xfs: add a incompat feature bit for parent pointers
Create an incompat feature bit and a fs geometry flag so that we can enable the feature in the ondisk superblock and advertise its existence to userspace. Signed-off-by: Mark Tinguely <mark.tinguely@oracle.com> Signed-off-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
parent
7dafb449b7
commit
5f98ec1cb5
@ -374,6 +374,7 @@ xfs_sb_has_ro_compat_feature(
|
||||
#define XFS_SB_FEAT_INCOMPAT_NEEDSREPAIR (1 << 4) /* needs xfs_repair */
|
||||
#define XFS_SB_FEAT_INCOMPAT_NREXT64 (1 << 5) /* large extent counters */
|
||||
#define XFS_SB_FEAT_INCOMPAT_EXCHRANGE (1 << 6) /* exchangerange supported */
|
||||
#define XFS_SB_FEAT_INCOMPAT_PARENT (1 << 7) /* parent pointers */
|
||||
#define XFS_SB_FEAT_INCOMPAT_ALL \
|
||||
(XFS_SB_FEAT_INCOMPAT_FTYPE | \
|
||||
XFS_SB_FEAT_INCOMPAT_SPINODES | \
|
||||
|
@ -240,6 +240,7 @@ typedef struct xfs_fsop_resblks {
|
||||
#define XFS_FSOP_GEOM_FLAGS_INOBTCNT (1 << 22) /* inobt btree counter */
|
||||
#define XFS_FSOP_GEOM_FLAGS_NREXT64 (1 << 23) /* large extent counters */
|
||||
#define XFS_FSOP_GEOM_FLAGS_EXCHANGE_RANGE (1 << 24) /* exchange range */
|
||||
#define XFS_FSOP_GEOM_FLAGS_PARENT (1 << 25) /* linux parent pointers */
|
||||
|
||||
/*
|
||||
* Minimum and maximum sizes need for growth checks.
|
||||
|
@ -178,6 +178,8 @@ xfs_sb_version_to_features(
|
||||
features |= XFS_FEAT_NREXT64;
|
||||
if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_EXCHRANGE)
|
||||
features |= XFS_FEAT_EXCHANGE_RANGE;
|
||||
if (sbp->sb_features_incompat & XFS_SB_FEAT_INCOMPAT_PARENT)
|
||||
features |= XFS_FEAT_PARENT;
|
||||
|
||||
return features;
|
||||
}
|
||||
@ -1254,6 +1256,8 @@ xfs_fs_geometry(
|
||||
geo->flags |= XFS_FSOP_GEOM_FLAGS_BIGTIME;
|
||||
if (xfs_has_inobtcounts(mp))
|
||||
geo->flags |= XFS_FSOP_GEOM_FLAGS_INOBTCNT;
|
||||
if (xfs_has_parent(mp))
|
||||
geo->flags |= XFS_FSOP_GEOM_FLAGS_PARENT;
|
||||
if (xfs_has_sector(mp)) {
|
||||
geo->flags |= XFS_FSOP_GEOM_FLAGS_SECTOR;
|
||||
geo->logsectsize = sbp->sb_logsectsize;
|
||||
|
@ -1746,6 +1746,10 @@ xfs_fs_fill_super(
|
||||
xfs_warn(mp,
|
||||
"EXPERIMENTAL exchange-range feature enabled. Use at your own risk!");
|
||||
|
||||
if (xfs_has_parent(mp))
|
||||
xfs_warn(mp,
|
||||
"EXPERIMENTAL parent pointer feature enabled. Use at your own risk!");
|
||||
|
||||
error = xfs_mountfs(mp);
|
||||
if (error)
|
||||
goto out_filestream_unmount;
|
||||
|
Loading…
Reference in New Issue
Block a user