48 STATIC int xfs_iunlink_remove(struct xfs_trans *tp, struct xfs_perag *pag,
1276 		struct xfs_perag	*pag;  in xfs_link()  local
1278 		pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, sip->i_ino));  in xfs_link()
1279 		error = xfs_iunlink_remove(tp, pag, sip);  in xfs_link()
1280 		xfs_perag_put(pag);  in xfs_link()
1881 	struct xfs_perag	*pag,  in xfs_iunlink_lookup_backref()  argument
1886 	iu = rhashtable_lookup_fast(&pag->pagi_unlinked_hash, &agino,  in xfs_iunlink_lookup_backref()
1898 	struct xfs_perag	*pag,  in xfs_iunlink_insert_backref()  argument
1903 	error = rhashtable_insert_fast(&pag->pagi_unlinked_hash,  in xfs_iunlink_insert_backref()
1927 	struct xfs_perag	*pag,  in xfs_iunlink_add_backref()  argument
1933 	if (XFS_TEST_ERROR(false, pag->pag_mount, XFS_ERRTAG_IUNLINK_FALLBACK))  in xfs_iunlink_add_backref()
1940 	return xfs_iunlink_insert_backref(pag, iu);  in xfs_iunlink_add_backref()
1950 	struct xfs_perag	*pag,  in xfs_iunlink_change_backref()  argument
1958 	iu = rhashtable_lookup_fast(&pag->pagi_unlinked_hash, &agino,  in xfs_iunlink_change_backref()
1971 	error = rhashtable_remove_fast(&pag->pagi_unlinked_hash,  in xfs_iunlink_change_backref()
1984 	return xfs_iunlink_insert_backref(pag, iu);  in xfs_iunlink_change_backref()
1990 	struct xfs_perag	*pag)  in xfs_iunlink_init()  argument
1992 	return rhashtable_init(&pag->pagi_unlinked_hash,  in xfs_iunlink_init()
2011 	struct xfs_perag	*pag)  in xfs_iunlink_destroy()  argument
2015 	rhashtable_free_and_destroy(&pag->pagi_unlinked_hash,  in xfs_iunlink_destroy()
2018 	ASSERT(freed_anything == false || xfs_is_shutdown(pag->pag_mount));  in xfs_iunlink_destroy()
2028 	struct xfs_perag	*pag,  in xfs_iunlink_update_bucket()  argument
2037 	ASSERT(xfs_verify_agino_or_null(tp->t_mountp, pag->pag_agno, new_agino));  in xfs_iunlink_update_bucket()
2040 	trace_xfs_iunlink_update_bucket(tp->t_mountp, pag->pag_agno, bucket_index,  in xfs_iunlink_update_bucket()
2064 	struct xfs_perag	*pag,  in xfs_iunlink_update_dinode()  argument
2074 	ASSERT(xfs_verify_agino_or_null(mp, pag->pag_agno, next_agino));  in xfs_iunlink_update_dinode()
2076 	trace_xfs_iunlink_update_dinode(mp, pag->pag_agno, agino,  in xfs_iunlink_update_dinode()
2094 	struct xfs_perag	*pag,  in xfs_iunlink_update_inode()  argument
2104 	ASSERT(xfs_verify_agino_or_null(mp, pag->pag_agno, next_agino));  in xfs_iunlink_update_inode()
2113 	if (!xfs_verify_agino_or_null(mp, pag->pag_agno, old_value)) {  in xfs_iunlink_update_inode()
2136 	xfs_iunlink_update_dinode(tp, pag, XFS_INO_TO_AGINO(mp, ip->i_ino),  in xfs_iunlink_update_inode()
2157 	struct xfs_perag	*pag;  in xfs_iunlink()  local
2169 	pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));  in xfs_iunlink()
2172 	error = xfs_read_agi(mp, tp, pag->pag_agno, &agibp);  in xfs_iunlink()
2184 	    !xfs_verify_agino_or_null(mp, pag->pag_agno, next_agino)) {  in xfs_iunlink()
2197 		error = xfs_iunlink_update_inode(tp, ip, pag, next_agino,  in xfs_iunlink()
2207 		error = xfs_iunlink_add_backref(pag, agino, next_agino);  in xfs_iunlink()
2213 	error = xfs_iunlink_update_bucket(tp, pag, agibp, bucket_index, agino);  in xfs_iunlink()
2215 	xfs_perag_put(pag);  in xfs_iunlink()
2264 	struct xfs_perag	*pag,  in xfs_iunlink_map_prev()  argument
2280 	*agino = xfs_iunlink_lookup_backref(pag, target_agino);  in xfs_iunlink_map_prev()
2282 		error = xfs_iunlink_map_ino(tp, pag->pag_agno, *agino, imap,  in xfs_iunlink_map_prev()
2299 	trace_xfs_iunlink_map_prev_fallback(mp, pag->pag_agno);  in xfs_iunlink_map_prev()
2310 		error = xfs_iunlink_map_ino(tp, pag->pag_agno, next_agino, imap,  in xfs_iunlink_map_prev()
2320 		if (!xfs_verify_agino(mp, pag->pag_agno, unlinked_agino) ||  in xfs_iunlink_map_prev()
2340 	struct xfs_perag	*pag,  in xfs_iunlink_remove()  argument
2357 	error = xfs_read_agi(mp, tp, pag->pag_agno, &agibp);  in xfs_iunlink_remove()
2367 	if (!xfs_verify_agino(mp, pag->pag_agno, head_agino)) {  in xfs_iunlink_remove()
2378 	error = xfs_iunlink_update_inode(tp, ip, pag, NULLAGINO, &next_agino);  in xfs_iunlink_remove()
2390 		error = xfs_iunlink_change_backref(pag, next_agino, NULLAGINO);  in xfs_iunlink_remove()
2400 		error = xfs_iunlink_map_prev(tp, pag, head_agino, agino,  in xfs_iunlink_remove()
2406 		xfs_iunlink_update_dinode(tp, pag, prev_agino, last_ibp,  in xfs_iunlink_remove()
2422 	return xfs_iunlink_update_bucket(tp, pag, agibp, bucket_index,  in xfs_iunlink_remove()
2433 	struct xfs_perag	*pag,  in xfs_ifree_mark_inode_stale()  argument
2437 	struct xfs_mount	*mp = pag->pag_mount;  in xfs_ifree_mark_inode_stale()
2443 	ip = radix_tree_lookup(&pag->pag_ici_root, XFS_INO_TO_AGINO(mp, inum));  in xfs_ifree_mark_inode_stale()
2530 	struct xfs_perag	*pag,  in xfs_ifree_cluster()  argument
2593 			xfs_ifree_mark_inode_stale(pag, free_ip, inum + i);  in xfs_ifree_cluster()
2616 	struct xfs_perag	*pag;  in xfs_ifree()  local
2627 	pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));  in xfs_ifree()
2635 	error = xfs_difree(tp, pag, ip->i_ino, &xic);  in xfs_ifree()
2639 	error = xfs_iunlink_remove(tp, pag, ip);  in xfs_ifree()
2675 		error = xfs_ifree_cluster(tp, pag, ip, &xic);  in xfs_ifree()
2677 	xfs_perag_put(pag);  in xfs_ifree()
3316 		struct xfs_perag	*pag;  in xfs_rename()  local
3320 		pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, wip->i_ino));  in xfs_rename()
3321 		error = xfs_iunlink_remove(tp, pag, wip);  in xfs_rename()
3322 		xfs_perag_put(pag);  in xfs_rename()