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20#ifndef __XFS_EXTENT_BUSY_H__
21#define __XFS_EXTENT_BUSY_H__
22
23struct xfs_mount;
24struct xfs_trans;
25struct xfs_alloc_arg;
26
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31
32
33
34struct xfs_extent_busy {
35 struct rb_node rb_node;
36 struct list_head list;
37 xfs_agnumber_t agno;
38 xfs_agblock_t bno;
39 xfs_extlen_t length;
40 unsigned int flags;
41#define XFS_EXTENT_BUSY_DISCARDED 0x01
42#define XFS_EXTENT_BUSY_SKIP_DISCARD 0x02
43};
44
45void
46xfs_extent_busy_insert(struct xfs_trans *tp, xfs_agnumber_t agno,
47 xfs_agblock_t bno, xfs_extlen_t len, unsigned int flags);
48
49void
50xfs_extent_busy_clear(struct xfs_mount *mp, struct list_head *list,
51 bool do_discard);
52
53int
54xfs_extent_busy_search(struct xfs_mount *mp, xfs_agnumber_t agno,
55 xfs_agblock_t bno, xfs_extlen_t len);
56
57void
58xfs_extent_busy_reuse(struct xfs_mount *mp, xfs_agnumber_t agno,
59 xfs_agblock_t fbno, xfs_extlen_t flen, bool userdata);
60
61void
62xfs_extent_busy_trim(struct xfs_alloc_arg *args, xfs_agblock_t bno,
63 xfs_extlen_t len, xfs_agblock_t *rbno, xfs_extlen_t *rlen);
64
65int
66xfs_extent_busy_ag_cmp(void *priv, struct list_head *a, struct list_head *b);
67
68static inline void xfs_extent_busy_sort(struct list_head *list)
69{
70 list_sort(NULL, list, xfs_extent_busy_ag_cmp);
71}
72
73#endif
74