diff options
Diffstat (limited to 'fs/xfs/xfs_mount.h')
| -rw-r--r-- | fs/xfs/xfs_mount.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h index a161aabd8438..62b8fe194219 100644 --- a/fs/xfs/xfs_mount.h +++ b/fs/xfs/xfs_mount.h @@ -263,6 +263,17 @@ typedef struct xfs_mount { /* online nlink check stuff */ struct xfs_hook_chain m_nlink_mod_hooks; #endif + +#if IS_ENABLED(CONFIG_XFS_ONLINE_SCRUB) && IS_ENABLED(CONFIG_XFS_RT) + /* + * Counter of live intents. We track the number of log intent items + * that have been queued (but not yet processed) so that scrub can + * detect the presence of other threads that are in the middle of + * processing a chain of deferred items. + */ + atomic_t m_rt_intents; + wait_queue_head_t m_rt_intents_wq; +#endif } xfs_mount_t; /* Parameters for xfs_bumplink/droplink hook. */ @@ -580,4 +591,26 @@ int xfs_hook_add(struct xfs_hook_chain *chain, struct notifier_block *hook, void xfs_hook_del(struct xfs_hook_chain *chain, struct notifier_block *hook); int xfs_hook_call(struct xfs_hook_chain *chain, unsigned long val, void *priv); +#if IS_ENABLED(CONFIG_XFS_ONLINE_SCRUB) +# if IS_ENABLED(CONFIG_XFS_RT) +int xfs_rt_wait_intents(struct xfs_mount *mp); +# else +# define xfs_rt_wait_intents(mp) (-ENOSYS) +# endif /* CONFIG_XFS_RT */ + +void xfs_fs_bump_intents(struct xfs_mount *mp, bool isrt, xfs_fsblock_t fsb); +void xfs_fs_drop_intents(struct xfs_mount *mp, bool isrt, xfs_fsblock_t fsb); +int xfs_perag_wait_intents(struct xfs_perag *pag); + +#else +static inline void +xfs_fs_bump_intents(struct xfs_mount *mp, bool isrt, xfs_fsblock_t fsb) { } +static inline void +xfs_fs_drop_intents(struct xfs_mount *mp, bool isrt, xfs_fsblock_t fsb) { } + +int xfs_perag_wait_intents(struct xfs_perag *pag); +# define xfs_perag_wait_intents(pag) (-ENOSYS) +# define xfs_rt_wait_intents(mp) (-ENOSYS) +#endif /* CONFIG_XFS_ONLINE_SCRUB */ + #endif /* __XFS_MOUNT_H__ */ |