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20#ifndef __XFS_EXTENT_BUSY_H__
21#define __XFS_EXTENT_BUSY_H__
22
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29
30struct xfs_extent_busy {
31 struct rb_node rb_node;
32 struct list_head list;
33 xfs_agnumber_t agno;
34 xfs_agblock_t bno;
35 xfs_extlen_t length;
36 unsigned int flags;
37#define XFS_EXTENT_BUSY_DISCARDED 0x01
38#define XFS_EXTENT_BUSY_SKIP_DISCARD 0x02
39};
40
41void
42xfs_extent_busy_insert(struct xfs_trans *tp, xfs_agnumber_t agno,
43 xfs_agblock_t bno, xfs_extlen_t len, unsigned int flags);
44
45void
46xfs_extent_busy_clear(struct xfs_mount *mp, struct list_head *list,
47 bool do_discard);
48
49int
50xfs_extent_busy_search(struct xfs_mount *mp, xfs_agnumber_t agno,
51 xfs_agblock_t bno, xfs_extlen_t len);
52
53void
54xfs_extent_busy_reuse(struct xfs_mount *mp, xfs_agnumber_t agno,
55 xfs_agblock_t fbno, xfs_extlen_t flen, bool userdata);
56
57void
58xfs_extent_busy_trim(struct xfs_alloc_arg *args, xfs_agblock_t bno,
59 xfs_extlen_t len, xfs_agblock_t *rbno, xfs_extlen_t *rlen);
60
61int
62xfs_extent_busy_ag_cmp(void *priv, struct list_head *a, struct list_head *b);
63
64static inline void xfs_extent_busy_sort(struct list_head *list)
65{
66 list_sort(NULL, list, xfs_extent_busy_ag_cmp);
67}
68
69#endif
70