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Diffstat (limited to 'fs/xfs/xfs_quota.h')
-rw-r--r--fs/xfs/xfs_quota.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h
index e0d56489f3..85a4ae1a17 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