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xfs: enable the rmap btree functionality

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Originally-From: Dave Chinner <dchinner@redhat.com>

Add the feature flag to the supported matrix so that the kernel can
mount and use rmap btree enabled filesystems

Signed-off-by: Dave Chinner <dchinner@redhat.com>
[darrick.wong@oracle.com: move the experimental tag]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong
2016-08-03 12:20:57 +10:00
committed by Dave Chinner
parent 04f130605f
commit 1c0607ace9
2 changed files with 6 additions and 1 deletions
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4
fs/xfs/xfs_super.c
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@@ -1574,6 +1574,10 @@ xfs_fs_fill_super(
}
}
if (xfs_sb_version_hasrmapbt(&mp->m_sb))
xfs_alert(mp,
"EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!");
error = xfs_mountfs(mp);
if (error)
goto out_filestream_unmount;