attrfork_local()
950 		dargs.total = dargs.geo->fsbcount;  in xfs_bmap_add_attrfork_local()
956 	if (S_ISLNK(VFS_I(ip)->i_mode))  in xfs_bmap_add_attrfork_local()
957 		return xfs_bmap_local_to_extents(tp, ip, 1, flags,  in xfs_bmap_add_attrfork_local()
963 	return -EFSCORRUPTED;  in xfs_bmap_add_attrfork_local()
971 	struct xfs_inode	*ip,  in xfs_bmap_set_attrforkoff()  argument
975 	int			default_size = xfs_default_attroffset(ip) >> 3;  in xfs_bmap_set_attrforkoff()
977 	switch (ip->i_df.if_format) {  in xfs_bmap_set_attrforkoff()
979 		ip->i_forkoff = default_size;  in xfs_bmap_set_attrforkoff()
984 		ip->i_forkoff = xfs_attr_shortform_bytesfit(ip, size);  in xfs_bmap_set_attrforkoff()
985 		if (!ip->i_forkoff)  in xfs_bmap_set_attrforkoff()
986 			ip->i_forkoff = default_size;  in xfs_bmap_set_attrforkoff()
987 		else if (xfs_has_attr2(ip->i_mount) && version)  in xfs_bmap_set_attrforkoff()
992 		return -EINVAL;  in xfs_bmap_set_attrforkoff()
999  * Convert inode from non-attributed to attributed.
1000  * Must not be in a transaction, ip must not be locked.
1004 	xfs_inode_t		*ip,		/* incore inode pointer */  in xfs_bmap_add_attrfork()  argument
1015 	ASSERT(xfs_inode_has_attr_fork(ip) == 0);  in xfs_bmap_add_attrfork()
1017 	mp = ip->i_mount;  in xfs_bmap_add_attrfork()
1018 	ASSERT(!XFS_NOT_DQATTACHED(mp, ip));  in xfs_bmap_add_attrfork()
1022 	error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_addafork, blks, 0,  in xfs_bmap_add_attrfork()
1026 	if (xfs_inode_has_attr_fork(ip))  in xfs_bmap_add_attrfork()
1029 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);  in xfs_bmap_add_attrfork()
1030 	error = xfs_bmap_set_attrforkoff(ip, size, &version);  in xfs_bmap_add_attrfork()
1034 	xfs_ifork_init_attr(ip, XFS_DINODE_FMT_EXTENTS, 0);  in xfs_bmap_add_attrfork()
1036 	switch (ip->i_df.if_format) {  in xfs_bmap_add_attrfork()
1038 		error = xfs_bmap_add_attrfork_local(tp, ip, &logflags);  in xfs_bmap_add_attrfork()
1041 		error = xfs_bmap_add_attrfork_extents(tp, ip, &logflags);  in xfs_bmap_add_attrfork()
1044 		error = xfs_bmap_add_attrfork_btree(tp, ip, &logflags);  in xfs_bmap_add_attrfork()
1051 		xfs_trans_log_inode(tp, ip, logflags);  in xfs_bmap_add_attrfork()
1058 		spin_lock(&mp->m_sb_lock);  in xfs_bmap_add_attrfork()
1067 		spin_unlock(&mp->m_sb_lock);  in xfs_bmap_add_attrfork()
1073 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_bmap_add_attrfork()
1078 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_bmap_add_attrfork()
1093 	struct xfs_inode		*ip,  in xfs_bmap_complain_bad_rec()  argument
1098 	struct xfs_mount		*mp = ip->i_mount;  in xfs_bmap_complain_bad_rec()
1110 				ip->i_ino, forkname, fa);  in xfs_bmap_complain_bad_rec()
1112 		"Offset 0x%llx, start block 0x%llx, block count 0x%llx state 0x%x",  in xfs_bmap_complain_bad_rec()
1113 		irec->br_startoff, irec->br_startblock, irec->br_blockcount,  in xfs_bmap_complain_bad_rec()
1114 		irec->br_state);  in xfs_bmap_complain_bad_rec()
1116 	return -EFSCORRUPTED;  in xfs_bmap_complain_bad_rec()
1119 /* Stuff every bmbt record from this block into the incore extent map. */
1127 	struct xfs_mount	*mp = cur->bc_mp;  in xfs_iread_bmbt_block()
1128 	struct xfs_inode	*ip = cur->bc_ino.ip;  in xfs_iread_bmbt_block()  local
1129 	struct xfs_btree_block	*block;  in xfs_iread_bmbt_block()  local
1134 	int			whichfork = cur->bc_ino.whichfork;  in xfs_iread_bmbt_block()
1135 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iread_bmbt_block()
1137 	block = xfs_btree_get_block(cur, level, &bp);  in xfs_iread_bmbt_block()
1140 	num_recs = xfs_btree_get_numrecs(block);  in xfs_iread_bmbt_block()
1141 	if (unlikely(ir->loaded + num_recs > ifp->if_nextents)) {  in xfs_iread_bmbt_block()
1142 		xfs_warn(ip->i_mount, "corrupt dinode %llu, (btree extents).",  in xfs_iread_bmbt_block()
1143 				(unsigned long long)ip->i_ino);  in xfs_iread_bmbt_block()
1144 		xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, block,  in xfs_iread_bmbt_block()
1145 				sizeof(*block), __this_address);  in xfs_iread_bmbt_block()
1146 		return -EFSCORRUPTED;  in xfs_iread_bmbt_block()
1150 	frp = XFS_BMBT_REC_ADDR(mp, block, 1);  in xfs_iread_bmbt_block()
1151 	for (j = 0; j < num_recs; j++, frp++, ir->loaded++) {  in xfs_iread_bmbt_block()
1156 		fa = xfs_bmap_validate_extent(ip, whichfork, &new);  in xfs_iread_bmbt_block()
1158 			xfs_inode_verifier_error(ip, -EFSCORRUPTED,  in xfs_iread_bmbt_block()
1161 			return xfs_bmap_complain_bad_rec(ip, whichfork, fa,  in xfs_iread_bmbt_block()
1164 		xfs_iext_insert(ip, &ir->icur, &new,  in xfs_iread_bmbt_block()
1166 		trace_xfs_read_extent(ip, &ir->icur,  in xfs_iread_bmbt_block()
1168 		xfs_iext_next(ifp, &ir->icur);  in xfs_iread_bmbt_block()
1175  * Read in extents from a btree-format inode.
1180 	struct xfs_inode	*ip,  in xfs_iread_extents()  argument
1184 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_iread_extents()
1185 	struct xfs_mount	*mp = ip->i_mount;  in xfs_iread_extents()
1192 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));  in xfs_iread_extents()
1196 	cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in xfs_iread_extents()
1203 	if (XFS_IS_CORRUPT(mp, ir.loaded != ifp->if_nextents)) {  in xfs_iread_extents()
1204 		error = -EFSCORRUPTED;  in xfs_iread_extents()
1213 	smp_store_release(&ifp->if_needextents, 0);  in xfs_iread_extents()
1221  * Returns the relative block number of the first unused block(s) in the given
1223  * lowest-address hole if the fork has holes, else the first block past the end
1224  * of fork.  Return 0 if the fork is currently local (in-inode).
1229 	struct xfs_inode	*ip,		/* incore inode */  in xfs_bmap_first_unused()  argument
1231 	xfs_fileoff_t		*first_unused,	/* unused block */  in xfs_bmap_first_unused()
1234 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_first_unused()
1241 	if (ifp->if_format == XFS_DINODE_FMT_LOCAL) {  in xfs_bmap_first_unused()
1248 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmap_first_unused()
1258 		    got.br_startoff - max >= len)  in xfs_bmap_first_unused()
1269  * Returns the file-relative block number of the last block - 1 before
1277 	struct xfs_inode	*ip,		/* incore inode */  in xfs_bmap_last_before()  argument
1278 	xfs_fileoff_t		*last_block,	/* last block */  in xfs_bmap_last_before()
1281 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_last_before()
1286 	switch (ifp->if_format) {  in xfs_bmap_last_before()
1295 		return -EFSCORRUPTED;  in xfs_bmap_last_before()
1298 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmap_last_before()
1302 	if (!xfs_iext_lookup_extent_before(ip, ifp, last_block, &icur, &got))  in xfs_bmap_last_before()
1310 	struct xfs_inode	*ip,  in xfs_bmap_last_extent()  argument
1315 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_last_extent()
1319 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmap_last_extent()
1334  * blocks at the end of the file which do not start at the previous data block,
1337  * Returns 1 in bma->aeof if the file (fork) is empty as any new write will be
1349 	bma->aeof = false;  in xfs_bmap_isaeof()
1350 	error = xfs_bmap_last_extent(NULL, bma->ip, whichfork, &rec,  in xfs_bmap_isaeof()
1356 		bma->aeof = true;  in xfs_bmap_isaeof()
1364 	bma->aeof = bma->offset >= rec.br_startoff + rec.br_blockcount ||  in xfs_bmap_isaeof()
1365 		(bma->offset >= rec.br_startoff &&  in xfs_bmap_isaeof()
1371  * Returns the file-relative block number of the first block past eof in
1377 	struct xfs_inode	*ip,  in xfs_bmap_last_offset()  argument
1381 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_last_offset()
1388 	if (ifp->if_format == XFS_DINODE_FMT_LOCAL)  in xfs_bmap_last_offset()
1391 	if (XFS_IS_CORRUPT(ip->i_mount, !xfs_ifork_has_extents(ifp)))  in xfs_bmap_last_offset()
1392 		return -EFSCORRUPTED;  in xfs_bmap_last_offset()
1394 	error = xfs_bmap_last_extent(NULL, ip, whichfork, &rec, &is_empty);  in xfs_bmap_last_offset()
1414 	struct xfs_mount	*mp = bma->ip->i_mount;  in xfs_bmap_add_extent_delay_real()
1415 	struct xfs_ifork	*ifp = xfs_ifork_ptr(bma->ip, whichfork);  in xfs_bmap_add_extent_delay_real()
1416 	struct xfs_bmbt_irec	*new = &bma->got;  in xfs_bmap_add_extent_delay_real()
1431 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_delay_real()
1432 	ASSERT(!bma->cur ||  in xfs_bmap_add_extent_delay_real()
1433 	       (bma->cur->bc_ino.flags & XFS_BTCUR_BMBT_WASDEL));  in xfs_bmap_add_extent_delay_real()
1444 	xfs_iext_get_extent(ifp, &bma->icur, &PREV);  in xfs_bmap_add_extent_delay_real()
1445 	new_endoff = new->br_startoff + new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1447 	ASSERT(PREV.br_startoff <= new->br_startoff);  in xfs_bmap_add_extent_delay_real()
1457 	if (PREV.br_startoff == new->br_startoff)  in xfs_bmap_add_extent_delay_real()
1466 	if (xfs_iext_peek_prev_extent(ifp, &bma->icur, &LEFT)) {  in xfs_bmap_add_extent_delay_real()
1473 	    LEFT.br_startoff + LEFT.br_blockcount == new->br_startoff &&  in xfs_bmap_add_extent_delay_real()
1474 	    LEFT.br_startblock + LEFT.br_blockcount == new->br_startblock &&  in xfs_bmap_add_extent_delay_real()
1475 	    LEFT.br_state == new->br_state &&  in xfs_bmap_add_extent_delay_real()
1476 	    LEFT.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)  in xfs_bmap_add_extent_delay_real()
1482 	 * Also check for all-three-contiguous being too large.  in xfs_bmap_add_extent_delay_real()
1484 	if (xfs_iext_peek_next_extent(ifp, &bma->icur, &RIGHT)) {  in xfs_bmap_add_extent_delay_real()
1492 	    new->br_startblock + new->br_blockcount == RIGHT.br_startblock &&  in xfs_bmap_add_extent_delay_real()
1493 	    new->br_state == RIGHT.br_state &&  in xfs_bmap_add_extent_delay_real()
1494 	    new->br_blockcount + RIGHT.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&  in xfs_bmap_add_extent_delay_real()
1499 	     LEFT.br_blockcount + new->br_blockcount + RIGHT.br_blockcount  in xfs_bmap_add_extent_delay_real()
1517 		xfs_iext_remove(bma->ip, &bma->icur, state);  in xfs_bmap_add_extent_delay_real()
1518 		xfs_iext_remove(bma->ip, &bma->icur, state);  in xfs_bmap_add_extent_delay_real()
1519 		xfs_iext_prev(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1520 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &LEFT);  in xfs_bmap_add_extent_delay_real()
1521 		ifp->if_nextents--;  in xfs_bmap_add_extent_delay_real()
1523 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1527 			error = xfs_bmbt_lookup_eq(bma->cur, &RIGHT, &i);  in xfs_bmap_add_extent_delay_real()
1531 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1534 			error = xfs_btree_delete(bma->cur, &i);  in xfs_bmap_add_extent_delay_real()
1538 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1541 			error = xfs_btree_decrement(bma->cur, 0, &i);  in xfs_bmap_add_extent_delay_real()
1545 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1548 			error = xfs_bmbt_update(bma->cur, &LEFT);  in xfs_bmap_add_extent_delay_real()
1562 		xfs_iext_remove(bma->ip, &bma->icur, state);  in xfs_bmap_add_extent_delay_real()
1563 		xfs_iext_prev(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1564 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &LEFT);  in xfs_bmap_add_extent_delay_real()
1566 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1570 			error = xfs_bmbt_lookup_eq(bma->cur, &old, &i);  in xfs_bmap_add_extent_delay_real()
1574 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1577 			error = xfs_bmbt_update(bma->cur, &LEFT);  in xfs_bmap_add_extent_delay_real()
1587 		 * with delay -> unwritten extent allocation here because the  in xfs_bmap_add_extent_delay_real()
1590 		PREV.br_startblock = new->br_startblock;  in xfs_bmap_add_extent_delay_real()
1592 		PREV.br_state = new->br_state;  in xfs_bmap_add_extent_delay_real()
1594 		xfs_iext_next(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1595 		xfs_iext_remove(bma->ip, &bma->icur, state);  in xfs_bmap_add_extent_delay_real()
1596 		xfs_iext_prev(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1597 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &PREV);  in xfs_bmap_add_extent_delay_real()
1599 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1603 			error = xfs_bmbt_lookup_eq(bma->cur, &RIGHT, &i);  in xfs_bmap_add_extent_delay_real()
1607 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1610 			error = xfs_bmbt_update(bma->cur, &PREV);  in xfs_bmap_add_extent_delay_real()
1622 		PREV.br_startblock = new->br_startblock;  in xfs_bmap_add_extent_delay_real()
1623 		PREV.br_state = new->br_state;  in xfs_bmap_add_extent_delay_real()
1624 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &PREV);  in xfs_bmap_add_extent_delay_real()
1625 		ifp->if_nextents++;  in xfs_bmap_add_extent_delay_real()
1627 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1631 			error = xfs_bmbt_lookup_eq(bma->cur, new, &i);  in xfs_bmap_add_extent_delay_real()
1635 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1638 			error = xfs_btree_insert(bma->cur, &i);  in xfs_bmap_add_extent_delay_real()
1642 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1654 		temp = PREV.br_blockcount - new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1655 		da_new = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(bma->ip, temp),  in xfs_bmap_add_extent_delay_real()
1658 		LEFT.br_blockcount += new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1661 		PREV.br_startoff += new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1664 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &PREV);  in xfs_bmap_add_extent_delay_real()
1665 		xfs_iext_prev(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1666 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &LEFT);  in xfs_bmap_add_extent_delay_real()
1668 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1672 			error = xfs_bmbt_lookup_eq(bma->cur, &old, &i);  in xfs_bmap_add_extent_delay_real()
1676 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1679 			error = xfs_bmbt_update(bma->cur, &LEFT);  in xfs_bmap_add_extent_delay_real()
1690 		xfs_iext_update_extent(bma->ip, state, &bma->icur, new);  in xfs_bmap_add_extent_delay_real()
1691 		ifp->if_nextents++;  in xfs_bmap_add_extent_delay_real()
1693 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1697 			error = xfs_bmbt_lookup_eq(bma->cur, new, &i);  in xfs_bmap_add_extent_delay_real()
1701 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1704 			error = xfs_btree_insert(bma->cur, &i);  in xfs_bmap_add_extent_delay_real()
1708 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1713 		if (xfs_bmap_needs_btree(bma->ip, whichfork)) {  in xfs_bmap_add_extent_delay_real()
1714 			error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,  in xfs_bmap_add_extent_delay_real()
1715 					&bma->cur, 1, &tmp_rval, whichfork);  in xfs_bmap_add_extent_delay_real()
1721 		temp = PREV.br_blockcount - new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1722 		da_new = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(bma->ip, temp),  in xfs_bmap_add_extent_delay_real()
1723 			startblockval(PREV.br_startblock) -  in xfs_bmap_add_extent_delay_real()
1724 			(bma->cur ? bma->cur->bc_ino.allocated : 0));  in xfs_bmap_add_extent_delay_real()
1729 		xfs_iext_next(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1730 		xfs_iext_insert(bma->ip, &bma->icur, &PREV, state);  in xfs_bmap_add_extent_delay_real()
1731 		xfs_iext_prev(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1740 		RIGHT.br_startoff = new->br_startoff;  in xfs_bmap_add_extent_delay_real()
1741 		RIGHT.br_startblock = new->br_startblock;  in xfs_bmap_add_extent_delay_real()
1742 		RIGHT.br_blockcount += new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1744 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1748 			error = xfs_bmbt_lookup_eq(bma->cur, &old, &i);  in xfs_bmap_add_extent_delay_real()
1752 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1755 			error = xfs_bmbt_update(bma->cur, &RIGHT);  in xfs_bmap_add_extent_delay_real()
1760 		temp = PREV.br_blockcount - new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1761 		da_new = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(bma->ip, temp),  in xfs_bmap_add_extent_delay_real()
1767 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &PREV);  in xfs_bmap_add_extent_delay_real()
1768 		xfs_iext_next(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1769 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &RIGHT);  in xfs_bmap_add_extent_delay_real()
1777 		xfs_iext_update_extent(bma->ip, state, &bma->icur, new);  in xfs_bmap_add_extent_delay_real()
1778 		ifp->if_nextents++;  in xfs_bmap_add_extent_delay_real()
1780 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1784 			error = xfs_bmbt_lookup_eq(bma->cur, new, &i);  in xfs_bmap_add_extent_delay_real()
1788 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1791 			error = xfs_btree_insert(bma->cur, &i);  in xfs_bmap_add_extent_delay_real()
1795 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1800 		if (xfs_bmap_needs_btree(bma->ip, whichfork)) {  in xfs_bmap_add_extent_delay_real()
1801 			error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,  in xfs_bmap_add_extent_delay_real()
1802 				&bma->cur, 1, &tmp_rval, whichfork);  in xfs_bmap_add_extent_delay_real()
1808 		temp = PREV.br_blockcount - new->br_blockcount;  in xfs_bmap_add_extent_delay_real()
1809 		da_new = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(bma->ip, temp),  in xfs_bmap_add_extent_delay_real()
1810 			startblockval(PREV.br_startblock) -  in xfs_bmap_add_extent_delay_real()
1811 			(bma->cur ? bma->cur->bc_ino.allocated : 0));  in xfs_bmap_add_extent_delay_real()
1815 		xfs_iext_insert(bma->ip, &bma->icur, &PREV, state);  in xfs_bmap_add_extent_delay_real()
1816 		xfs_iext_next(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1849 			PREV.br_startoff + PREV.br_blockcount - new_endoff;  in xfs_bmap_add_extent_delay_real()
1851 			nullstartblock(xfs_bmap_worst_indlen(bma->ip,  in xfs_bmap_add_extent_delay_real()
1855 		PREV.br_blockcount = new->br_startoff - PREV.br_startoff;  in xfs_bmap_add_extent_delay_real()
1857 			nullstartblock(xfs_bmap_worst_indlen(bma->ip,  in xfs_bmap_add_extent_delay_real()
1859 		xfs_iext_update_extent(bma->ip, state, &bma->icur, &PREV);  in xfs_bmap_add_extent_delay_real()
1861 		xfs_iext_next(ifp, &bma->icur);  in xfs_bmap_add_extent_delay_real()
1862 		xfs_iext_insert(bma->ip, &bma->icur, &RIGHT, state);  in xfs_bmap_add_extent_delay_real()
1863 		xfs_iext_insert(bma->ip, &bma->icur, &LEFT, state);  in xfs_bmap_add_extent_delay_real()
1864 		ifp->if_nextents++;  in xfs_bmap_add_extent_delay_real()
1866 		if (bma->cur == NULL)  in xfs_bmap_add_extent_delay_real()
1870 			error = xfs_bmbt_lookup_eq(bma->cur, new, &i);  in xfs_bmap_add_extent_delay_real()
1874 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1877 			error = xfs_btree_insert(bma->cur, &i);  in xfs_bmap_add_extent_delay_real()
1881 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_delay_real()
1886 		if (xfs_bmap_needs_btree(bma->ip, whichfork)) {  in xfs_bmap_add_extent_delay_real()
1887 			error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,  in xfs_bmap_add_extent_delay_real()
1888 					&bma->cur, 1, &tmp_rval, whichfork);  in xfs_bmap_add_extent_delay_real()
1912 	if (!(bma->flags & XFS_BMAPI_NORMAP))  in xfs_bmap_add_extent_delay_real()
1913 		xfs_rmap_map_extent(bma->tp, bma->ip, whichfork, new);  in xfs_bmap_add_extent_delay_real()
1916 	if (xfs_bmap_needs_btree(bma->ip, whichfork)) {  in xfs_bmap_add_extent_delay_real()
1919 		ASSERT(bma->cur == NULL);  in xfs_bmap_add_extent_delay_real()
1920 		error = xfs_bmap_extents_to_btree(bma->tp, bma->ip,  in xfs_bmap_add_extent_delay_real()
1921 				&bma->cur, da_old > 0, &tmp_logflags,  in xfs_bmap_add_extent_delay_real()
1923 		bma->logflags |= tmp_logflags;  in xfs_bmap_add_extent_delay_real()
1929 		xfs_mod_delalloc(mp, (int64_t)da_new - da_old);  in xfs_bmap_add_extent_delay_real()
1931 	if (bma->cur) {  in xfs_bmap_add_extent_delay_real()
1932 		da_new += bma->cur->bc_ino.allocated;  in xfs_bmap_add_extent_delay_real()
1933 		bma->cur->bc_ino.allocated = 0;  in xfs_bmap_add_extent_delay_real()
1939 		error = xfs_mod_fdblocks(mp, (int64_t)(da_old - da_new),  in xfs_bmap_add_extent_delay_real()
1943 	xfs_bmap_check_leaf_extents(bma->cur, bma->ip, whichfork);  in xfs_bmap_add_extent_delay_real()
1946 		bma->logflags |= rval;  in xfs_bmap_add_extent_delay_real()
1959 	xfs_inode_t		*ip,	/* incore inode pointer */  in xfs_bmap_add_extent_unwritten_real()  argument
1975 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_add_extent_unwritten_real()
1981 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_add_extent_unwritten_real()
1983 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_unwritten_real()
1996 	ASSERT(new->br_state != PREV.br_state);  in xfs_bmap_add_extent_unwritten_real()
1997 	new_endoff = new->br_startoff + new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
1998 	ASSERT(PREV.br_startoff <= new->br_startoff);  in xfs_bmap_add_extent_unwritten_real()
2005 	if (PREV.br_startoff == new->br_startoff)  in xfs_bmap_add_extent_unwritten_real()
2021 	    LEFT.br_startoff + LEFT.br_blockcount == new->br_startoff &&  in xfs_bmap_add_extent_unwritten_real()
2022 	    LEFT.br_startblock + LEFT.br_blockcount == new->br_startblock &&  in xfs_bmap_add_extent_unwritten_real()
2023 	    LEFT.br_state == new->br_state &&  in xfs_bmap_add_extent_unwritten_real()
2024 	    LEFT.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)  in xfs_bmap_add_extent_unwritten_real()
2030 	 * Also check for all-three-contiguous being too large.  in xfs_bmap_add_extent_unwritten_real()
2040 	    new->br_startblock + new->br_blockcount == RIGHT.br_startblock &&  in xfs_bmap_add_extent_unwritten_real()
2041 	    new->br_state == RIGHT.br_state &&  in xfs_bmap_add_extent_unwritten_real()
2042 	    new->br_blockcount + RIGHT.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&  in xfs_bmap_add_extent_unwritten_real()
2047 	     LEFT.br_blockcount + new->br_blockcount + RIGHT.br_blockcount  in xfs_bmap_add_extent_unwritten_real()
2064 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_add_extent_unwritten_real()
2065 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_add_extent_unwritten_real()
2067 		xfs_iext_update_extent(ip, state, icur, &LEFT);  in xfs_bmap_add_extent_unwritten_real()
2068 		ifp->if_nextents -= 2;  in xfs_bmap_add_extent_unwritten_real()
2077 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2083 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2089 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2095 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2101 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2117 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_add_extent_unwritten_real()
2119 		xfs_iext_update_extent(ip, state, icur, &LEFT);  in xfs_bmap_add_extent_unwritten_real()
2120 		ifp->if_nextents--;  in xfs_bmap_add_extent_unwritten_real()
2129 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2135 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2141 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2156 		PREV.br_state = new->br_state;  in xfs_bmap_add_extent_unwritten_real()
2159 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_add_extent_unwritten_real()
2161 		xfs_iext_update_extent(ip, state, icur, &PREV);  in xfs_bmap_add_extent_unwritten_real()
2162 		ifp->if_nextents--;  in xfs_bmap_add_extent_unwritten_real()
2172 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2178 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2184 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2199 		PREV.br_state = new->br_state;  in xfs_bmap_add_extent_unwritten_real()
2200 		xfs_iext_update_extent(ip, state, icur, &PREV);  in xfs_bmap_add_extent_unwritten_real()
2210 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2224 		LEFT.br_blockcount += new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2227 		PREV.br_startoff += new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2228 		PREV.br_startblock += new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2229 		PREV.br_blockcount -= new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2231 		xfs_iext_update_extent(ip, state, icur, &PREV);  in xfs_bmap_add_extent_unwritten_real()
2233 		xfs_iext_update_extent(ip, state, icur, &LEFT);  in xfs_bmap_add_extent_unwritten_real()
2243 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2264 		PREV.br_startoff += new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2265 		PREV.br_startblock += new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2266 		PREV.br_blockcount -= new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2268 		xfs_iext_update_extent(ip, state, icur, &PREV);  in xfs_bmap_add_extent_unwritten_real()
2269 		xfs_iext_insert(ip, icur, new, state);  in xfs_bmap_add_extent_unwritten_real()
2270 		ifp->if_nextents++;  in xfs_bmap_add_extent_unwritten_real()
2280 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2286 			cur->bc_rec.b = *new;  in xfs_bmap_add_extent_unwritten_real()
2290 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2302 		PREV.br_blockcount -= new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2304 		RIGHT.br_startoff = new->br_startoff;  in xfs_bmap_add_extent_unwritten_real()
2305 		RIGHT.br_startblock = new->br_startblock;  in xfs_bmap_add_extent_unwritten_real()
2306 		RIGHT.br_blockcount += new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2308 		xfs_iext_update_extent(ip, state, icur, &PREV);  in xfs_bmap_add_extent_unwritten_real()
2310 		xfs_iext_update_extent(ip, state, icur, &RIGHT);  in xfs_bmap_add_extent_unwritten_real()
2320 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2341 		PREV.br_blockcount -= new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2343 		xfs_iext_update_extent(ip, state, icur, &PREV);  in xfs_bmap_add_extent_unwritten_real()
2345 		xfs_iext_insert(ip, icur, new, state);  in xfs_bmap_add_extent_unwritten_real()
2346 		ifp->if_nextents++;  in xfs_bmap_add_extent_unwritten_real()
2356 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2366 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2372 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2385 		PREV.br_blockcount = new->br_startoff - PREV.br_startoff;  in xfs_bmap_add_extent_unwritten_real()
2390 			old.br_startoff + old.br_blockcount - new_endoff;  in xfs_bmap_add_extent_unwritten_real()
2391 		r[1].br_startblock = new->br_startblock + new->br_blockcount;  in xfs_bmap_add_extent_unwritten_real()
2394 		xfs_iext_update_extent(ip, state, icur, &PREV);  in xfs_bmap_add_extent_unwritten_real()
2396 		xfs_iext_insert(ip, icur, &r[1], state);  in xfs_bmap_add_extent_unwritten_real()
2397 		xfs_iext_insert(ip, icur, &r[0], state);  in xfs_bmap_add_extent_unwritten_real()
2398 		ifp->if_nextents += 2;  in xfs_bmap_add_extent_unwritten_real()
2408 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2411 			/* new right extent - oldext */  in xfs_bmap_add_extent_unwritten_real()
2415 			/* new left extent - oldext */  in xfs_bmap_add_extent_unwritten_real()
2416 			cur->bc_rec.b = PREV;  in xfs_bmap_add_extent_unwritten_real()
2420 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2432 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2435 			/* new middle extent - newext */  in xfs_bmap_add_extent_unwritten_real()
2439 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_unwritten_real()
2459 	xfs_rmap_convert_extent(mp, tp, ip, whichfork, new);  in xfs_bmap_add_extent_unwritten_real()
2462 	if (xfs_bmap_needs_btree(ip, whichfork)) {  in xfs_bmap_add_extent_unwritten_real()
2466 		error = xfs_bmap_extents_to_btree(tp, ip, &cur, 0,  in xfs_bmap_add_extent_unwritten_real()
2475 		cur->bc_ino.allocated = 0;  in xfs_bmap_add_extent_unwritten_real()
2479 	xfs_bmap_check_leaf_extents(*curp, ip, whichfork);  in xfs_bmap_add_extent_unwritten_real()
2493 	xfs_inode_t		*ip,	/* incore inode pointer */  in xfs_bmap_add_extent_hole_delay()  argument
2506 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_add_extent_hole_delay()
2507 	ASSERT(isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_delay()
2520 	 * If it doesn't exist, we're converting the hole at end-of-file.  in xfs_bmap_add_extent_hole_delay()
2533 	    left.br_startoff + left.br_blockcount == new->br_startoff &&  in xfs_bmap_add_extent_hole_delay()
2534 	    left.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)  in xfs_bmap_add_extent_hole_delay()
2538 	    new->br_startoff + new->br_blockcount == right.br_startoff &&  in xfs_bmap_add_extent_hole_delay()
2539 	    new->br_blockcount + right.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&  in xfs_bmap_add_extent_hole_delay()
2541 	     (left.br_blockcount + new->br_blockcount +  in xfs_bmap_add_extent_hole_delay()
2555 		temp = left.br_blockcount + new->br_blockcount +  in xfs_bmap_add_extent_hole_delay()
2559 			startblockval(new->br_startblock) +  in xfs_bmap_add_extent_hole_delay()
2561 		newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),  in xfs_bmap_add_extent_hole_delay()
2566 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_add_extent_hole_delay()
2568 		xfs_iext_update_extent(ip, state, icur, &left);  in xfs_bmap_add_extent_hole_delay()
2577 		temp = left.br_blockcount + new->br_blockcount;  in xfs_bmap_add_extent_hole_delay()
2580 			startblockval(new->br_startblock);  in xfs_bmap_add_extent_hole_delay()
2581 		newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),  in xfs_bmap_add_extent_hole_delay()
2587 		xfs_iext_update_extent(ip, state, icur, &left);  in xfs_bmap_add_extent_hole_delay()
2596 		temp = new->br_blockcount + right.br_blockcount;  in xfs_bmap_add_extent_hole_delay()
2597 		oldlen = startblockval(new->br_startblock) +  in xfs_bmap_add_extent_hole_delay()
2599 		newlen = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip, temp),  in xfs_bmap_add_extent_hole_delay()
2601 		right.br_startoff = new->br_startoff;  in xfs_bmap_add_extent_hole_delay()
2604 		xfs_iext_update_extent(ip, state, icur, &right);  in xfs_bmap_add_extent_hole_delay()
2614 		xfs_iext_insert(ip, icur, new, state);  in xfs_bmap_add_extent_hole_delay()
2619 		xfs_mod_fdblocks(ip->i_mount, (int64_t)(oldlen - newlen),  in xfs_bmap_add_extent_hole_delay()
2624 		xfs_mod_delalloc(ip->i_mount, (int64_t)newlen - oldlen);  in xfs_bmap_add_extent_hole_delay()
2634 	struct xfs_inode	*ip,  in xfs_bmap_add_extent_hole_real()  argument
2642 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_add_extent_hole_real()
2643 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_add_extent_hole_real()
2653 	ASSERT(!isnullstartblock(new->br_startblock));  in xfs_bmap_add_extent_hole_real()
2654 	ASSERT(!cur || !(cur->bc_ino.flags & XFS_BTCUR_BMBT_WASDEL));  in xfs_bmap_add_extent_hole_real()
2682 	    left.br_startoff + left.br_blockcount == new->br_startoff &&  in xfs_bmap_add_extent_hole_real()
2683 	    left.br_startblock + left.br_blockcount == new->br_startblock &&  in xfs_bmap_add_extent_hole_real()
2684 	    left.br_state == new->br_state &&  in xfs_bmap_add_extent_hole_real()
2685 	    left.br_blockcount + new->br_blockcount <= XFS_MAX_BMBT_EXTLEN)  in xfs_bmap_add_extent_hole_real()
2689 	    new->br_startoff + new->br_blockcount == right.br_startoff &&  in xfs_bmap_add_extent_hole_real()
2690 	    new->br_startblock + new->br_blockcount == right.br_startblock &&  in xfs_bmap_add_extent_hole_real()
2691 	    new->br_state == right.br_state &&  in xfs_bmap_add_extent_hole_real()
2692 	    new->br_blockcount + right.br_blockcount <= XFS_MAX_BMBT_EXTLEN &&  in xfs_bmap_add_extent_hole_real()
2694 	     left.br_blockcount + new->br_blockcount +  in xfs_bmap_add_extent_hole_real()
2709 		left.br_blockcount += new->br_blockcount + right.br_blockcount;  in xfs_bmap_add_extent_hole_real()
2711 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_add_extent_hole_real()
2713 		xfs_iext_update_extent(ip, state, icur, &left);  in xfs_bmap_add_extent_hole_real()
2714 		ifp->if_nextents--;  in xfs_bmap_add_extent_hole_real()
2724 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_hole_real()
2731 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_hole_real()
2738 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_hole_real()
2754 		left.br_blockcount += new->br_blockcount;  in xfs_bmap_add_extent_hole_real()
2757 		xfs_iext_update_extent(ip, state, icur, &left);  in xfs_bmap_add_extent_hole_real()
2767 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_hole_real()
2784 		right.br_startoff = new->br_startoff;  in xfs_bmap_add_extent_hole_real()
2785 		right.br_startblock = new->br_startblock;  in xfs_bmap_add_extent_hole_real()
2786 		right.br_blockcount += new->br_blockcount;  in xfs_bmap_add_extent_hole_real()
2787 		xfs_iext_update_extent(ip, state, icur, &right);  in xfs_bmap_add_extent_hole_real()
2797 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_hole_real()
2812 		xfs_iext_insert(ip, icur, new, state);  in xfs_bmap_add_extent_hole_real()
2813 		ifp->if_nextents++;  in xfs_bmap_add_extent_hole_real()
2823 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_hole_real()
2830 				error = -EFSCORRUPTED;  in xfs_bmap_add_extent_hole_real()
2839 		xfs_rmap_map_extent(tp, ip, whichfork, new);  in xfs_bmap_add_extent_hole_real()
2842 	if (xfs_bmap_needs_btree(ip, whichfork)) {  in xfs_bmap_add_extent_hole_real()
2846 		error = xfs_bmap_extents_to_btree(tp, ip, curp, 0,  in xfs_bmap_add_extent_hole_real()
2856 		cur->bc_ino.allocated = 0;  in xfs_bmap_add_extent_hole_real()
2858 	xfs_bmap_check_leaf_extents(cur, ip, whichfork);  in xfs_bmap_add_extent_hole_real()
2878 	int		eof,		/* is extent at end-of-file? */  in xfs_bmap_extsize_align()
2905 	    (orig_off >= gotp->br_startoff) &&  in xfs_bmap_extsize_align()
2906 	    (orig_end <= gotp->br_startoff + gotp->br_blockcount)) {  in xfs_bmap_extsize_align()
2920 		align_off -= temp;  in xfs_bmap_extsize_align()
2926 		align_alen += extsz - temp;  in xfs_bmap_extsize_align()
2937 		align_alen -= extsz;  in xfs_bmap_extsize_align()
2941 	 * If the previous block overlaps with this proposed allocation  in xfs_bmap_extsize_align()
2944 	if (prevp->br_startoff != NULLFILEOFF) {  in xfs_bmap_extsize_align()
2945 		if (prevp->br_startblock == HOLESTARTBLOCK)  in xfs_bmap_extsize_align()
2946 			prevo = prevp->br_startoff;  in xfs_bmap_extsize_align()
2948 			prevo = prevp->br_startoff + prevp->br_blockcount;  in xfs_bmap_extsize_align()
2954 	 * If the next block overlaps with this proposed allocation  in xfs_bmap_extsize_align()
2957 	 * This may of course make the start overlap previous block,  in xfs_bmap_extsize_align()
2958 	 * and if we hit the offset 0 limit then the next block  in xfs_bmap_extsize_align()
2961 	if (!eof && gotp->br_startoff != NULLFILEOFF) {  in xfs_bmap_extsize_align()
2962 		if ((delay && gotp->br_startblock == HOLESTARTBLOCK) ||  in xfs_bmap_extsize_align()
2963 		    (!delay && gotp->br_startblock == DELAYSTARTBLOCK))  in xfs_bmap_extsize_align()
2964 			nexto = gotp->br_startoff + gotp->br_blockcount;  in xfs_bmap_extsize_align()
2966 			nexto = gotp->br_startoff;  in xfs_bmap_extsize_align()
2972 		align_off = nexto > align_alen ? nexto - align_alen : 0;  in xfs_bmap_extsize_align()
2985 		align_alen = nexto - align_off;  in xfs_bmap_extsize_align()
2992 	if (rt && (temp = (align_alen % mp->m_sb.sb_rextsize))) {  in xfs_bmap_extsize_align()
2999 		    align_alen - temp < orig_alen)  in xfs_bmap_extsize_align()
3000 			return -EINVAL;  in xfs_bmap_extsize_align()
3005 			align_alen -= temp;  in xfs_bmap_extsize_align()
3011 		else if (align_off + align_alen - temp >= orig_end)  in xfs_bmap_extsize_align()
3012 			align_alen -= temp;  in xfs_bmap_extsize_align()
3017 			align_alen -= orig_off - align_off;  in xfs_bmap_extsize_align()
3019 			align_alen -= align_alen % mp->m_sb.sb_rextsize;  in xfs_bmap_extsize_align()
3025 			return -EINVAL;  in xfs_bmap_extsize_align()
3034 	if (!eof && gotp->br_startoff != NULLFILEOFF)  in xfs_bmap_extsize_align()
3035 		ASSERT(align_off + align_alen <= gotp->br_startoff);  in xfs_bmap_extsize_align()
3036 	if (prevp->br_startoff != NULLFILEOFF)  in xfs_bmap_extsize_align()
3037 		ASSERT(align_off >= prevp->br_startoff + prevp->br_blockcount);  in xfs_bmap_extsize_align()
3051 	xfs_fsblock_t	adjust;		/* adjustment to block numbers */  in xfs_bmap_adjacent()
3057 		(x) < mp->m_sb.sb_rblocks : \  in xfs_bmap_adjacent()
3059 		XFS_FSB_TO_AGNO(mp, x) < mp->m_sb.sb_agcount && \  in xfs_bmap_adjacent()
3060 		XFS_FSB_TO_AGBNO(mp, x) < mp->m_sb.sb_agblocks)  in xfs_bmap_adjacent()
3062 	mp = ap->ip->i_mount;  in xfs_bmap_adjacent()
3063 	rt = XFS_IS_REALTIME_INODE(ap->ip) &&  in xfs_bmap_adjacent()
3064 		(ap->datatype & XFS_ALLOC_USERDATA);  in xfs_bmap_adjacent()
3066 	 * If allocating at eof, and there's a previous real block,  in xfs_bmap_adjacent()
3067 	 * try to use its last block as our starting point.  in xfs_bmap_adjacent()
3069 	if (ap->eof && ap->prev.br_startoff != NULLFILEOFF &&  in xfs_bmap_adjacent()
3070 	    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3071 	    ISVALID(ap->prev.br_startblock + ap->prev.br_blockcount,  in xfs_bmap_adjacent()
3072 		    ap->prev.br_startblock)) {  in xfs_bmap_adjacent()
3073 		ap->blkno = ap->prev.br_startblock + ap->prev.br_blockcount;  in xfs_bmap_adjacent()
3077 		adjust = ap->offset -  in xfs_bmap_adjacent()
3078 			(ap->prev.br_startoff + ap->prev.br_blockcount);  in xfs_bmap_adjacent()
3080 		    ISVALID(ap->blkno + adjust, ap->prev.br_startblock))  in xfs_bmap_adjacent()
3081 			ap->blkno += adjust;  in xfs_bmap_adjacent()
3088 	else if (!ap->eof) {  in xfs_bmap_adjacent()
3089 		xfs_fsblock_t	gotbno;		/* right side block number */  in xfs_bmap_adjacent()
3091 		xfs_fsblock_t	prevbno;	/* left side block number */  in xfs_bmap_adjacent()
3095 		 * If there's a previous (left) block, select a requested  in xfs_bmap_adjacent()
3096 		 * start block based on it.  in xfs_bmap_adjacent()
3098 		if (ap->prev.br_startoff != NULLFILEOFF &&  in xfs_bmap_adjacent()
3099 		    !isnullstartblock(ap->prev.br_startblock) &&  in xfs_bmap_adjacent()
3100 		    (prevbno = ap->prev.br_startblock +  in xfs_bmap_adjacent()
3101 			       ap->prev.br_blockcount) &&  in xfs_bmap_adjacent()
3102 		    ISVALID(prevbno, ap->prev.br_startblock)) {  in xfs_bmap_adjacent()
3104 			 * Calculate gap to end of previous block.  in xfs_bmap_adjacent()
3106 			adjust = prevdiff = ap->offset -  in xfs_bmap_adjacent()
3107 				(ap->prev.br_startoff +  in xfs_bmap_adjacent()
3108 				 ap->prev.br_blockcount);  in xfs_bmap_adjacent()
3110 			 * Figure the startblock based on the previous block's  in xfs_bmap_adjacent()
3114 			 * allocating, or using it gives us an invalid block  in xfs_bmap_adjacent()
3115 			 * number, then just use the end of the previous block.  in xfs_bmap_adjacent()
3117 			if (prevdiff <= XFS_ALLOC_GAP_UNITS * ap->length &&  in xfs_bmap_adjacent()
3119 				    ap->prev.br_startblock))  in xfs_bmap_adjacent()
3125 		 * No previous block or can't follow it, just default.  in xfs_bmap_adjacent()
3130 		 * If there's a following (right) block, select a requested  in xfs_bmap_adjacent()
3131 		 * start block based on it.  in xfs_bmap_adjacent()
3133 		if (!isnullstartblock(ap->got.br_startblock)) {  in xfs_bmap_adjacent()
3135 			 * Calculate gap to start of next block.  in xfs_bmap_adjacent()
3137 			adjust = gotdiff = ap->got.br_startoff - ap->offset;  in xfs_bmap_adjacent()
3139 			 * Figure the startblock based on the next block's  in xfs_bmap_adjacent()
3142 			gotbno = ap->got.br_startblock;  in xfs_bmap_adjacent()
3146 			 * allocating, or using it gives us an invalid block  in xfs_bmap_adjacent()
3147 			 * number, then just use the start of the next block  in xfs_bmap_adjacent()
3150 			if (gotdiff <= XFS_ALLOC_GAP_UNITS * ap->length &&  in xfs_bmap_adjacent()
3151 			    ISVALID(gotbno - gotdiff, gotbno))  in xfs_bmap_adjacent()
3152 				gotbno -= adjust;  in xfs_bmap_adjacent()
3153 			else if (ISVALID(gotbno - ap->length, gotbno)) {  in xfs_bmap_adjacent()
3154 				gotbno -= ap->length;  in xfs_bmap_adjacent()
3155 				gotdiff += adjust - ap->length;  in xfs_bmap_adjacent()
3160 		 * No next block, just default.  in xfs_bmap_adjacent()
3166 		 * one, else ap->blkno is already set (to 0 or the inode block).  in xfs_bmap_adjacent()
3169 			ap->blkno = prevdiff <= gotdiff ? prevbno : gotbno;  in xfs_bmap_adjacent()
3171 			ap->blkno = prevbno;  in xfs_bmap_adjacent()
3173 			ap->blkno = gotbno;  in xfs_bmap_adjacent()
3195 				xfs_alloc_min_freelist(pag->pag_mount, pag),  in xfs_bmap_longest_free_extent()
3214 	if (blen < ap->minlen)  in xfs_bmap_select_minlen()
3215 		return ap->minlen;  in xfs_bmap_select_minlen()
3222 	if (blen < args->maxlen)  in xfs_bmap_select_minlen()
3224 	return args->maxlen;  in xfs_bmap_select_minlen()
3233 	struct xfs_mount	*mp = args->mp;  in xfs_bmap_btalloc_select_lengths()
3238 	if (ap->tp->t_flags & XFS_TRANS_LOWMODE) {  in xfs_bmap_btalloc_select_lengths()
3239 		args->total = ap->minlen;  in xfs_bmap_btalloc_select_lengths()
3240 		args->minlen = ap->minlen;  in xfs_bmap_btalloc_select_lengths()
3244 	args->total = ap->total;  in xfs_bmap_btalloc_select_lengths()
3245 	startag = XFS_FSB_TO_AGNO(mp, ap->blkno);  in xfs_bmap_btalloc_select_lengths()
3251 		error = xfs_bmap_longest_free_extent(pag, args->tp, blen);  in xfs_bmap_btalloc_select_lengths()
3252 		if (error && error != -EAGAIN)  in xfs_bmap_btalloc_select_lengths()
3255 		if (*blen >= args->maxlen)  in xfs_bmap_btalloc_select_lengths()
3261 	args->minlen = xfs_bmap_select_minlen(ap, args, *blen);  in xfs_bmap_btalloc_select_lengths()
3271 	if (ap->flags & XFS_BMAPI_COWFORK) {  in xfs_bmap_btalloc_accounting()
3273 		 * COW fork blocks are in-core only and thus are treated as  in xfs_bmap_btalloc_accounting()
3274 		 * in-core quota reservation (like delalloc blocks) even when  in xfs_bmap_btalloc_accounting()
3281 		if (ap->wasdel) {  in xfs_bmap_btalloc_accounting()
3282 			xfs_mod_delalloc(ap->ip->i_mount, -(int64_t)args->len);  in xfs_bmap_btalloc_accounting()
3288 		 * has acquired in-core quota reservation for this extent.  in xfs_bmap_btalloc_accounting()
3294 		ap->ip->i_delayed_blks += args->len;  in xfs_bmap_btalloc_accounting()
3295 		xfs_trans_mod_dquot_byino(ap->tp, ap->ip, XFS_TRANS_DQ_RES_BLKS,  in xfs_bmap_btalloc_accounting()
3296 				-(long)args->len);  in xfs_bmap_btalloc_accounting()
3301 	ap->ip->i_nblocks += args->len;  in xfs_bmap_btalloc_accounting()
3302 	xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE);  in xfs_bmap_btalloc_accounting()
3303 	if (ap->wasdel) {  in xfs_bmap_btalloc_accounting()
3304 		ap->ip->i_delayed_blks -= args->len;  in xfs_bmap_btalloc_accounting()
3305 		xfs_mod_delalloc(ap->ip->i_mount, -(int64_t)args->len);  in xfs_bmap_btalloc_accounting()
3307 	xfs_trans_mod_dquot_byino(ap->tp, ap->ip,  in xfs_bmap_btalloc_accounting()
3308 		ap->wasdel ? XFS_TRANS_DQ_DELBCOUNT : XFS_TRANS_DQ_BCOUNT,  in xfs_bmap_btalloc_accounting()
3309 		args->len);  in xfs_bmap_btalloc_accounting()
3317 	struct xfs_mount	*mp = args->mp;  in xfs_bmap_compute_alignments()
3322 	if (mp->m_swidth && xfs_has_swalloc(mp))  in xfs_bmap_compute_alignments()
3323 		stripe_align = mp->m_swidth;  in xfs_bmap_compute_alignments()
3324 	else if (mp->m_dalign)  in xfs_bmap_compute_alignments()
3325 		stripe_align = mp->m_dalign;  in xfs_bmap_compute_alignments()
3327 	if (ap->flags & XFS_BMAPI_COWFORK)  in xfs_bmap_compute_alignments()
3328 		align = xfs_get_cowextsz_hint(ap->ip);  in xfs_bmap_compute_alignments()
3329 	else if (ap->datatype & XFS_ALLOC_USERDATA)  in xfs_bmap_compute_alignments()
3330 		align = xfs_get_extsz_hint(ap->ip);  in xfs_bmap_compute_alignments()
3332 		if (xfs_bmap_extsize_align(mp, &ap->got, &ap->prev, align, 0,  in xfs_bmap_compute_alignments()
3333 					ap->eof, 0, ap->conv, &ap->offset,  in xfs_bmap_compute_alignments()
3334 					&ap->length))  in xfs_bmap_compute_alignments()
3336 		ASSERT(ap->length);  in xfs_bmap_compute_alignments()
3341 		args->prod = align;  in xfs_bmap_compute_alignments()
3342 		div_u64_rem(ap->offset, args->prod, &args->mod);  in xfs_bmap_compute_alignments()
3343 		if (args->mod)  in xfs_bmap_compute_alignments()
3344 			args->mod = args->prod - args->mod;  in xfs_bmap_compute_alignments()
3345 	} else if (mp->m_sb.sb_blocksize >= PAGE_SIZE) {  in xfs_bmap_compute_alignments()
3346 		args->prod = 1;  in xfs_bmap_compute_alignments()
3347 		args->mod = 0;  in xfs_bmap_compute_alignments()
3349 		args->prod = PAGE_SIZE >> mp->m_sb.sb_blocklog;  in xfs_bmap_compute_alignments()
3350 		div_u64_rem(ap->offset, args->prod, &args->mod);  in xfs_bmap_compute_alignments()
3351 		if (args->mod)  in xfs_bmap_compute_alignments()
3352 			args->mod = args->prod - args->mod;  in xfs_bmap_compute_alignments()
3365 	ap->blkno = args->fsbno;  in xfs_bmap_process_allocated_extent()
3366 	ap->length = args->len;  in xfs_bmap_process_allocated_extent()
3379 	if (ap->length <= orig_length)  in xfs_bmap_process_allocated_extent()
3380 		ap->offset = orig_offset;  in xfs_bmap_process_allocated_extent()
3381 	else if (ap->offset + ap->length < orig_offset + orig_length)  in xfs_bmap_process_allocated_extent()
3382 		ap->offset = orig_offset + orig_length - ap->length;  in xfs_bmap_process_allocated_extent()
3391 	struct xfs_mount	*mp = ap->ip->i_mount;  in xfs_bmap_exact_minlen_extent_alloc()
3392 	struct xfs_alloc_arg	args = { .tp = ap->tp, .mp = mp };  in xfs_bmap_exact_minlen_extent_alloc()
3397 	ASSERT(ap->length);  in xfs_bmap_exact_minlen_extent_alloc()
3399 	if (ap->minlen != 1) {  in xfs_bmap_exact_minlen_extent_alloc()
3400 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3401 		ap->length = 0;  in xfs_bmap_exact_minlen_extent_alloc()
3405 	orig_offset = ap->offset;  in xfs_bmap_exact_minlen_extent_alloc()
3406 	orig_length = ap->length;  in xfs_bmap_exact_minlen_extent_alloc()
3420 	ap->blkno = XFS_AGB_TO_FSB(mp, 0, 0);  in xfs_bmap_exact_minlen_extent_alloc()
3423 	args.minlen = args.maxlen = ap->minlen;  in xfs_bmap_exact_minlen_extent_alloc()
3424 	args.total = ap->total;  in xfs_bmap_exact_minlen_extent_alloc()
3429 	args.minleft = ap->minleft;  in xfs_bmap_exact_minlen_extent_alloc()
3430 	args.wasdel = ap->wasdel;  in xfs_bmap_exact_minlen_extent_alloc()
3432 	args.datatype = ap->datatype;  in xfs_bmap_exact_minlen_extent_alloc()
3434 	error = xfs_alloc_vextent_first_ag(&args, ap->blkno);  in xfs_bmap_exact_minlen_extent_alloc()
3442 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3443 		ap->length = 0;  in xfs_bmap_exact_minlen_extent_alloc()
3450 #define xfs_bmap_exact_minlen_extent_alloc(bma) (-EFSCORRUPTED)
3459  * NOTE: ap->aeof is only set if the allocation length is >= the
3470 	struct xfs_mount	*mp = args->mp;  in xfs_bmap_btalloc_at_eof()
3471 	struct xfs_perag	*caller_pag = args->pag;  in xfs_bmap_btalloc_at_eof()
3475 	 * If there are already extents in the file, try an exact EOF block  in xfs_bmap_btalloc_at_eof()
3480 	if (ap->offset) {  in xfs_bmap_btalloc_at_eof()
3488 		args->alignment = 1;  in xfs_bmap_btalloc_at_eof()
3489 		if (blen > stripe_align && blen <= args->maxlen)  in xfs_bmap_btalloc_at_eof()
3490 			nextminlen = blen - stripe_align;  in xfs_bmap_btalloc_at_eof()
3492 			nextminlen = args->minlen;  in xfs_bmap_btalloc_at_eof()
3493 		if (nextminlen + stripe_align > args->minlen + 1)  in xfs_bmap_btalloc_at_eof()
3494 			args->minalignslop = nextminlen + stripe_align -  in xfs_bmap_btalloc_at_eof()
3495 					args->minlen - 1;  in xfs_bmap_btalloc_at_eof()
3497 			args->minalignslop = 0;  in xfs_bmap_btalloc_at_eof()
3500 			args->pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, ap->blkno));  in xfs_bmap_btalloc_at_eof()
3501 		error = xfs_alloc_vextent_exact_bno(args, ap->blkno);  in xfs_bmap_btalloc_at_eof()
3503 			xfs_perag_put(args->pag);  in xfs_bmap_btalloc_at_eof()
3504 			args->pag = NULL;  in xfs_bmap_btalloc_at_eof()
3509 		if (args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_at_eof()
3515 		args->alignment = stripe_align;  in xfs_bmap_btalloc_at_eof()
3516 		args->minlen = nextminlen;  in xfs_bmap_btalloc_at_eof()
3517 		args->minalignslop = 0;  in xfs_bmap_btalloc_at_eof()
3523 		args->alignment = stripe_align;  in xfs_bmap_btalloc_at_eof()
3524 		if (blen > args->alignment &&  in xfs_bmap_btalloc_at_eof()
3525 		    blen <= args->maxlen + args->alignment)  in xfs_bmap_btalloc_at_eof()
3526 			args->minlen = blen - args->alignment;  in xfs_bmap_btalloc_at_eof()
3527 		args->minalignslop = 0;  in xfs_bmap_btalloc_at_eof()
3531 		error = xfs_alloc_vextent_near_bno(args, ap->blkno);  in xfs_bmap_btalloc_at_eof()
3533 		args->pag = NULL;  in xfs_bmap_btalloc_at_eof()
3534 		error = xfs_alloc_vextent_start_ag(args, ap->blkno);  in xfs_bmap_btalloc_at_eof()
3535 		ASSERT(args->pag == NULL);  in xfs_bmap_btalloc_at_eof()
3536 		args->pag = caller_pag;  in xfs_bmap_btalloc_at_eof()
3541 	if (args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_at_eof()
3546 	 * original non-aligned state so the caller can proceed on allocation  in xfs_bmap_btalloc_at_eof()
3549 	args->alignment = 1;  in xfs_bmap_btalloc_at_eof()
3556  * allocation whilst still maintaining necessary total block reservation
3572 	if (args->minlen > ap->minlen) {  in xfs_bmap_btalloc_low_space()
3573 		args->minlen = ap->minlen;  in xfs_bmap_btalloc_low_space()
3574 		error = xfs_alloc_vextent_start_ag(args, ap->blkno);  in xfs_bmap_btalloc_low_space()
3575 		if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_low_space()
3580 	args->total = ap->minlen;  in xfs_bmap_btalloc_low_space()
3584 	ap->tp->t_flags |= XFS_TRANS_LOWMODE;  in xfs_bmap_btalloc_low_space()
3601 	ASSERT(args->pag);  in xfs_bmap_btalloc_filestreams()
3608 	if (ap->tp->t_flags & XFS_TRANS_LOWMODE) {  in xfs_bmap_btalloc_filestreams()
3609 		args->minlen = ap->minlen;  in xfs_bmap_btalloc_filestreams()
3610 		ASSERT(args->fsbno == NULLFSBLOCK);  in xfs_bmap_btalloc_filestreams()
3614 	args->minlen = xfs_bmap_select_minlen(ap, args, blen);  in xfs_bmap_btalloc_filestreams()
3615 	if (ap->aeof)  in xfs_bmap_btalloc_filestreams()
3619 	if (!error && args->fsbno == NULLFSBLOCK)  in xfs_bmap_btalloc_filestreams()
3620 		error = xfs_alloc_vextent_near_bno(args, ap->blkno);  in xfs_bmap_btalloc_filestreams()
3630 	xfs_perag_rele(args->pag);  in xfs_bmap_btalloc_filestreams()
3631 	args->pag = NULL;  in xfs_bmap_btalloc_filestreams()
3632 	if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_filestreams()
3647 	ap->blkno = XFS_INO_TO_FSB(args->mp, ap->ip->i_ino);  in xfs_bmap_btalloc_best_length()
3665 	if (ap->aeof && !(ap->tp->t_flags & XFS_TRANS_LOWMODE)) {  in xfs_bmap_btalloc_best_length()
3668 		if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_best_length()
3672 	error = xfs_alloc_vextent_start_ag(args, ap->blkno);  in xfs_bmap_btalloc_best_length()
3673 	if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_best_length()
3683 	struct xfs_mount	*mp = ap->ip->i_mount;  in xfs_bmap_btalloc()
3685 		.tp		= ap->tp,  in xfs_bmap_btalloc()
3689 		.minleft	= ap->minleft,  in xfs_bmap_btalloc()
3690 		.wasdel		= ap->wasdel,  in xfs_bmap_btalloc()
3692 		.datatype	= ap->datatype,  in xfs_bmap_btalloc()
3701 	ASSERT(ap->length);  in xfs_bmap_btalloc()
3702 	orig_offset = ap->offset;  in xfs_bmap_btalloc()
3703 	orig_length = ap->length;  in xfs_bmap_btalloc()
3708 	args.maxlen = min(ap->length, mp->m_ag_max_usable);  in xfs_bmap_btalloc()
3710 	if ((ap->datatype & XFS_ALLOC_USERDATA) &&  in xfs_bmap_btalloc()
3711 	    xfs_inode_is_filestream(ap->ip))  in xfs_bmap_btalloc()
3722 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
3723 		ap->length = 0;  in xfs_bmap_btalloc()
3728 /* Trim extent to fit a logical block range. */
3738 	if (irec->br_startoff + irec->br_blockcount <= bno ||  in xfs_trim_extent()
3739 	    irec->br_startoff >= end) {  in xfs_trim_extent()
3740 		irec->br_blockcount = 0;  in xfs_trim_extent()
3744 	if (irec->br_startoff < bno) {  in xfs_trim_extent()
3745 		distance = bno - irec->br_startoff;  in xfs_trim_extent()
3746 		if (isnullstartblock(irec->br_startblock))  in xfs_trim_extent()
3747 			irec->br_startblock = DELAYSTARTBLOCK;  in xfs_trim_extent()
3748 		if (irec->br_startblock != DELAYSTARTBLOCK &&  in xfs_trim_extent()
3749 		    irec->br_startblock != HOLESTARTBLOCK)  in xfs_trim_extent()
3750 			irec->br_startblock += distance;  in xfs_trim_extent()
3751 		irec->br_startoff += distance;  in xfs_trim_extent()
3752 		irec->br_blockcount -= distance;  in xfs_trim_extent()
3755 	if (end < irec->br_startoff + irec->br_blockcount) {  in xfs_trim_extent()
3756 		distance = irec->br_startoff + irec->br_blockcount - end;  in xfs_trim_extent()
3757 		irec->br_blockcount -= distance;  in xfs_trim_extent()
3776 	    got->br_startoff + got->br_blockcount <= obno) {  in xfs_bmapi_trim_map()
3778 		if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
3779 			mval->br_startblock = DELAYSTARTBLOCK;  in xfs_bmapi_trim_map()
3787 	mval->br_startoff = *bno;  in xfs_bmapi_trim_map()
3788 	if (isnullstartblock(got->br_startblock))  in xfs_bmapi_trim_map()
3789 		mval->br_startblock = DELAYSTARTBLOCK;  in xfs_bmapi_trim_map()
3791 		mval->br_startblock = got->br_startblock +  in xfs_bmapi_trim_map()
3792 					(*bno - got->br_startoff);  in xfs_bmapi_trim_map()
3800 	mval->br_blockcount = XFS_FILBLKS_MIN(end - *bno,  in xfs_bmapi_trim_map()
3801 			got->br_blockcount - (*bno - got->br_startoff));  in xfs_bmapi_trim_map()
3802 	mval->br_state = got->br_state;  in xfs_bmapi_trim_map()
3803 	ASSERT(mval->br_blockcount <= len);  in xfs_bmapi_trim_map()
3823 	       ((mval->br_startoff + mval->br_blockcount) <= end));  in xfs_bmapi_update_map()
3824 	ASSERT((flags & XFS_BMAPI_ENTIRE) || (mval->br_blockcount <= *len) ||  in xfs_bmapi_update_map()
3825 	       (mval->br_startoff < obno));  in xfs_bmapi_update_map()
3827 	*bno = mval->br_startoff + mval->br_blockcount;  in xfs_bmapi_update_map()
3828 	*len = end - *bno;  in xfs_bmapi_update_map()
3829 	if (*n > 0 && mval->br_startoff == mval[-1].br_startoff) {  in xfs_bmapi_update_map()
3831 		ASSERT(mval->br_startblock == mval[-1].br_startblock);  in xfs_bmapi_update_map()
3832 		ASSERT(mval->br_blockcount > mval[-1].br_blockcount);  in xfs_bmapi_update_map()
3833 		ASSERT(mval->br_state == mval[-1].br_state);  in xfs_bmapi_update_map()
3834 		mval[-1].br_blockcount = mval->br_blockcount;  in xfs_bmapi_update_map()
3835 		mval[-1].br_state = mval->br_state;  in xfs_bmapi_update_map()
3836 	} else if (*n > 0 && mval->br_startblock != DELAYSTARTBLOCK &&  in xfs_bmapi_update_map()
3837 		   mval[-1].br_startblock != DELAYSTARTBLOCK &&  in xfs_bmapi_update_map()
3838 		   mval[-1].br_startblock != HOLESTARTBLOCK &&  in xfs_bmapi_update_map()
3839 		   mval->br_startblock == mval[-1].br_startblock +  in xfs_bmapi_update_map()
3840 					  mval[-1].br_blockcount &&  in xfs_bmapi_update_map()
3841 		   mval[-1].br_state == mval->br_state) {  in xfs_bmapi_update_map()
3842 		ASSERT(mval->br_startoff ==  in xfs_bmapi_update_map()
3843 		       mval[-1].br_startoff + mval[-1].br_blockcount);  in xfs_bmapi_update_map()
3844 		mval[-1].br_blockcount += mval->br_blockcount;  in xfs_bmapi_update_map()
3846 		   mval->br_startblock == DELAYSTARTBLOCK &&  in xfs_bmapi_update_map()
3847 		   mval[-1].br_startblock == DELAYSTARTBLOCK &&  in xfs_bmapi_update_map()
3848 		   mval->br_startoff ==  in xfs_bmapi_update_map()
3849 		   mval[-1].br_startoff + mval[-1].br_blockcount) {  in xfs_bmapi_update_map()
3850 		mval[-1].br_blockcount += mval->br_blockcount;  in xfs_bmapi_update_map()
3851 		mval[-1].br_state = mval->br_state;  in xfs_bmapi_update_map()
3853 		     ((mval->br_startoff + mval->br_blockcount) <=  in xfs_bmapi_update_map()
3866 	struct xfs_inode	*ip,  in xfs_bmapi_read()  argument
3873 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmapi_read()
3875 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmapi_read()
3886 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED|XFS_ILOCK_EXCL));  in xfs_bmapi_read()
3889 		return -EFSCORRUPTED;  in xfs_bmapi_read()
3893 		return -EFSCORRUPTED;  in xfs_bmapi_read()
3896 		return -EIO;  in xfs_bmapi_read()
3900 	error = xfs_iread_extents(NULL, ip, whichfork);  in xfs_bmapi_read()
3904 	if (!xfs_iext_lookup_extent(ip, ifp, bno, &icur, &got))  in xfs_bmapi_read()
3915 			mval->br_startoff = bno;  in xfs_bmapi_read()
3916 			mval->br_startblock = HOLESTARTBLOCK;  in xfs_bmapi_read()
3917 			mval->br_blockcount =  in xfs_bmapi_read()
3918 				XFS_FILBLKS_MIN(len, got.br_startoff - bno);  in xfs_bmapi_read()
3919 			mval->br_state = XFS_EXT_NORM;  in xfs_bmapi_read()
3920 			bno += mval->br_blockcount;  in xfs_bmapi_read()
3921 			len -= mval->br_blockcount;  in xfs_bmapi_read()
3945  * global pool and the extent inserted into the inode in-core extent tree.
3958 	struct xfs_inode	*ip,  in xfs_bmapi_reserve_delalloc()  argument
3967 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmapi_reserve_delalloc()
3968 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmapi_reserve_delalloc()
3980 		alen = XFS_FILBLKS_MIN(alen, got->br_startoff - aoff);  in xfs_bmapi_reserve_delalloc()
3982 		prealloc = alen - len;  in xfs_bmapi_reserve_delalloc()
3987 		xfs_extlen_t		extsz = xfs_get_cowextsz_hint(ip);  in xfs_bmapi_reserve_delalloc()
3998 	 * Make a transaction-less quota reservation for delayed allocation  in xfs_bmapi_reserve_delalloc()
4002 	error = xfs_quota_reserve_blkres(ip, alen);  in xfs_bmapi_reserve_delalloc()
4010 	indlen = (xfs_extlen_t)xfs_bmap_worst_indlen(ip, alen);  in xfs_bmapi_reserve_delalloc()
4013 	error = xfs_mod_fdblocks(mp, -((int64_t)alen), false);  in xfs_bmapi_reserve_delalloc()
4017 	error = xfs_mod_fdblocks(mp, -((int64_t)indlen), false);  in xfs_bmapi_reserve_delalloc()
4022 	ip->i_delayed_blks += alen;  in xfs_bmapi_reserve_delalloc()
4023 	xfs_mod_delalloc(ip->i_mount, alen + indlen);  in xfs_bmapi_reserve_delalloc()
4025 	got->br_startoff = aoff;  in xfs_bmapi_reserve_delalloc()
4026 	got->br_startblock = nullstartblock(indlen);  in xfs_bmapi_reserve_delalloc()
4027 	got->br_blockcount = alen;  in xfs_bmapi_reserve_delalloc()
4028 	got->br_state = XFS_EXT_NORM;  in xfs_bmapi_reserve_delalloc()
4030 	xfs_bmap_add_extent_hole_delay(ip, whichfork, icur, got);  in xfs_bmapi_reserve_delalloc()
4038 		xfs_inode_set_eofblocks_tag(ip);  in xfs_bmapi_reserve_delalloc()
4040 		xfs_inode_set_cowblocks_tag(ip);  in xfs_bmapi_reserve_delalloc()
4048 		xfs_quota_unreserve_blkres(ip, alen);  in xfs_bmapi_reserve_delalloc()
4056 	struct xfs_mount	*mp = bma->ip->i_mount;  in xfs_bmap_alloc_userdata()
4057 	int			whichfork = xfs_bmapi_whichfork(bma->flags);  in xfs_bmap_alloc_userdata()
4066 	bma->datatype = XFS_ALLOC_NOBUSY;  in xfs_bmap_alloc_userdata()
4068 		bma->datatype |= XFS_ALLOC_USERDATA;  in xfs_bmap_alloc_userdata()
4069 		if (bma->offset == 0)  in xfs_bmap_alloc_userdata()
4070 			bma->datatype |= XFS_ALLOC_INITIAL_USER_DATA;  in xfs_bmap_alloc_userdata()
4072 		if (mp->m_dalign && bma->length >= mp->m_dalign) {  in xfs_bmap_alloc_userdata()
4078 		if (XFS_IS_REALTIME_INODE(bma->ip))  in xfs_bmap_alloc_userdata()
4093 	struct xfs_mount	*mp = bma->ip->i_mount;  in xfs_bmapi_allocate()
4094 	int			whichfork = xfs_bmapi_whichfork(bma->flags);  in xfs_bmapi_allocate()
4095 	struct xfs_ifork	*ifp = xfs_ifork_ptr(bma->ip, whichfork);  in xfs_bmapi_allocate()
4099 	ASSERT(bma->length > 0);  in xfs_bmapi_allocate()
4105 	if (bma->wasdel) {  in xfs_bmapi_allocate()
4106 		bma->length = (xfs_extlen_t)bma->got.br_blockcount;  in xfs_bmapi_allocate()
4107 		bma->offset = bma->got.br_startoff;  in xfs_bmapi_allocate()
4108 		if (!xfs_iext_peek_prev_extent(ifp, &bma->icur, &bma->prev))  in xfs_bmapi_allocate()
4109 			bma->prev.br_startoff = NULLFILEOFF;  in xfs_bmapi_allocate()
4111 		bma->length = XFS_FILBLKS_MIN(bma->length, XFS_MAX_BMBT_EXTLEN);  in xfs_bmapi_allocate()
4112 		if (!bma->eof)  in xfs_bmapi_allocate()
4113 			bma->length = XFS_FILBLKS_MIN(bma->length,  in xfs_bmapi_allocate()
4114 					bma->got.br_startoff - bma->offset);  in xfs_bmapi_allocate()
4117 	if (bma->flags & XFS_BMAPI_CONTIG)  in xfs_bmapi_allocate()
4118 		bma->minlen = bma->length;  in xfs_bmapi_allocate()
4120 		bma->minlen = 1;  in xfs_bmapi_allocate()
4122 	if (bma->flags & XFS_BMAPI_METADATA) {  in xfs_bmapi_allocate()
4131 	if (error || bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4134 	if (bma->flags & XFS_BMAPI_ZERO) {  in xfs_bmapi_allocate()
4135 		error = xfs_zero_extent(bma->ip, bma->blkno, bma->length);  in xfs_bmapi_allocate()
4140 	if (ifp->if_format == XFS_DINODE_FMT_BTREE && !bma->cur)  in xfs_bmapi_allocate()
4141 		bma->cur = xfs_bmbt_init_cursor(mp, bma->tp, bma->ip, whichfork);  in xfs_bmapi_allocate()
4146 	bma->nallocs++;  in xfs_bmapi_allocate()
4148 	if (bma->cur)  in xfs_bmapi_allocate()
4149 		bma->cur->bc_ino.flags =  in xfs_bmapi_allocate()
4150 			bma->wasdel ? XFS_BTCUR_BMBT_WASDEL : 0;  in xfs_bmapi_allocate()
4152 	bma->got.br_startoff = bma->offset;  in xfs_bmapi_allocate()
4153 	bma->got.br_startblock = bma->blkno;  in xfs_bmapi_allocate()
4154 	bma->got.br_blockcount = bma->length;  in xfs_bmapi_allocate()
4155 	bma->got.br_state = XFS_EXT_NORM;  in xfs_bmapi_allocate()
4157 	if (bma->flags & XFS_BMAPI_PREALLOC)  in xfs_bmapi_allocate()
4158 		bma->got.br_state = XFS_EXT_UNWRITTEN;  in xfs_bmapi_allocate()
4160 	if (bma->wasdel)  in xfs_bmapi_allocate()
4163 		error = xfs_bmap_add_extent_hole_real(bma->tp, bma->ip,  in xfs_bmapi_allocate()
4164 				whichfork, &bma->icur, &bma->cur, &bma->got,  in xfs_bmapi_allocate()
4165 				&bma->logflags, bma->flags);  in xfs_bmapi_allocate()
4167 	bma->logflags |= tmp_logflags;  in xfs_bmapi_allocate()
4176 	xfs_iext_get_extent(ifp, &bma->icur, &bma->got);  in xfs_bmapi_allocate()
4178 	ASSERT(bma->got.br_startoff <= bma->offset);  in xfs_bmapi_allocate()
4179 	ASSERT(bma->got.br_startoff + bma->got.br_blockcount >=  in xfs_bmapi_allocate()
4180 	       bma->offset + bma->length);  in xfs_bmapi_allocate()
4181 	ASSERT(bma->got.br_state == XFS_EXT_NORM ||  in xfs_bmapi_allocate()
4182 	       bma->got.br_state == XFS_EXT_UNWRITTEN);  in xfs_bmapi_allocate()
4194 	struct xfs_ifork	*ifp = xfs_ifork_ptr(bma->ip, whichfork);  in xfs_bmapi_convert_unwritten()
4198 	/* check if we need to do unwritten->real conversion */  in xfs_bmapi_convert_unwritten()
4199 	if (mval->br_state == XFS_EXT_UNWRITTEN &&  in xfs_bmapi_convert_unwritten()
4203 	/* check if we need to do real->unwritten conversion */  in xfs_bmapi_convert_unwritten()
4204 	if (mval->br_state == XFS_EXT_NORM &&  in xfs_bmapi_convert_unwritten()
4212 	ASSERT(mval->br_blockcount <= len);  in xfs_bmapi_convert_unwritten()
4213 	if (ifp->if_format == XFS_DINODE_FMT_BTREE && !bma->cur) {  in xfs_bmapi_convert_unwritten()
4214 		bma->cur = xfs_bmbt_init_cursor(bma->ip->i_mount, bma->tp,  in xfs_bmapi_convert_unwritten()
4215 					bma->ip, whichfork);  in xfs_bmapi_convert_unwritten()
4217 	mval->br_state = (mval->br_state == XFS_EXT_UNWRITTEN)  in xfs_bmapi_convert_unwritten()
4225 		error = xfs_zero_extent(bma->ip, mval->br_startblock,  in xfs_bmapi_convert_unwritten()
4226 					mval->br_blockcount);  in xfs_bmapi_convert_unwritten()
4231 	error = xfs_bmap_add_extent_unwritten_real(bma->tp, bma->ip, whichfork,  in xfs_bmapi_convert_unwritten()
4232 			&bma->icur, &bma->cur, mval, &tmp_logflags);  in xfs_bmapi_convert_unwritten()
4242 	 * any on-disk updates to make, so we don't need to log anything.  in xfs_bmapi_convert_unwritten()
4245 		bma->logflags |= tmp_logflags | XFS_ILOG_CORE;  in xfs_bmapi_convert_unwritten()
4254 	xfs_iext_get_extent(ifp, &bma->icur, &bma->got);  in xfs_bmapi_convert_unwritten()
4260 	if (mval->br_blockcount < len)  in xfs_bmapi_convert_unwritten()
4261 		return -EAGAIN;  in xfs_bmapi_convert_unwritten()
4268 	struct xfs_inode	*ip,  in xfs_bmapi_minleft()  argument
4271 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, fork);  in xfs_bmapi_minleft()
4273 	if (tp && tp->t_highest_agno != NULLAGNUMBER)  in xfs_bmapi_minleft()
4275 	if (ifp->if_format != XFS_DINODE_FMT_BTREE)  in xfs_bmapi_minleft()
4277 	return be16_to_cpu(ifp->if_broot->bb_level) + 1;  in xfs_bmapi_minleft()
4292 	struct xfs_ifork	*ifp = xfs_ifork_ptr(bma->ip, whichfork);  in xfs_bmapi_finish()
4294 	if ((bma->logflags & xfs_ilog_fext(whichfork)) &&  in xfs_bmapi_finish()
4295 	    ifp->if_format != XFS_DINODE_FMT_EXTENTS)  in xfs_bmapi_finish()
4296 		bma->logflags &= ~xfs_ilog_fext(whichfork);  in xfs_bmapi_finish()
4297 	else if ((bma->logflags & xfs_ilog_fbroot(whichfork)) &&  in xfs_bmapi_finish()
4298 		 ifp->if_format != XFS_DINODE_FMT_BTREE)  in xfs_bmapi_finish()
4299 		bma->logflags &= ~xfs_ilog_fbroot(whichfork);  in xfs_bmapi_finish()
4301 	if (bma->logflags)  in xfs_bmapi_finish()
4302 		xfs_trans_log_inode(bma->tp, bma->ip, bma->logflags);  in xfs_bmapi_finish()
4303 	if (bma->cur)  in xfs_bmapi_finish()
4304 		xfs_btree_del_cursor(bma->cur, error);  in xfs_bmapi_finish()
4316 	struct xfs_inode	*ip,		/* incore inode */  in xfs_bmapi_write()  argument
4326 		.ip		= ip,  in xfs_bmapi_write()
4329 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmapi_write()
4331 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmapi_write()
4336 	xfs_fileoff_t		obno;		/* old block number (offset) */  in xfs_bmapi_write()
4339 	xfs_fileoff_t		orig_bno;	/* original block number value */  in xfs_bmapi_write()
4356 	ASSERT(ifp->if_format != XFS_DINODE_FMT_LOCAL);  in xfs_bmapi_write()
4357 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));  in xfs_bmapi_write()
4364 	 * we can allocate unwritten extents or pre-zero allocated blocks,  in xfs_bmapi_write()
4374 		return -EFSCORRUPTED;  in xfs_bmapi_write()
4378 		return -EIO;  in xfs_bmapi_write()
4382 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmapi_write()
4386 	if (!xfs_iext_lookup_extent(ip, ifp, bno, &bma.icur, &bma.got))  in xfs_bmapi_write()
4390 	bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork);  in xfs_bmapi_write()
4429 			 * check for 32-bit overflows and handle them here.  in xfs_bmapi_write()
4459 		if (error == -EAGAIN)  in xfs_bmapi_write()
4482 	error = xfs_bmap_btree_to_extents(tp, ip, bma.cur, &bma.logflags,  in xfs_bmapi_write()
4487 	ASSERT(ifp->if_format != XFS_DINODE_FMT_BTREE ||  in xfs_bmapi_write()
4488 	       ifp->if_nextents > XFS_IFORK_MAXEXT(ip, whichfork));  in xfs_bmapi_write()
4506 	struct xfs_inode	*ip,  in xfs_bmapi_convert_delalloc()  argument
4512 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmapi_convert_delalloc()
4513 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmapi_convert_delalloc()
4527 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0,  in xfs_bmapi_convert_delalloc()
4532 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_bmapi_convert_delalloc()
4533 	xfs_trans_ijoin(tp, ip, 0);  in xfs_bmapi_convert_delalloc()
4535 	error = xfs_iext_count_may_overflow(ip, whichfork,  in xfs_bmapi_convert_delalloc()
4537 	if (error == -EFBIG)  in xfs_bmapi_convert_delalloc()
4538 		error = xfs_iext_count_upgrade(tp, ip,  in xfs_bmapi_convert_delalloc()
4543 	if (!xfs_iext_lookup_extent(ip, ifp, offset_fsb, &bma.icur, &bma.got) ||  in xfs_bmapi_convert_delalloc()
4551 		error = -EAGAIN;  in xfs_bmapi_convert_delalloc()
4560 		xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags,  in xfs_bmapi_convert_delalloc()
4561 				xfs_iomap_inode_sequence(ip, flags));  in xfs_bmapi_convert_delalloc()
4562 		*seq = READ_ONCE(ifp->if_seq);  in xfs_bmapi_convert_delalloc()
4567 	bma.ip = ip;  in xfs_bmapi_convert_delalloc()
4572 	bma.minleft = xfs_bmapi_minleft(tp, ip, whichfork);  in xfs_bmapi_convert_delalloc()
4598 	error = -ENOSPC;  in xfs_bmapi_convert_delalloc()
4601 	error = -EFSCORRUPTED;  in xfs_bmapi_convert_delalloc()
4602 	if (WARN_ON_ONCE(!xfs_valid_startblock(ip, bma.got.br_startblock)))  in xfs_bmapi_convert_delalloc()
4609 	xfs_bmbt_to_iomap(ip, iomap, &bma.got, 0, flags,  in xfs_bmapi_convert_delalloc()
4610 				xfs_iomap_inode_sequence(ip, flags));  in xfs_bmapi_convert_delalloc()
4611 	*seq = READ_ONCE(ifp->if_seq);  in xfs_bmapi_convert_delalloc()
4616 	error = xfs_bmap_btree_to_extents(tp, ip, bma.cur, &bma.logflags,  in xfs_bmapi_convert_delalloc()
4623 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_bmapi_convert_delalloc()
4630 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_bmapi_convert_delalloc()
4637 	struct xfs_inode	*ip,  in xfs_bmapi_remap()  argument
4643 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmapi_remap()
4651 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmapi_remap()
4654 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));  in xfs_bmapi_remap()
4662 		return -EFSCORRUPTED;  in xfs_bmapi_remap()
4666 		return -EIO;  in xfs_bmapi_remap()
4668 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmapi_remap()
4672 	if (xfs_iext_lookup_extent(ip, ifp, bno, &icur, &got)) {  in xfs_bmapi_remap()
4675 		ASSERT(got.br_startoff - bno >= len);  in xfs_bmapi_remap()
4678 	ip->i_nblocks += len;  in xfs_bmapi_remap()
4679 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);  in xfs_bmapi_remap()
4681 	if (ifp->if_format == XFS_DINODE_FMT_BTREE) {  in xfs_bmapi_remap()
4682 		cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in xfs_bmapi_remap()
4683 		cur->bc_ino.flags = 0;  in xfs_bmapi_remap()
4694 	error = xfs_bmap_add_extent_hole_real(tp, ip, whichfork, &icur,  in xfs_bmapi_remap()
4699 	error = xfs_bmap_btree_to_extents(tp, ip, cur, &logflags, whichfork);  in xfs_bmapi_remap()
4702 	if (ip->i_df.if_format != XFS_DINODE_FMT_EXTENTS)  in xfs_bmapi_remap()
4704 	else if (ip->i_df.if_format != XFS_DINODE_FMT_BTREE)  in xfs_bmapi_remap()
4708 		xfs_trans_log_inode(tp, ip, logflags);  in xfs_bmapi_remap()
4744 		stolen = XFS_FILBLKS_MIN(nres - ores, avail);  in xfs_bmap_split_indlen()
4770 	 * is zero, we want to make sure that one gets a block first. The loop  in xfs_bmap_split_indlen()
4771 	 * below starts with len1, so hand len2 a block right off the bat if it  in xfs_bmap_split_indlen()
4774 	ores -= (len1 + len2);  in xfs_bmap_split_indlen()
4775 	ASSERT((*indlen1 - len1) + (*indlen2 - len2) >= ores);  in xfs_bmap_split_indlen()
4778 		ores--;  in xfs_bmap_split_indlen()
4783 			ores--;  in xfs_bmap_split_indlen()
4789 			ores--;  in xfs_bmap_split_indlen()
4801 	struct xfs_inode	*ip,  in xfs_bmap_del_extent_delay()  argument
4807 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_del_extent_delay()
4808 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_del_extent_delay()
4819 	isrt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(ip);  in xfs_bmap_del_extent_delay()
4820 	del_endoff = del->br_startoff + del->br_blockcount;  in xfs_bmap_del_extent_delay()
4821 	got_endoff = got->br_startoff + got->br_blockcount;  in xfs_bmap_del_extent_delay()
4822 	da_old = startblockval(got->br_startblock);  in xfs_bmap_del_extent_delay()
4825 	ASSERT(del->br_blockcount > 0);  in xfs_bmap_del_extent_delay()
4826 	ASSERT(got->br_startoff <= del->br_startoff);  in xfs_bmap_del_extent_delay()
4830 		uint64_t	rtexts = del->br_blockcount;  in xfs_bmap_del_extent_delay()
4832 		do_div(rtexts, mp->m_sb.sb_rextsize);  in xfs_bmap_del_extent_delay()
4839 	 * indirect block accounting.  in xfs_bmap_del_extent_delay()
4842 	error = xfs_quota_unreserve_blkres(ip, del->br_blockcount);  in xfs_bmap_del_extent_delay()
4845 	ip->i_delayed_blks -= del->br_blockcount;  in xfs_bmap_del_extent_delay()
4847 	if (got->br_startoff == del->br_startoff)  in xfs_bmap_del_extent_delay()
4857 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_del_extent_delay()
4864 		got->br_startoff = del_endoff;  in xfs_bmap_del_extent_delay()
4865 		got->br_blockcount -= del->br_blockcount;  in xfs_bmap_del_extent_delay()
4866 		da_new = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip,  in xfs_bmap_del_extent_delay()
4867 				got->br_blockcount), da_old);  in xfs_bmap_del_extent_delay()
4868 		got->br_startblock = nullstartblock((int)da_new);  in xfs_bmap_del_extent_delay()
4869 		xfs_iext_update_extent(ip, state, icur, got);  in xfs_bmap_del_extent_delay()
4875 		got->br_blockcount = got->br_blockcount - del->br_blockcount;  in xfs_bmap_del_extent_delay()
4876 		da_new = XFS_FILBLKS_MIN(xfs_bmap_worst_indlen(ip,  in xfs_bmap_del_extent_delay()
4877 				got->br_blockcount), da_old);  in xfs_bmap_del_extent_delay()
4878 		got->br_startblock = nullstartblock((int)da_new);  in xfs_bmap_del_extent_delay()
4879 		xfs_iext_update_extent(ip, state, icur, got);  in xfs_bmap_del_extent_delay()
4891 		got->br_blockcount = del->br_startoff - got->br_startoff;  in xfs_bmap_del_extent_delay()
4892 		got_indlen = xfs_bmap_worst_indlen(ip, got->br_blockcount);  in xfs_bmap_del_extent_delay()
4894 		new.br_blockcount = got_endoff - del_endoff;  in xfs_bmap_del_extent_delay()
4895 		new_indlen = xfs_bmap_worst_indlen(ip, new.br_blockcount);  in xfs_bmap_del_extent_delay()
4899 						       del->br_blockcount);  in xfs_bmap_del_extent_delay()
4901 		got->br_startblock = nullstartblock((int)got_indlen);  in xfs_bmap_del_extent_delay()
4904 		new.br_state = got->br_state;  in xfs_bmap_del_extent_delay()
4907 		xfs_iext_update_extent(ip, state, icur, got);  in xfs_bmap_del_extent_delay()
4909 		xfs_iext_insert(ip, icur, &new, state);  in xfs_bmap_del_extent_delay()
4911 		da_new = got_indlen + new_indlen - stolen;  in xfs_bmap_del_extent_delay()
4912 		del->br_blockcount -= stolen;  in xfs_bmap_del_extent_delay()
4917 	da_diff = da_old - da_new;  in xfs_bmap_del_extent_delay()
4919 		da_diff += del->br_blockcount;  in xfs_bmap_del_extent_delay()
4922 		xfs_mod_delalloc(mp, -da_diff);  in xfs_bmap_del_extent_delay()
4929 	struct xfs_inode	*ip,  in xfs_bmap_del_extent_cow()  argument
4934 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_del_extent_cow()
4935 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, XFS_COW_FORK);  in xfs_bmap_del_extent_cow()
4942 	del_endoff = del->br_startoff + del->br_blockcount;  in xfs_bmap_del_extent_cow()
4943 	got_endoff = got->br_startoff + got->br_blockcount;  in xfs_bmap_del_extent_cow()
4945 	ASSERT(del->br_blockcount > 0);  in xfs_bmap_del_extent_cow()
4946 	ASSERT(got->br_startoff <= del->br_startoff);  in xfs_bmap_del_extent_cow()
4948 	ASSERT(!isnullstartblock(got->br_startblock));  in xfs_bmap_del_extent_cow()
4950 	if (got->br_startoff == del->br_startoff)  in xfs_bmap_del_extent_cow()
4960 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_del_extent_cow()
4967 		got->br_startoff = del_endoff;  in xfs_bmap_del_extent_cow()
4968 		got->br_blockcount -= del->br_blockcount;  in xfs_bmap_del_extent_cow()
4969 		got->br_startblock = del->br_startblock + del->br_blockcount;  in xfs_bmap_del_extent_cow()
4970 		xfs_iext_update_extent(ip, state, icur, got);  in xfs_bmap_del_extent_cow()
4976 		got->br_blockcount -= del->br_blockcount;  in xfs_bmap_del_extent_cow()
4977 		xfs_iext_update_extent(ip, state, icur, got);  in xfs_bmap_del_extent_cow()
4983 		got->br_blockcount = del->br_startoff - got->br_startoff;  in xfs_bmap_del_extent_cow()
4986 		new.br_blockcount = got_endoff - del_endoff;  in xfs_bmap_del_extent_cow()
4987 		new.br_state = got->br_state;  in xfs_bmap_del_extent_cow()
4988 		new.br_startblock = del->br_startblock + del->br_blockcount;  in xfs_bmap_del_extent_cow()
4990 		xfs_iext_update_extent(ip, state, icur, got);  in xfs_bmap_del_extent_cow()
4992 		xfs_iext_insert(ip, icur, &new, state);  in xfs_bmap_del_extent_cow()
4995 	ip->i_delayed_blks -= del->br_blockcount;  in xfs_bmap_del_extent_cow()
5004 	xfs_inode_t		*ip,	/* incore inode pointer */  in xfs_bmap_del_extent_real()  argument
5013 	xfs_fsblock_t		del_endblock=0;	/* first block past del */  in xfs_bmap_del_extent_real()
5023 	xfs_filblks_t		nblks;	/* quota/sb block count */  in xfs_bmap_del_extent_real()
5030 	mp = ip->i_mount;  in xfs_bmap_del_extent_real()
5033 	ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_del_extent_real()
5034 	ASSERT(del->br_blockcount > 0);  in xfs_bmap_del_extent_real()
5036 	ASSERT(got.br_startoff <= del->br_startoff);  in xfs_bmap_del_extent_real()
5037 	del_endoff = del->br_startoff + del->br_blockcount;  in xfs_bmap_del_extent_real()
5045 	 * If it's the case where the directory code is running with no block  in xfs_bmap_del_extent_real()
5046 	 * reservation, and the deleted block is in the middle of its extent,  in xfs_bmap_del_extent_real()
5052 	if (tp->t_blk_res == 0 &&  in xfs_bmap_del_extent_real()
5053 	    ifp->if_format == XFS_DINODE_FMT_EXTENTS &&  in xfs_bmap_del_extent_real()
5054 	    ifp->if_nextents >= XFS_IFORK_MAXEXT(ip, whichfork) &&  in xfs_bmap_del_extent_real()
5055 	    del->br_startoff > got.br_startoff && del_endoff < got_endoff)  in xfs_bmap_del_extent_real()
5056 		return -ENOSPC;  in xfs_bmap_del_extent_real()
5059 	if (whichfork == XFS_DATA_FORK && XFS_IS_REALTIME_INODE(ip)) {  in xfs_bmap_del_extent_real()
5061 			error = xfs_rtfree_blocks(tp, del->br_startblock,  in xfs_bmap_del_extent_real()
5062 					del->br_blockcount);  in xfs_bmap_del_extent_real()
5073 	nblks = del->br_blockcount;  in xfs_bmap_del_extent_real()
5075 	del_endblock = del->br_startblock + del->br_blockcount;  in xfs_bmap_del_extent_real()
5081 			error = -EFSCORRUPTED;  in xfs_bmap_del_extent_real()
5086 	if (got.br_startoff == del->br_startoff)  in xfs_bmap_del_extent_real()
5096 		xfs_iext_remove(ip, icur, state);  in xfs_bmap_del_extent_real()
5098 		ifp->if_nextents--;  in xfs_bmap_del_extent_real()
5108 			error = -EFSCORRUPTED;  in xfs_bmap_del_extent_real()
5118 		got.br_blockcount -= del->br_blockcount;  in xfs_bmap_del_extent_real()
5119 		xfs_iext_update_extent(ip, state, icur, &got);  in xfs_bmap_del_extent_real()
5132 		got.br_blockcount -= del->br_blockcount;  in xfs_bmap_del_extent_real()
5133 		xfs_iext_update_extent(ip, state, icur, &got);  in xfs_bmap_del_extent_real()
5149 		got.br_blockcount = del->br_startoff - got.br_startoff;  in xfs_bmap_del_extent_real()
5150 		xfs_iext_update_extent(ip, state, icur, &got);  in xfs_bmap_del_extent_real()
5153 		new.br_blockcount = got_endoff - del_endoff;  in xfs_bmap_del_extent_real()
5165 			cur->bc_rec.b = new;  in xfs_bmap_del_extent_real()
5167 			if (error && error != -ENOSPC)  in xfs_bmap_del_extent_real()
5170 			 * If get no-space back from btree insert, it tried a  in xfs_bmap_del_extent_real()
5171 			 * split, and we have a zero block reservation.  Fix up  in xfs_bmap_del_extent_real()
5174 			if (error == -ENOSPC) {  in xfs_bmap_del_extent_real()
5183 					error = -EFSCORRUPTED;  in xfs_bmap_del_extent_real()
5197 				xfs_iext_update_extent(ip, state, icur, &old);  in xfs_bmap_del_extent_real()
5199 				error = -ENOSPC;  in xfs_bmap_del_extent_real()
5203 				error = -EFSCORRUPTED;  in xfs_bmap_del_extent_real()
5209 		ifp->if_nextents++;  in xfs_bmap_del_extent_real()
5211 		xfs_iext_insert(ip, icur, &new, state);  in xfs_bmap_del_extent_real()
5216 	xfs_rmap_unmap_extent(tp, ip, whichfork, del);  in xfs_bmap_del_extent_real()
5222 		if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) {  in xfs_bmap_del_extent_real()
5225 			error = __xfs_free_extent_later(tp, del->br_startblock,  in xfs_bmap_del_extent_real()
5226 					del->br_blockcount, NULL,  in xfs_bmap_del_extent_real()
5229 					del->br_state == XFS_EXT_UNWRITTEN));  in xfs_bmap_del_extent_real()
5239 		ip->i_nblocks -= nblks;  in xfs_bmap_del_extent_real()
5244 		xfs_trans_mod_dquot_byino(tp, ip, qfield, (long)-nblks);  in xfs_bmap_del_extent_real()
5254  * that value.  If not all extents in the block range can be removed then
5260 	struct xfs_inode	*ip,		/* incore inode */  in __xfs_bunmapi()  argument
5275 	struct xfs_mount	*mp = ip->i_mount;  in __xfs_bunmapi()
5285 	trace_xfs_bunmap(ip, start, len, flags, _RET_IP_);  in __xfs_bunmapi()
5289 	ifp = xfs_ifork_ptr(ip, whichfork);  in __xfs_bunmapi()
5291 		return -EFSCORRUPTED;  in __xfs_bunmapi()
5293 		return -EIO;  in __xfs_bunmapi()
5295 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));  in __xfs_bunmapi()
5299 	error = xfs_iread_extents(tp, ip, whichfork);  in __xfs_bunmapi()
5308 	isrt = (whichfork == XFS_DATA_FORK) && XFS_IS_REALTIME_INODE(ip);  in __xfs_bunmapi()
5311 	if (!xfs_iext_lookup_extent_before(ip, ifp, &end, &icur, &got)) {  in __xfs_bunmapi()
5315 	end--;  in __xfs_bunmapi()
5318 	if (ifp->if_format == XFS_DINODE_FMT_BTREE) {  in __xfs_bunmapi()
5319 		ASSERT(ifp->if_format == XFS_DINODE_FMT_BTREE);  in __xfs_bunmapi()
5320 		cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in __xfs_bunmapi()
5321 		cur->bc_ino.flags = 0;  in __xfs_bunmapi()
5329 		xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL|XFS_ILOCK_RTBITMAP);  in __xfs_bunmapi()
5330 		xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL);  in __xfs_bunmapi()
5331 		xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL|XFS_ILOCK_RTSUM);  in __xfs_bunmapi()
5332 		xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL);  in __xfs_bunmapi()
5336 	while (end != (xfs_fileoff_t)-1 && end >= start &&  in __xfs_bunmapi()
5348 		 * Is the last block of this extent before the range  in __xfs_bunmapi()
5352 			got.br_startoff + got.br_blockcount - 1);  in __xfs_bunmapi()
5364 			del.br_blockcount -= start - got.br_startoff;  in __xfs_bunmapi()
5366 				del.br_startblock += start - got.br_startoff;  in __xfs_bunmapi()
5369 			del.br_blockcount = end + 1 - del.br_startoff;  in __xfs_bunmapi()
5375 		div_u64_rem(sum, mp->m_sb.sb_rextsize, &mod);  in __xfs_bunmapi()
5390 				end -= mod > del.br_blockcount ?  in __xfs_bunmapi()
5404 			ASSERT(tp->t_blk_res > 0);  in __xfs_bunmapi()
5410 				del.br_startoff += del.br_blockcount - mod;  in __xfs_bunmapi()
5411 				del.br_startblock += del.br_blockcount - mod;  in __xfs_bunmapi()
5415 			error = xfs_bmap_add_extent_unwritten_real(tp, ip,  in __xfs_bunmapi()
5422 		div_u64_rem(del.br_startblock, mp->m_sb.sb_rextsize, &mod);  in __xfs_bunmapi()
5424 			xfs_extlen_t off = mp->m_sb.sb_rextsize - mod;  in __xfs_bunmapi()
5432 				del.br_blockcount -= off;  in __xfs_bunmapi()
5437 				    tp->t_blk_res == 0)) {  in __xfs_bunmapi()
5443 				end -= del.br_blockcount;  in __xfs_bunmapi()
5467 						     del.br_startoff - mod,  in __xfs_bunmapi()
5469 				mod = unwrite_start - prev.br_startoff;  in __xfs_bunmapi()
5472 				prev.br_blockcount -= mod;  in __xfs_bunmapi()
5475 						ip, whichfork, &icur, &cur,  in __xfs_bunmapi()
5484 						ip, whichfork, &icur, &cur,  in __xfs_bunmapi()
5494 			error = xfs_bmap_del_extent_delay(ip, whichfork, &icur,  in __xfs_bunmapi()
5497 			error = xfs_bmap_del_extent_real(ip, tp, &icur, cur,  in __xfs_bunmapi()
5506 		end = del.br_startoff - 1;  in __xfs_bunmapi()
5511 		if (end != (xfs_fileoff_t)-1 && end >= start) {  in __xfs_bunmapi()
5521 	if (done || end == (xfs_fileoff_t)-1 || end < start)  in __xfs_bunmapi()
5524 		*rlen = end - start + 1;  in __xfs_bunmapi()
5529 	if (xfs_bmap_needs_btree(ip, whichfork)) {  in __xfs_bunmapi()
5531 		error = xfs_bmap_extents_to_btree(tp, ip, &cur, 0,  in __xfs_bunmapi()
5535 		error = xfs_bmap_btree_to_extents(tp, ip, cur, &logflags,  in __xfs_bunmapi()
5545 	    ifp->if_format != XFS_DINODE_FMT_EXTENTS)  in __xfs_bunmapi()
5548 		 ifp->if_format != XFS_DINODE_FMT_BTREE)  in __xfs_bunmapi()
5555 		xfs_trans_log_inode(tp, ip, logflags);  in __xfs_bunmapi()
5558 			cur->bc_ino.allocated = 0;  in __xfs_bunmapi()
5568 	struct xfs_inode	*ip,  in xfs_bunmapi()  argument
5577 	error = __xfs_bunmapi(tp, ip, bno, &len, flags, nexts);  in xfs_bunmapi()
5594 	startoff = got->br_startoff - shift;  in xfs_bmse_can_merge()
5597 	 * The extent, once shifted, must be adjacent in-file and on-disk with  in xfs_bmse_can_merge()
5600 	if ((left->br_startoff + left->br_blockcount != startoff) ||  in xfs_bmse_can_merge()
5601 	    (left->br_startblock + left->br_blockcount != got->br_startblock) ||  in xfs_bmse_can_merge()
5602 	    (left->br_state != got->br_state) ||  in xfs_bmse_can_merge()
5603 	    (left->br_blockcount + got->br_blockcount > XFS_MAX_BMBT_EXTLEN))  in xfs_bmse_can_merge()
5615  * This function assumes the caller has verified a shift-by-merge is possible
5621 	struct xfs_inode		*ip,  in xfs_bmse_merge()  argument
5630 	struct xfs_ifork		*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmse_merge()
5634 	struct xfs_mount		*mp = ip->i_mount;  in xfs_bmse_merge()
5636 	blockcount = left->br_blockcount + got->br_blockcount;  in xfs_bmse_merge()
5638 	ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));  in xfs_bmse_merge()
5639 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));  in xfs_bmse_merge()
5646 	 * Update the on-disk extent count, the btree if necessary and log the  in xfs_bmse_merge()
5649 	ifp->if_nextents--;  in xfs_bmse_merge()
5661 		return -EFSCORRUPTED;  in xfs_bmse_merge()
5667 		return -EFSCORRUPTED;  in xfs_bmse_merge()
5674 		return -EFSCORRUPTED;  in xfs_bmse_merge()
5681 	error = xfs_bmap_btree_to_extents(tp, ip, cur, logflags, whichfork);  in xfs_bmse_merge()
5686 	xfs_iext_remove(ip, icur, 0);  in xfs_bmse_merge()
5688 	xfs_iext_update_extent(ip, xfs_bmap_fork_to_state(whichfork), icur,  in xfs_bmse_merge()
5692 	xfs_rmap_unmap_extent(tp, ip, whichfork, got);  in xfs_bmse_merge()
5694 	new.br_startoff = left->br_startoff + left->br_blockcount;  in xfs_bmse_merge()
5695 	xfs_rmap_map_extent(tp, ip, whichfork, &new);  in xfs_bmse_merge()
5702 	struct xfs_inode	*ip,  in xfs_bmap_shift_update_extent()  argument
5710 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_shift_update_extent()
5716 	got->br_startoff = startoff;  in xfs_bmap_shift_update_extent()
5723 			return -EFSCORRUPTED;  in xfs_bmap_shift_update_extent()
5732 	xfs_iext_update_extent(ip, xfs_bmap_fork_to_state(whichfork), icur,  in xfs_bmap_shift_update_extent()
5736 	xfs_rmap_unmap_extent(tp, ip, whichfork, &prev);  in xfs_bmap_shift_update_extent()
5737 	xfs_rmap_map_extent(tp, ip, whichfork, got);  in xfs_bmap_shift_update_extent()
5744 	struct xfs_inode	*ip,  in xfs_bmap_collapse_extents()  argument
5750 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_collapse_extents()
5751 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_collapse_extents()
5761 		return -EFSCORRUPTED;  in xfs_bmap_collapse_extents()
5765 		return -EIO;  in xfs_bmap_collapse_extents()
5767 	ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL));  in xfs_bmap_collapse_extents()
5769 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmap_collapse_extents()
5773 	if (ifp->if_format == XFS_DINODE_FMT_BTREE) {  in xfs_bmap_collapse_extents()
5774 		cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in xfs_bmap_collapse_extents()
5775 		cur->bc_ino.flags = 0;  in xfs_bmap_collapse_extents()
5778 	if (!xfs_iext_lookup_extent(ip, ifp, *next_fsb, &icur, &got)) {  in xfs_bmap_collapse_extents()
5783 		error = -EFSCORRUPTED;  in xfs_bmap_collapse_extents()
5787 	new_startoff = got.br_startoff - offset_shift_fsb;  in xfs_bmap_collapse_extents()
5790 			error = -EINVAL;  in xfs_bmap_collapse_extents()
5795 			error = xfs_bmse_merge(tp, ip, whichfork,  in xfs_bmap_collapse_extents()
5804 			error = -EINVAL;  in xfs_bmap_collapse_extents()
5809 	error = xfs_bmap_shift_update_extent(tp, ip, whichfork, &icur, &got,  in xfs_bmap_collapse_extents()
5825 		xfs_trans_log_inode(tp, ip, logflags);  in xfs_bmap_collapse_extents()
5829 /* Make sure we won't be right-shifting an extent past the maximum bound. */
5832 	struct xfs_inode	*ip,  in xfs_bmap_can_insert_extents()  argument
5840 	ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL));  in xfs_bmap_can_insert_extents()
5842 	if (xfs_is_shutdown(ip->i_mount))  in xfs_bmap_can_insert_extents()
5843 		return -EIO;  in xfs_bmap_can_insert_extents()
5845 	xfs_ilock(ip, XFS_ILOCK_EXCL);  in xfs_bmap_can_insert_extents()
5846 	error = xfs_bmap_last_extent(NULL, ip, XFS_DATA_FORK, &got, &is_empty);  in xfs_bmap_can_insert_extents()
5849 		error = -EINVAL;  in xfs_bmap_can_insert_extents()
5850 	xfs_iunlock(ip, XFS_ILOCK_EXCL);  in xfs_bmap_can_insert_extents()
5858 	struct xfs_inode	*ip,  in xfs_bmap_insert_extents()  argument
5865 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_insert_extents()
5866 	struct xfs_ifork	*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_insert_extents()
5876 		return -EFSCORRUPTED;  in xfs_bmap_insert_extents()
5880 		return -EIO;  in xfs_bmap_insert_extents()
5882 	ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL | XFS_ILOCK_EXCL));  in xfs_bmap_insert_extents()
5884 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmap_insert_extents()
5888 	if (ifp->if_format == XFS_DINODE_FMT_BTREE) {  in xfs_bmap_insert_extents()
5889 		cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in xfs_bmap_insert_extents()
5890 		cur->bc_ino.flags = 0;  in xfs_bmap_insert_extents()
5901 		if (!xfs_iext_lookup_extent(ip, ifp, *next_fsb, &icur, &got)) {  in xfs_bmap_insert_extents()
5907 		error = -EFSCORRUPTED;  in xfs_bmap_insert_extents()
5912 		error = -EFSCORRUPTED;  in xfs_bmap_insert_extents()
5919 			error = -EINVAL;  in xfs_bmap_insert_extents()
5933 	error = xfs_bmap_shift_update_extent(tp, ip, whichfork, &icur, &got,  in xfs_bmap_insert_extents()
5949 		xfs_trans_log_inode(tp, ip, logflags);  in xfs_bmap_insert_extents()
5954  * Splits an extent into two extents at split_fsb block such that it is the
5955  * first block of the current_ext. @ext is a target extent to be split.
5956  * @split_fsb is a block where the extents is split.  If split_fsb lies in a
5957  * hole or the first block of extents, just return 0.
5962 	struct xfs_inode	*ip,  in xfs_bmap_split_extent()  argument
5966 	struct xfs_ifork		*ifp = xfs_ifork_ptr(ip, whichfork);  in xfs_bmap_split_extent()
5970 	struct xfs_mount		*mp = ip->i_mount;  in xfs_bmap_split_extent()
5971 	xfs_fsblock_t			gotblkcnt; /* new block count for got */  in xfs_bmap_split_extent()
5979 		return -EFSCORRUPTED;  in xfs_bmap_split_extent()
5983 		return -EIO;  in xfs_bmap_split_extent()
5986 	error = xfs_iread_extents(tp, ip, whichfork);  in xfs_bmap_split_extent()
5993 	if (!xfs_iext_lookup_extent(ip, ifp, split_fsb, &icur, &got) ||  in xfs_bmap_split_extent()
5997 	gotblkcnt = split_fsb - got.br_startoff;  in xfs_bmap_split_extent()
6000 	new.br_blockcount = got.br_blockcount - gotblkcnt;  in xfs_bmap_split_extent()
6003 	if (ifp->if_format == XFS_DINODE_FMT_BTREE) {  in xfs_bmap_split_extent()
6004 		cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);  in xfs_bmap_split_extent()
6005 		cur->bc_ino.flags = 0;  in xfs_bmap_split_extent()
6010 			error = -EFSCORRUPTED;  in xfs_bmap_split_extent()
6016 	xfs_iext_update_extent(ip, xfs_bmap_fork_to_state(whichfork), &icur,  in xfs_bmap_split_extent()
6029 	xfs_iext_insert(ip, &icur, &new, 0);  in xfs_bmap_split_extent()
6030 	ifp->if_nextents++;  in xfs_bmap_split_extent()
6037 			error = -EFSCORRUPTED;  in xfs_bmap_split_extent()
6044 			error = -EFSCORRUPTED;  in xfs_bmap_split_extent()
6052 	if (xfs_bmap_needs_btree(ip, whichfork)) {  in xfs_bmap_split_extent()
6056 		error = xfs_bmap_extents_to_btree(tp, ip, &cur, 0,  in xfs_bmap_split_extent()
6063 		cur->bc_ino.allocated = 0;  in xfs_bmap_split_extent()
6068 		xfs_trans_log_inode(tp, ip, logflags);  in xfs_bmap_split_extent()
6077 	return  bmap->br_startblock != HOLESTARTBLOCK &&  in xfs_bmap_is_update_needed()
6078 		bmap->br_startblock != DELAYSTARTBLOCK;  in xfs_bmap_is_update_needed()
6086 	struct xfs_inode		*ip,  in __xfs_bmap_add()  argument
6092 	trace_xfs_bmap_defer(tp->t_mountp,  in __xfs_bmap_add()
6093 			XFS_FSB_TO_AGNO(tp->t_mountp, bmap->br_startblock),  in __xfs_bmap_add()
6095 			XFS_FSB_TO_AGBNO(tp->t_mountp, bmap->br_startblock),  in __xfs_bmap_add()
6096 			ip->i_ino, whichfork,  in __xfs_bmap_add()
6097 			bmap->br_startoff,  in __xfs_bmap_add()
6098 			bmap->br_blockcount,  in __xfs_bmap_add()
6099 			bmap->br_state);  in __xfs_bmap_add()
6102 	INIT_LIST_HEAD(&bi->bi_list);  in __xfs_bmap_add()
6103 	bi->bi_type = type;  in __xfs_bmap_add()
6104 	bi->bi_owner = ip;  in __xfs_bmap_add()
6105 	bi->bi_whichfork = whichfork;  in __xfs_bmap_add()
6106 	bi->bi_bmap = *bmap;  in __xfs_bmap_add()
6108 	xfs_bmap_update_get_group(tp->t_mountp, bi);  in __xfs_bmap_add()
6109 	xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_BMAP, &bi->bi_list);  in __xfs_bmap_add()
6117 	struct xfs_inode	*ip,  in xfs_bmap_map_extent()  argument
6123 	__xfs_bmap_add(tp, XFS_BMAP_MAP, ip, XFS_DATA_FORK, PREV);  in xfs_bmap_map_extent()
6130 	struct xfs_inode	*ip,  in xfs_bmap_unmap_extent()  argument
6136 	__xfs_bmap_add(tp, XFS_BMAP_UNMAP, ip, XFS_DATA_FORK, PREV);  in xfs_bmap_unmap_extent()
6148 	struct xfs_bmbt_irec		*bmap = &bi->bi_bmap;  in xfs_bmap_finish_one()
6151 	ASSERT(tp->t_highest_agno == NULLAGNUMBER);  in xfs_bmap_finish_one()
6153 	trace_xfs_bmap_deferred(tp->t_mountp,  in xfs_bmap_finish_one()
6154 			XFS_FSB_TO_AGNO(tp->t_mountp, bmap->br_startblock),  in xfs_bmap_finish_one()
6155 			bi->bi_type,  in xfs_bmap_finish_one()
6156 			XFS_FSB_TO_AGBNO(tp->t_mountp, bmap->br_startblock),  in xfs_bmap_finish_one()
6157 			bi->bi_owner->i_ino, bi->bi_whichfork,  in xfs_bmap_finish_one()
6158 			bmap->br_startoff, bmap->br_blockcount,  in xfs_bmap_finish_one()
6159 			bmap->br_state);  in xfs_bmap_finish_one()
6161 	if (WARN_ON_ONCE(bi->bi_whichfork != XFS_DATA_FORK))  in xfs_bmap_finish_one()
6162 		return -EFSCORRUPTED;  in xfs_bmap_finish_one()
6164 	if (XFS_TEST_ERROR(false, tp->t_mountp,  in xfs_bmap_finish_one()
6166 		return -EIO;  in xfs_bmap_finish_one()
6168 	switch (bi->bi_type) {  in xfs_bmap_finish_one()
6170 		error = xfs_bmapi_remap(tp, bi->bi_owner, bmap->br_startoff,  in xfs_bmap_finish_one()
6171 				bmap->br_blockcount, bmap->br_startblock, 0);  in xfs_bmap_finish_one()
6172 		bmap->br_blockcount = 0;  in xfs_bmap_finish_one()
6175 		error = __xfs_bunmapi(tp, bi->bi_owner, bmap->br_startoff,  in xfs_bmap_finish_one()
6176 				&bmap->br_blockcount, XFS_BMAPI_REMAP, 1);  in xfs_bmap_finish_one()
6180 		error = -EFSCORRUPTED;  in xfs_bmap_finish_one()
6189 	struct xfs_inode	*ip,  in xfs_bmap_validate_extent()  argument
6193 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmap_validate_extent()
6195 	if (!xfs_verify_fileext(mp, irec->br_startoff, irec->br_blockcount))  in xfs_bmap_validate_extent()
6198 	if (XFS_IS_REALTIME_INODE(ip) && whichfork == XFS_DATA_FORK) {  in xfs_bmap_validate_extent()
6199 		if (!xfs_verify_rtext(mp, irec->br_startblock,  in xfs_bmap_validate_extent()
6200 					  irec->br_blockcount))  in xfs_bmap_validate_extent()
6203 		if (!xfs_verify_fsbext(mp, irec->br_startblock,  in xfs_bmap_validate_extent()
6204 					   irec->br_blockcount))  in xfs_bmap_validate_extent()
6207 	if (irec->br_state != XFS_EXT_NORM && whichfork != XFS_DATA_FORK)  in xfs_bmap_validate_extent()
6219 	return xfs_bmap_intent_cache != NULL ? 0 : -ENOMEM;  in xfs_bmap_intent_init_cache()