diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_ag.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ag.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h index 5e18536dfdce..2e0aef87d633 100644 --- a/fs/xfs/libxfs/xfs_ag.h +++ b/fs/xfs/libxfs/xfs_ag.h @@ -101,6 +101,14 @@ struct xfs_perag { /* background prealloc block trimming */ struct delayed_work pag_blockgc_work; + /* + * We use xfs_drain to track the number of deferred log intent items + * that have been queued (but not yet processed) so that waiters (e.g. + * scrub) will not lock resources when other threads are in the middle + * of processing a chain of intent items only to find momentary + * inconsistencies. + */ + struct xfs_defer_drain pag_intents_drain; #endif /* __KERNEL__ */ }; @@ -134,6 +142,7 @@ void xfs_free_perag(struct xfs_mount *mp); struct xfs_perag *xfs_perag_get(struct xfs_mount *mp, xfs_agnumber_t agno); struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *mp, xfs_agnumber_t agno, unsigned int tag); +struct xfs_perag *xfs_perag_hold(struct xfs_perag *pag); void xfs_perag_put(struct xfs_perag *pag); /* Active AG references */ |