Add support to test the mb_optimize_scan mount option.
Since its value is not reflected in the "options" file in proc,
use "mb_structs_summary" to verify its value.
Signed-off-by: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx>
---
tests/ext4/053 | 21 ++++++++++++---------
1 file changed, 12 insertions(+), 9 deletions(-)
diff --git a/tests/ext4/053 b/tests/ext4/053
index e1e79592..bd92002f 100755
--- a/tests/ext4/053
+++ b/tests/ext4/053
@@ -100,6 +100,7 @@ test_mnt() {
(
ret=0
IFS=','
+ proc_path="/proc/fs/ext4/$(_short_dev $SCRATCH_DEV)"
for option in $OPTS; do
if echo $IGNORED | grep -w $option; then
continue
@@ -114,11 +115,16 @@ test_mnt() {
fi
option=${option#^}
- if echo $CHECK_MINFO | grep -w $option; then
+ if [[ $option =~ ^mb_optimize_scan=.*$ ]]; then
+ # mb_optimize_scan needs special handling
+ expected=${option#*=}
+ ret=$(cat $proc_path/mb_structs_summary | grep "optimize_scan" \
+ | awk '{ print $2 }')
+ elif echo $CHECK_MINFO | grep -w $option; then
findmnt -n -o OPTIONS $SCRATCH_DEV | grep $option
ret=$?
else
- grep $option /proc/fs/ext4/$(_short_dev $SCRATCH_DEV)/options
+ grep $option $proc_path/options
ret=$?
fi
@@ -526,13 +532,10 @@ for fstype in ext2 ext3 ext4; do
mnt prefetch_block_bitmaps removed
mnt no_prefetch_block_bitmaps
- # We don't currently have a way to know that the option has been
- # applied, so comment it out for now. This should be fixed in the
- # future.
- #mnt mb_optimize_scan=0
- #mnt mb_optimize_scan=1
- #not_mnt mb_optimize_scan=9
- #not_mnt mb_optimize_scan=
+ mnt mb_optimize_scan=0
+ mnt mb_optimize_scan=1
+ not_mnt mb_optimize_scan=9
+ not_mnt mb_optimize_scan=
mnt nombcache
mnt no_mbcache nombcache
mnt check=none removed
--
2.27.0
