45 #define XFS_WRITEIO_ALIGN(mp,off)	(((off) >> mp->m_writeio_log) \  argument
46 						<< mp->m_writeio_log)
54 	struct xfs_mount	*mp = ip->i_mount;  in xfs_bmbt_to_iomap()  local
69 	iomap->offset = XFS_FSB_TO_B(mp, imap->br_startoff);  in xfs_bmbt_to_iomap()
70 	iomap->length = XFS_FSB_TO_B(mp, imap->br_blockcount);  in xfs_bmbt_to_iomap()
80 	struct xfs_mount	*mp = ip->i_mount;  in xfs_eof_alignment()  local
92 		if (mp->m_swidth && (mp->m_flags & XFS_MOUNT_SWALLOC))  in xfs_eof_alignment()
93 			align = mp->m_swidth;  in xfs_eof_alignment()
94 		else if (mp->m_dalign)  in xfs_eof_alignment()
95 			align = mp->m_dalign;  in xfs_eof_alignment()
97 		if (align && XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, align))  in xfs_eof_alignment()
161 	xfs_mount_t	*mp = ip->i_mount;  in xfs_iomap_write_direct()  local
184 	offset_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_iomap_write_direct()
185 	last_fsb = XFS_B_TO_FSB(mp, ((xfs_ufsize_t)(offset + count)));  in xfs_iomap_write_direct()
211 		resrtextents /= mp->m_sb.sb_rextsize;  in xfs_iomap_write_direct()
212 		resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0);  in xfs_iomap_write_direct()
216 		resblks = qblocks = XFS_DIOSTRAT_SPACE_RES(mp, resaligned);  in xfs_iomap_write_direct()
246 			resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;  in xfs_iomap_write_direct()
249 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, resrtextents,  in xfs_iomap_write_direct()
394 	struct xfs_mount	*mp = ip->i_mount;  in xfs_iomap_prealloc_size()  local
396 	xfs_fileoff_t		offset_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_iomap_prealloc_size()
407 	if (!(mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) &&  in xfs_iomap_prealloc_size()
408 	    (XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_writeio_blocks)))  in xfs_iomap_prealloc_size()
415 	if ((mp->m_flags & XFS_MOUNT_DFLT_IOSIZE) ||  in xfs_iomap_prealloc_size()
416 	    XFS_ISIZE(ip) < XFS_FSB_TO_B(mp, mp->m_dalign) ||  in xfs_iomap_prealloc_size()
419 		return mp->m_writeio_blocks;  in xfs_iomap_prealloc_size()
440 		alloc_blocks = XFS_B_TO_FSB(mp, offset);  in xfs_iomap_prealloc_size()
455 	freesp = percpu_counter_read_positive(&mp->m_fdblocks);  in xfs_iomap_prealloc_size()
456 	if (freesp < mp->m_low_space[XFS_LOWSP_5_PCNT]) {  in xfs_iomap_prealloc_size()
458 		if (freesp < mp->m_low_space[XFS_LOWSP_4_PCNT])  in xfs_iomap_prealloc_size()
460 		if (freesp < mp->m_low_space[XFS_LOWSP_3_PCNT])  in xfs_iomap_prealloc_size()
462 		if (freesp < mp->m_low_space[XFS_LOWSP_2_PCNT])  in xfs_iomap_prealloc_size()
464 		if (freesp < mp->m_low_space[XFS_LOWSP_1_PCNT])  in xfs_iomap_prealloc_size()
512 	if (alloc_blocks < mp->m_writeio_blocks)  in xfs_iomap_prealloc_size()
513 		alloc_blocks = mp->m_writeio_blocks;  in xfs_iomap_prealloc_size()
515 				      mp->m_writeio_blocks);  in xfs_iomap_prealloc_size()
527 	struct xfs_mount	*mp = ip->i_mount;  in xfs_file_iomap_begin_delay()  local
529 	xfs_fileoff_t		offset_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_file_iomap_begin_delay()
531 		XFS_B_TO_FSB(mp, mp->m_super->s_maxbytes);  in xfs_file_iomap_begin_delay()
546 	     mp, XFS_ERRTAG_BMAPIFORMAT))) {  in xfs_file_iomap_begin_delay()
547 		XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp);  in xfs_file_iomap_begin_delay()
552 	XFS_STATS_INC(mp, xs_blk_mapw);  in xfs_file_iomap_begin_delay()
565 			end_fsb = min(XFS_B_TO_FSB(mp, offset + count),  in xfs_file_iomap_begin_delay()
591 	end_fsb = min(XFS_B_TO_FSB(mp, offset + count), maxbytes_fsb);  in xfs_file_iomap_begin_delay()
600 			end_offset = XFS_WRITEIO_ALIGN(mp, offset + count - 1);  in xfs_file_iomap_begin_delay()
601 			p_end_fsb = XFS_B_TO_FSBT(mp, end_offset) +  in xfs_file_iomap_begin_delay()
673 	xfs_mount_t	*mp = ip->i_mount;  in xfs_iomap_write_allocate()  local
695 	offset_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_iomap_write_allocate()
699 	XFS_STATS_ADD(mp, xs_xstrat_bytes, XFS_FSB_TO_B(mp, count_fsb));  in xfs_iomap_write_allocate()
712 			nres = XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK);  in xfs_iomap_write_allocate()
719 			error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0,  in xfs_iomap_write_allocate()
761 			end_fsb = XFS_B_TO_FSB(mp, XFS_ISIZE(ip));  in xfs_iomap_write_allocate()
808 			XFS_STATS_INC(mp, xs_xstrat_quick);  in xfs_iomap_write_allocate()
835 	xfs_mount_t	*mp = ip->i_mount;  in xfs_iomap_write_unwritten()  local
851 	offset_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_iomap_write_unwritten()
852 	count_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)offset + count);  in xfs_iomap_write_unwritten()
865 	resblks = XFS_DIOSTRAT_SPACE_RES(mp, 0) << 1;  in xfs_iomap_write_unwritten()
877 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0,  in xfs_iomap_write_unwritten()
901 		i_size = XFS_FSB_TO_B(mp, offset_fsb + count_fsb);  in xfs_iomap_write_unwritten()
976 	struct xfs_mount	*mp = ip->i_mount;  in xfs_file_iomap_begin()  local
983 	if (XFS_FORCED_SHUTDOWN(mp))  in xfs_file_iomap_begin()
1004 	ASSERT(offset <= mp->m_super->s_maxbytes);  in xfs_file_iomap_begin()
1005 	if ((xfs_fsize_t)offset + length > mp->m_super->s_maxbytes)  in xfs_file_iomap_begin()
1006 		length = mp->m_super->s_maxbytes - offset;  in xfs_file_iomap_begin()
1007 	offset_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_file_iomap_begin()
1008 	end_fsb = XFS_B_TO_FSB(mp, offset + length);  in xfs_file_iomap_begin()
1046 		length = XFS_FSB_TO_B(mp, end_fsb) - offset;  in xfs_file_iomap_begin()
1107 	struct xfs_mount	*mp = ip->i_mount;  in xfs_file_iomap_end_delalloc()  local
1116 	if (XFS_TEST_ERROR(false, mp, XFS_ERRTAG_DROP_WRITES)) {  in xfs_file_iomap_end_delalloc()
1127 		start_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_file_iomap_end_delalloc()
1129 		start_fsb = XFS_B_TO_FSB(mp, offset + written);  in xfs_file_iomap_end_delalloc()
1130 	end_fsb = XFS_B_TO_FSB(mp, offset + length);  in xfs_file_iomap_end_delalloc()
1141 		truncate_pagecache_range(VFS_I(ip), XFS_FSB_TO_B(mp, start_fsb),  in xfs_file_iomap_end_delalloc()
1142 					 XFS_FSB_TO_B(mp, end_fsb) - 1);  in xfs_file_iomap_end_delalloc()
1149 		if (error && !XFS_FORCED_SHUTDOWN(mp)) {  in xfs_file_iomap_end_delalloc()
1150 			xfs_alert(mp, "%s: unable to clean up ino %lld",  in xfs_file_iomap_end_delalloc()
1188 	struct xfs_mount	*mp = ip->i_mount;  in xfs_xattr_iomap_begin()  local
1189 	xfs_fileoff_t		offset_fsb = XFS_B_TO_FSBT(mp, offset);  in xfs_xattr_iomap_begin()
1190 	xfs_fileoff_t		end_fsb = XFS_B_TO_FSB(mp, offset + length);  in xfs_xattr_iomap_begin()
1195 	if (XFS_FORCED_SHUTDOWN(mp))  in xfs_xattr_iomap_begin()