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| author | Luis Chamberlain <mcgrof@kernel.org> | 2022-02-14 17:48:43 -0800 |
|---|---|---|
| committer | Eryu Guan <guaneryu@gmail.com> | 2022-02-21 00:43:07 +0800 |
| commit | 115096a405bc82ca6c8b46c2c08ee1f7e77eb4b1 (patch) | |
| tree | 139be6d031fdf6751236ede096af8724e1b5d077 | |
| parent | d01e8f25f31dd34c9c296099cf5dd35f13bb29e1 (diff) | |
| download | xfstests-dev-115096a405bc82ca6c8b46c2c08ee1f7e77eb4b1.tar.gz | |
btrfs/237: adjust uuid heuristics
Using $(findmnt -n -o UUID mount-directory) only works on
util-linux v2.38, not on 2.37. Even debian-testing has util-linux
v2.37, so use a mechanism which has worked for longer to fetch the
UUID.
Without this the test fails on permission failure on accessing
the file /sys/fs/btrfs/"$uuid"/bg_reclaim_threshold as $uuid is
empty. So while at it, add a check to ensure the UUID is never
empty.
Use $AWK_PROG in case the preferred awk program is not the
preferred awk program.
Cc: Karel Zak <kzak@redhat.com>
Cc: Pankaj Raghav <p.raghav@samsung.com>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Tested-by: Adam Manzanares <a.manzanares@samsung.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
| -rwxr-xr-x | tests/btrfs/237 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tests/btrfs/237 b/tests/btrfs/237 index 5168777ee1..96940549ea 100755 --- a/tests/btrfs/237 +++ b/tests/btrfs/237 @@ -41,7 +41,14 @@ zonesize=$((zonesize << 9)) _scratch_mkfs >/dev/null 2>&1 _scratch_mount -o commit=1 # 1s commit time to speed up test -uuid=$(findmnt -n -o UUID "$SCRATCH_MNT") +uuid=$($BTRFS_UTIL_PROG filesystem show $SCRATCH_DEV |grep uuid: |\ + $AWK_PROG '{print $NF}') + +if [[ "$uuid" == "" ]]; then + echo "UUID for $SCRATCH_DEV is empty, this is not expected" + exit 1 +fi + reclaim_threshold=75 echo $reclaim_threshold > /sys/fs/btrfs/"$uuid"/bg_reclaim_threshold fill_percent=$((reclaim_threshold + 2)) |