diff options
| author | Dave Chinner <dchinner@redhat.com> | 2021-08-18 18:46:26 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-08-19 10:07:12 -0700 |
| commit | a1d86e8dec8c1325d301c9d5594bb794bc428fc3 (patch) | |
| tree | f71195aebaf5b4b76ff5cc534c0e393579ae9d80 /fs/xfs/libxfs/xfs_sb.h | |
| parent | e23b55d537c9be60ae918fa6c3be0d699986f346 (diff) | |
xfs: reflect sb features in xfs_mount
Currently on-disk feature checks require decoding the superblock
fileds and so can be non-trivial. We have almost 400 hundred
individual feature checks in the XFS code, so this is a significant
amount of code. To reduce runtime check overhead, pre-process all
the version flags into a features field in the xfs_mount at mount
time so we can convert all the feature checks to a simple flag
check.
There is also a need to convert the dynamic feature flags to update
the m_features field. This is required for attr, attr2 and quota
features. New xfs_mount based wrappers are added for this.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs/xfs_sb.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_sb.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_sb.h b/fs/xfs/libxfs/xfs_sb.h index 0c1602d9b53d..d2dd99cb6921 100644 --- a/fs/xfs/libxfs/xfs_sb.h +++ b/fs/xfs/libxfs/xfs_sb.h @@ -20,6 +20,7 @@ extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp); extern void xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from); extern void xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from); extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp); +extern uint64_t xfs_sb_version_to_features(struct xfs_sb *sbp); extern int xfs_update_secondary_sbs(struct xfs_mount *mp); |