summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_icache.h
blob: 18c2d224aa78b7585272d489b3e09e61d329775f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2006 Silicon Graphics, Inc.
 * All Rights Reserved.
 */
#ifndef XFS_SYNC_H
#define XFS_SYNC_H 1

struct xfs_mount;
struct xfs_perag;

struct xfs_icwalk {
	__u32		icw_flags;
	kuid_t		icw_uid;
	kgid_t		icw_gid;
	prid_t		icw_prid;
	__u64		icw_min_file_size;
	long		icw_scan_limit;
};

/* Flags that reflect xfs_fs_eofblocks functionality. */
#define XFS_ICWALK_FLAG_SYNC		(1U << 0) /* sync/wait mode scan */
#define XFS_ICWALK_FLAG_UID		(1U << 1) /* filter by uid */
#define XFS_ICWALK_FLAG_GID		(1U << 2) /* filter by gid */
#define XFS_ICWALK_FLAG_PRID		(1U << 3) /* filter by project id */
#define XFS_ICWALK_FLAG_MINFILESIZE	(1U << 4) /* filter by min file size */

#define XFS_ICWALK_FLAGS_VALID		(XFS_ICWALK_FLAG_SYNC | \
					 XFS_ICWALK_FLAG_UID | \
					 XFS_ICWALK_FLAG_GID | \
					 XFS_ICWALK_FLAG_PRID | \
					 XFS_ICWALK_FLAG_MINFILESIZE)

/*
 * Flags for xfs_iget()
 */
#define XFS_IGET_CREATE		0x1
#define XFS_IGET_UNTRUSTED	0x2
#define XFS_IGET_DONTCACHE	0x4
#define XFS_IGET_INCORE		0x8	/* don't read from disk or reinit */

int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
	     uint flags, uint lock_flags, xfs_inode_t **ipp);

/* recovery needs direct inode allocation capability */
struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
void xfs_inode_free(struct xfs_inode *ip);

void xfs_reclaim_worker(struct work_struct *work);

void xfs_reclaim_inodes(struct xfs_mount *mp);
long xfs_reclaim_inodes_count(struct xfs_mount *mp);
long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan);

void xfs_inode_mark_reclaimable(struct xfs_inode *ip);

int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp,
		struct xfs_dquot *gdqp, struct xfs_dquot *pdqp,
		unsigned int iwalk_flags);
int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags);
int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm);
void xfs_blockgc_flush_all(struct xfs_mount *mp);

void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);

void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);

void xfs_blockgc_worker(struct work_struct *work);

int xfs_icache_inode_is_allocated(struct xfs_mount *mp, struct xfs_trans *tp,
				  xfs_ino_t ino, bool *inuse);

void xfs_blockgc_stop(struct xfs_mount *mp);
void xfs_blockgc_start(struct xfs_mount *mp);

void xfs_inodegc_worker(struct work_struct *work);
void xfs_inodegc_flush(struct xfs_mount *mp);
void xfs_inodegc_stop(struct xfs_mount *mp);
void xfs_inodegc_start(struct xfs_mount *mp);
void xfs_inodegc_cpu_dead(struct xfs_mount *mp, unsigned int cpu);

#endif