On 22/03/14 04:02PM, Ojaswin Mujoo wrote: > 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. Yes, I think we can do this. Thanks for identifying it. > > Signed-off-by: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx> Overall the patch looks good to me. Feel free to add Reviewed-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx> > --- > tests/ext4/053 | 21 ++++++++++++--------- > 1 file changed, 12 insertions(+), 9 deletions(-) <Some stats> I ran this test of yours with and w/o your kernel fix for this mount option, which is now sitting in ext4 dev tree [1]. <with kernel fix> ext4/053 173s ... 147s Ran: ext4/053 Passed all 1 tests <w/o kernel fix> ext4/053 173s ... [failed, exit status 2]- output mismatch (see /home/qemu/work/tools/xfstests-dev/results//ext4_4k/ext4/053.out.bad) --- tests/ext4/053.out 2022-01-03 11:50:08.671463501 +0530 +++ /home/qemu/work/tools/xfstests-dev/results//ext4_4k/ext4/053.out.bad 2022-03-14 18:26:12.290610687 +0530 @@ -1,2 +1,4 @@ QA output created by 053 Silence is golden. +mounting ext3 "mb_optimize_scan=1" checking "mb_optimize_scan=1" (not found) FAILED +mounting ext4 "mb_optimize_scan=1" checking "mb_optimize_scan=1" (not found) FAILED ... (Run 'diff -u /home/qemu/work/tools/xfstests-dev/tests/ext4/053.out /home/qemu/work/tools/xfstests-dev/results//ext4_4k/ext4/053.out.bad' to see the entire diff) Ran: ext4/053 Failures: ext4/053 Failed 1 of 1 tests [1]: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?h=dev&id=27b38686a3bb601db48901dbc4e2fc5d77ffa2c1