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authorDave Chinner <dchinner@redhat.com>2014-05-20 07:41:43 +1000
committerDave Chinner <david@fromorbit.com>2014-05-20 07:41:43 +1000
commit32bf1deae15b67839a2f0cb233254125be73fc78 (patch)
tree9d98b04f02e5f42e4e8861de7107e6089732a227 /fs/xfs/xfs_sb.h
parentf68a373525d26d1cd7920f9d5dbf0d3aa1b9b889 (diff)
downloadop-kernel-dev-32bf1deae15b67839a2f0cb233254125be73fc78.zip
op-kernel-dev-32bf1deae15b67839a2f0cb233254125be73fc78.tar.gz
xfs: keep sb_bad_features2 the same a sb_features2
Whenever we update sb_features2, we need to update sb_bad_features2 so that they remain identical on disk. This prevents future mounts or userspace utilities from getting confused over which features the filesystem supports. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_sb.h')
-rw-r--r--fs/xfs/xfs_sb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/xfs/xfs_sb.h b/fs/xfs/xfs_sb.h
index 57f6ba1..a6a76f4 100644
--- a/fs/xfs/xfs_sb.h
+++ b/fs/xfs/xfs_sb.h
@@ -468,11 +468,13 @@ static inline void xfs_sb_version_addattr2(struct xfs_sb *sbp)
{
sbp->sb_versionnum |= XFS_SB_VERSION_MOREBITSBIT;
sbp->sb_features2 |= XFS_SB_VERSION2_ATTR2BIT;
+ sbp->sb_bad_features2 |= XFS_SB_VERSION2_ATTR2BIT;
}
static inline void xfs_sb_version_removeattr2(struct xfs_sb *sbp)
{
sbp->sb_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
+ sbp->sb_bad_features2 &= ~XFS_SB_VERSION2_ATTR2BIT;
if (!sbp->sb_features2)
sbp->sb_versionnum &= ~XFS_SB_VERSION_MOREBITSBIT;
}
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