linux-ext4 - [PATCH v3 4/6] ext4/021: check _scratch_mkfs

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Date:   Fri, 18 Feb 2022 16:31:54 +0900
From:   Shin'ichiro Kawasaki <shinichiro.kawasaki@....com>
To:     fstests@...r.kernel.org, linux-btrfs@...r.kernel.org
Cc:     linux-xfs@...r.kernel.org, linux-ext4@...r.kernel.org,
        Naohiro Aota <naohiro.aota@....com>,
        Johannes Thumshirn <johannes.thumshirn@....com>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Shin'ichiro Kawasaki <shinichiro.kawasaki@....com>
Subject: [PATCH v3 4/6] ext4/021: check _scratch_mkfs_sized return code

The test cases ext4/021 calls _scratch_mkfs before _scratch_mkfs_sized,
and does not check return code of _scratch_mkfs_sized. Even if
_scratch_mkfs_sized failed, _scratch_mount after it cannot detect the
sized mkfs failure because _scratch_mkfs already created a file system
on the device. This results in unexpected test condition.

To avoid the unexpected test condition, check return code of
_scratch_mkfs_sized.

Suggested-by: Naohiro Aota <naohiro.aota@....com>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@....com>
Reviewed-by: Darrick J. Wong <djwong@...nel.org>
---
 tests/ext4/021 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/ext4/021 b/tests/ext4/021
index 62768c60..a9277abf 100755
--- a/tests/ext4/021
+++ b/tests/ext4/021
@@ -24,7 +24,7 @@ _scratch_unmount
 
 # With 4k block size, this amounts to 10M FS instance.
 fssize=$((2560 * $blocksize))
-_scratch_mkfs_sized $fssize >> $seqres.full 2>&1
+_scratch_mkfs_sized $fssize >> $seqres.full 2>&1 || _fail "mkfs failed"
 _require_metadata_journaling $SCRATCH_DEV
 
 offset=0
-- 
2.34.1