xfstests: rename RETAIN_AG_BYTES

Rename the $RETAIN_AG_BYTES variable to be more generic so that it
reflects the fact that it is designed to retain a certain amount of
extra free space above the default amount in the filesystem when
doing large scratch device testing.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Rich Johnston <rjohnston@sgi.com>
Signed-off-by: Rich Johnston <rjohnston@sgi.com>

diff --git a/common.rc b/common.rc
index edf0318f4e03f55139cd853cd631fbbcbd9d7c12..42d2ddcf7ba30e09084cef3c8518313af67157cf 100644 (file)
--- a/common.rc
+++ b/common.rc
@@ -311,8 +311,8 @@ _scratch_mkfs_xfs()
     rm -f $tmp_dir.mkfserr $tmp_dir.mkfsstd
 
     if [ "$LARGE_SCRATCH_DEV" = yes ]; then
-        [ -z "$RETAIN_AG_BYTES" ] && RETAIN_AG_BYTES=0
-        ./tools/ag-wipe -q -r $RETAIN_AG_BYTES $SCRATCH_DEV
+        [ -z "$SCRATCH_DEV_EMPTY_SPACE" ] && SCRATCH_DEV_EMPTY_SPACE=0
+        ./tools/ag-wipe -q -r $SCRATCH_DEV_EMPTY_SPACE $SCRATCH_DEV
     fi
 
     return $mkfs_status