diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_rmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_rmap.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_rmap.h b/fs/xfs/libxfs/xfs_rmap.h index b7ad51055e13..2a9265218f1d 100644 --- a/fs/xfs/libxfs/xfs_rmap.h +++ b/fs/xfs/libxfs/xfs_rmap.h @@ -186,6 +186,10 @@ void xfs_rmap_finish_one_cleanup(struct xfs_trans *tp, struct xfs_btree_cur *rcur, int error); int xfs_rmap_finish_one(struct xfs_trans *tp, struct xfs_rmap_intent *ri, struct xfs_btree_cur **pcur); +int __xfs_rmap_finish_intent(struct xfs_btree_cur *rcur, + enum xfs_rmap_intent_type op, xfs_agblock_t bno, + xfs_extlen_t len, const struct xfs_owner_info *oinfo, + bool unwritten); int xfs_rmap_lookup_le_range(struct xfs_btree_cur *cur, xfs_agblock_t bno, uint64_t owner, uint64_t offset, unsigned int flags, @@ -237,4 +241,28 @@ extern struct kmem_cache *xfs_rmap_intent_cache; int __init xfs_rmap_intent_init_cache(void); void xfs_rmap_intent_destroy_cache(void); +/* + * Parameters for tracking reverse mapping changes. The hook function arg + * parameter is enum xfs_rmap_intent_type, and the rest is below. + */ +struct xfs_rmap_update_params { + xfs_agblock_t startblock; + xfs_extlen_t blockcount; + struct xfs_owner_info oinfo; + bool unwritten; +}; + +#ifdef CONFIG_XFS_LIVE_HOOKS + +struct xfs_rmap_hook { + struct xfs_hook update_hook; +}; + +void xfs_rmap_hook_disable(void); +void xfs_rmap_hook_enable(void); + +int xfs_rmap_hook_add(struct xfs_perag *pag, struct xfs_rmap_hook *hook); +void xfs_rmap_hook_del(struct xfs_perag *pag, struct xfs_rmap_hook *hook); +#endif + #endif /* __XFS_RMAP_H__ */ |