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1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000-2006 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#ifndef XFS_SYNC_H
7#define XFS_SYNC_H 1
8
9struct xfs_mount;
10struct xfs_perag;
11
12struct xfs_icwalk {
13 __u32 icw_flags;
14 kuid_t icw_uid;
15 kgid_t icw_gid;
16 prid_t icw_prid;
17 __u64 icw_min_file_size;
18 long icw_scan_limit;
19};
20
21/* Flags that reflect xfs_fs_eofblocks functionality. */
22#define XFS_ICWALK_FLAG_SYNC (1U << 0) /* sync/wait mode scan */
23#define XFS_ICWALK_FLAG_UID (1U << 1) /* filter by uid */
24#define XFS_ICWALK_FLAG_GID (1U << 2) /* filter by gid */
25#define XFS_ICWALK_FLAG_PRID (1U << 3) /* filter by project id */
26#define XFS_ICWALK_FLAG_MINFILESIZE (1U << 4) /* filter by min file size */
27
28#define XFS_ICWALK_FLAGS_VALID (XFS_ICWALK_FLAG_SYNC | \
29 XFS_ICWALK_FLAG_UID | \
30 XFS_ICWALK_FLAG_GID | \
31 XFS_ICWALK_FLAG_PRID | \
32 XFS_ICWALK_FLAG_MINFILESIZE)
33
34/*
35 * Flags for xfs_iget()
36 */
37#define XFS_IGET_CREATE (1U << 0)
38#define XFS_IGET_UNTRUSTED (1U << 1)
39#define XFS_IGET_DONTCACHE (1U << 2)
40/* don't read from disk or reinit */
41#define XFS_IGET_INCORE (1U << 3)
42/* Return -EAGAIN immediately if the inode is unavailable. */
43#define XFS_IGET_NORETRY (1U << 4)
44
45int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
46 uint flags, uint lock_flags, xfs_inode_t **ipp);
47
48/* recovery needs direct inode allocation capability */
49struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
50void xfs_inode_free(struct xfs_inode *ip);
51
52void xfs_reclaim_worker(struct work_struct *work);
53
54void xfs_reclaim_inodes(struct xfs_mount *mp);
55long xfs_reclaim_inodes_count(struct xfs_mount *mp);
56long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan);
57
58void xfs_inode_mark_reclaimable(struct xfs_inode *ip);
59
60int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp,
61 struct xfs_dquot *gdqp, struct xfs_dquot *pdqp,
62 unsigned int iwalk_flags);
63int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags);
64int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm);
65int xfs_blockgc_flush_all(struct xfs_mount *mp);
66
67void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
68void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
69
70void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
71void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
72
73void xfs_blockgc_worker(struct work_struct *work);
74void xfs_blockgc_stop(struct xfs_mount *mp);
75void xfs_blockgc_start(struct xfs_mount *mp);
76
77void xfs_inodegc_worker(struct work_struct *work);
78void xfs_inodegc_push(struct xfs_mount *mp);
79int xfs_inodegc_flush(struct xfs_mount *mp);
80void xfs_inodegc_stop(struct xfs_mount *mp);
81void xfs_inodegc_start(struct xfs_mount *mp);
82int xfs_inodegc_register_shrinker(struct xfs_mount *mp);
83
84#endif
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000-2006 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#ifndef XFS_SYNC_H
7#define XFS_SYNC_H 1
8
9struct xfs_mount;
10struct xfs_perag;
11
12struct xfs_eofblocks {
13 __u32 eof_flags;
14 kuid_t eof_uid;
15 kgid_t eof_gid;
16 prid_t eof_prid;
17 __u64 eof_min_file_size;
18};
19
20/*
21 * tags for inode radix tree
22 */
23#define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
24 in xfs_inode_walk */
25#define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
26#define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
27#define XFS_ICI_COWBLOCKS_TAG 2 /* inode can have cow blocks to gc */
28
29/*
30 * Flags for xfs_iget()
31 */
32#define XFS_IGET_CREATE 0x1
33#define XFS_IGET_UNTRUSTED 0x2
34#define XFS_IGET_DONTCACHE 0x4
35#define XFS_IGET_INCORE 0x8 /* don't read from disk or reinit */
36
37/*
38 * flags for AG inode iterator
39 */
40#define XFS_INODE_WALK_INEW_WAIT 0x1 /* wait on new inodes */
41
42int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
43 uint flags, uint lock_flags, xfs_inode_t **ipp);
44
45/* recovery needs direct inode allocation capability */
46struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
47void xfs_inode_free(struct xfs_inode *ip);
48
49void xfs_reclaim_worker(struct work_struct *work);
50
51void xfs_reclaim_inodes(struct xfs_mount *mp);
52int xfs_reclaim_inodes_count(struct xfs_mount *mp);
53long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
54
55void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
56
57void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
58void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
59int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
60int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip);
61void xfs_eofblocks_worker(struct work_struct *);
62void xfs_queue_eofblocks(struct xfs_mount *);
63
64void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
65void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
66int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *);
67int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
68void xfs_cowblocks_worker(struct work_struct *);
69void xfs_queue_cowblocks(struct xfs_mount *);
70
71int xfs_inode_walk(struct xfs_mount *mp, int iter_flags,
72 int (*execute)(struct xfs_inode *ip, void *args),
73 void *args, int tag);
74
75int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
76 xfs_ino_t ino, bool *inuse);
77
78void xfs_stop_block_reaping(struct xfs_mount *mp);
79void xfs_start_block_reaping(struct xfs_mount *mp);
80
81#endif