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defrag: require extents support for ext4 defrag

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The e4defrag program requires the use of fallocate, which in turn
means that the file system must have extents.  Enforce this
requirement so we don't get test failure noise when testing ext4's
ext3 compatibility.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Theodore Ts'o
2016-02-29 10:18:17 +11:00
committed by Dave Chinner
parent d0a255e43a
commit 902223bdbb
1 changed files with 3 additions and 1 deletions
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common/defrag
+3 -1
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@@ -27,7 +27,9 @@ _require_defrag()
DEFRAG_PROG="$XFS_FSR_PROG"
;;
ext4|ext4dev)
DEFRAG_PROG="$E4DEFRAG_PROG"
DEFRAG_PROG="$E4DEFRAG_PROG"
dumpe2fs -h $SCRATCH_DEV 2> /dev/null | grep -wq extent || \
_notrun "file system does not have extents, needed for defrag"
;;
btrfs)
DEFRAG_PROG="$BTRFS_UTIL_PROG filesystem defragment"