diff options
| author |   Darrick J. Wong <darrick.wong@oracle.com> | 2018-05-29 22:18:08 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-05-30 08:03:14 -0700 |
| commit | 0a9633fa2f9a7ae52e2068fd706e2dee10be94a0 (patch) | |
| tree | 4d0b9ccafc39c5a211520968bd5a5858f7b0e896 /fs/xfs/scrub/repair.h | |
| parent | xfs: grab the per-ag structure whenever relevant (diff) | |
| download | linux-dev-0a9633fa2f9a7ae52e2068fd706e2dee10be94a0.tar.xz linux-dev-0a9633fa2f9a7ae52e2068fd706e2dee10be94a0.zip | |
xfs: add helpers to deal with transaction allocation and rolling
For repairs, we need to reserve at least as many blocks as we think
we're going to need to rebuild the data structure, and we're going to
need some helpers to roll transactions while maintaining locks on the AG
headers so that other threads cannot wander into the middle of a repair.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Diffstat (limited to 'fs/xfs/scrub/repair.h')
| -rw-r--r-- | fs/xfs/scrub/repair.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/xfs/scrub/repair.h b/fs/xfs/scrub/repair.h index 83170dd3388c..8d181dce6171 100644 --- a/fs/xfs/scrub/repair.h +++ b/fs/xfs/scrub/repair.h @@ -32,6 +32,10 @@ static inline int xfs_repair_notsupported(struct xfs_scrub_context *sc) int xfs_repair_attempt(struct xfs_inode *ip, struct xfs_scrub_context *sc, bool *fixed); void xfs_repair_failure(struct xfs_mount *mp); +int xfs_repair_roll_ag_trans(struct xfs_scrub_context *sc); +bool xfs_repair_ag_has_space(struct xfs_perag *pag, xfs_extlen_t nr_blocks, + enum xfs_ag_resv_type type); +xfs_extlen_t xfs_repair_calc_ag_resblks(struct xfs_scrub_context *sc); /* Metadata repairers */ @@ -49,6 +53,14 @@ static inline int xfs_repair_attempt( static inline void xfs_repair_failure(struct xfs_mount *mp) {} +static inline xfs_extlen_t +xfs_repair_calc_ag_resblks( + struct xfs_scrub_context *sc) +{ + ASSERT(!(sc->sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)); + return 0; +} + #define xfs_repair_probe xfs_repair_notsupported #endif /* CONFIG_XFS_ONLINE_REPAIR */ |