diff options
Diffstat (limited to 'fs/xfs/xfs_quota.h')
| -rw-r--r-- | fs/xfs/xfs_quota.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index e0d56489f3b2..85a4ae1a17f6 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -74,6 +74,22 @@ struct xfs_dqtrx { int64_t qt_icount_delta; /* dquot inode count changes */ }; +enum xfs_apply_dqtrx_type { + XFS_APPLY_DQTRX_COMMIT = 0, + XFS_APPLY_DQTRX_UNRESERVE, +}; + +/* + * Parameters for applying dqtrx changes to a dquot. The hook function arg + * parameter is enum xfs_apply_dqtrx_type. + */ +struct xfs_apply_dqtrx_params { + uintptr_t tx_id; + xfs_ino_t ino; + xfs_dqtype_t q_type; + xfs_dqid_t q_id; +}; + #ifdef CONFIG_XFS_QUOTA extern void xfs_trans_dup_dqinfo(struct xfs_trans *, struct xfs_trans *); extern void xfs_trans_free_dqinfo(struct xfs_trans *); @@ -114,6 +130,30 @@ xfs_quota_reserve_blkres(struct xfs_inode *ip, int64_t blocks) return xfs_trans_reserve_quota_nblks(NULL, ip, blocks, 0, false); } bool xfs_inode_near_dquot_enforcement(struct xfs_inode *ip, xfs_dqtype_t type); + +# ifdef CONFIG_XFS_LIVE_HOOKS +void xfs_trans_mod_ino_dquot(struct xfs_trans *tp, struct xfs_inode *ip, + struct xfs_dquot *dqp, unsigned int field, int64_t delta); + +struct xfs_quotainfo; + +struct xfs_dqtrx_hook { + struct xfs_hook mod_hook; + struct xfs_hook apply_hook; +}; + +void xfs_dqtrx_hook_disable(void); +void xfs_dqtrx_hook_enable(void); + +int xfs_dqtrx_hook_add(struct xfs_quotainfo *qi, struct xfs_dqtrx_hook *hook); +void xfs_dqtrx_hook_del(struct xfs_quotainfo *qi, struct xfs_dqtrx_hook *hook); +void xfs_dqtrx_hook_setup(struct xfs_dqtrx_hook *hook, notifier_fn_t mod_fn, + notifier_fn_t apply_fn); +# else +# define xfs_trans_mod_ino_dquot(tp, ip, dqp, field, delta) \ + xfs_trans_mod_dquot((tp), (dqp), (field), (delta)) +# endif /* CONFIG_XFS_LIVE_HOOKS */ + #else static inline int xfs_qm_vop_dqalloc(struct xfs_inode *ip, kuid_t kuid, kgid_t kgid, @@ -173,6 +213,12 @@ xfs_trans_reserve_quota_icreate(struct xfs_trans *tp, struct xfs_dquot *udqp, #define xfs_qm_unmount(mp) #define xfs_qm_unmount_quotas(mp) #define xfs_inode_near_dquot_enforcement(ip, type) (false) + +# ifdef CONFIG_XFS_LIVE_HOOKS +# define xfs_dqtrx_hook_enable() ((void)0) +# define xfs_dqtrx_hook_disable() ((void)0) +# endif /* CONFIG_XFS_LIVE_HOOKS */ + #endif /* CONFIG_XFS_QUOTA */ static inline int |