1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2006 Silicon Graphics, Inc.
12 struct xfs_eofblocks {
17 __u64 eof_min_file_size;
20 #define SYNC_WAIT 0x0001 /* wait for i/o to complete */
21 #define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */
24 * tags for inode radix tree
26 #define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
28 #define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
29 #define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
30 #define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */
33 * Flags for xfs_iget()
35 #define XFS_IGET_CREATE 0x1
36 #define XFS_IGET_UNTRUSTED 0x2
37 #define XFS_IGET_DONTCACHE 0x4
38 #define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */
41 * flags for AG inode iterator
43 #define XFS_INODE_WALK_INEW_WAIT 0x1 /* wait on new inodes */
45 int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
46 uint flags, uint lock_flags, xfs_inode_t **ipp);
48 /* recovery needs direct inode allocation capability */
49 struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
50 void xfs_inode_free(struct xfs_inode *ip);
52 void xfs_reclaim_worker(struct work_struct *work);
54 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
55 int xfs_reclaim_inodes_count(struct xfs_mount *mp);
56 long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
58 void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
60 void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
61 void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
62 int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
63 int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip);
64 void xfs_eofblocks_worker(struct work_struct *);
65 void xfs_queue_eofblocks(struct xfs_mount *);
67 void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
68 void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
69 int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *);
70 int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
71 void xfs_cowblocks_worker(struct work_struct *);
72 void xfs_queue_cowblocks(struct xfs_mount *);
74 int xfs_inode_walk(struct xfs_mount *mp, int iter_flags,
75 int (*execute)(struct xfs_inode *ip, void *args),
78 int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
79 xfs_ino_t ino, bool *inuse);
81 void xfs_stop_block_reaping(struct xfs_mount *mp);
82 void xfs_start_block_reaping(struct xfs_mount *mp);