diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2022-07-14 11:06:17 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2022-10-14 14:16:42 -0700 |
| commit | 113caabe1ca1f7082c065952ce9e328702a84b5b (patch) | |
| tree | 2c043fa5362523adfc771dbf914d75e72998f1ce /fs/xfs/xfs_quota.h | |
| parent | 7b92853d1f5466ee38c6caf1da228609d28d59ff (diff) | |
xfs: track quota updates during live quotacheck
Create a shadow dqtrx system in the quotacheck code that hooks the
regular dquot counter update code. This will be the means to keep our
copy of the dquot counters up to date while the scan runs in real time.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/xfs_quota.h')
| -rw-r--r-- | fs/xfs/xfs_quota.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index dcc785fdd345..fe63489d91b2 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 +130,29 @@ 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); + +# 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, @@ -170,6 +209,12 @@ 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 |