btrfs balance needs --full-balance option since 4.6, so check the
version and then use it.
As this may be useful for other btrfs tests as well, so this patch
adds _btrfs_full_balance_option() to the common/btrfs file.
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
common/btrfs | 13 +++++++++++++
tests/btrfs/124 | 3 ++-
2 files changed, 15 insertions(+), 1 deletion(-)
diff --git a/common/btrfs b/common/btrfs
index c09206c6f292..8ca6486b26dc 100644
--- a/common/btrfs
+++ b/common/btrfs
@@ -356,3 +356,16 @@ _btrfs_compression_algos()
echo "${feature#/sys/fs/btrfs/features/compress_}"
done
}
+
+#btrfs-progs adds required --full-balance option since v4.6 so check for
+#that and then return the required option.
+_btrfs_full_balance_option()
+{
+ ver=$($BTRFS_UTIL_PROG --version|awk '{print $2}'|cut -d"-" -f1 | cut -d"v" -f2)
+ tup1=$(echo $ver| cut -d"." -f1)
+ tup2=$(echo $ver| cut -d"." -f2)
+
+ RET=""
+ (("$tup1" > "4")) && RET="--full-balance"
+ (("$tup1" == "4")) && (("tup2" >= "6")) && RET="--full-balance"
+}
diff --git a/tests/btrfs/124 b/tests/btrfs/124
index a6486270a972..ec1d24b5ef42 100755
--- a/tests/btrfs/124
+++ b/tests/btrfs/124
@@ -129,7 +129,8 @@ _run_btrfs_util_prog device scan
_scratch_mount >> $seqres.full 2>&1
_run_btrfs_util_prog filesystem show
echo >> $seqres.full
-_run_btrfs_util_prog balance start ${SCRATCH_MNT}
+_btrfs_full_balance_option
+_run_btrfs_util_prog balance start $RET ${SCRATCH_MNT}
checkpoint2=`md5sum $SCRATCH_MNT/tf2`
echo $checkpoint2 >> $seqres.full 2>&1
--
2.15.0
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