ext4: improve error msg for ext4_mb_seq_groups_show
authoryangerkun <yangerkun@huawei.com>
Thu, 18 Jan 2024 04:25:57 +0000 (12:25 +0800)
committerTheodore Ts'o <tytso@mit.edu>
Thu, 22 Feb 2024 03:33:21 +0000 (22:33 -0500)
commit4b55d3431ce5ce906480f95391b7af4fecfa2d84
tree8a0d8a925d24088e83d86f8931ccba15cb48f65f
parent250448802cda4f4f698ebf946b3a2d2a40423972
ext4: improve error msg for ext4_mb_seq_groups_show

While cat mb_groups for a mounted ext4 image which has some corrupted
group, the string return to userspace was just "I/O error" which confuse
me a lot. Improve it with ext4_decode_error.

Signed-off-by: yangerkun <yangerkun@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20240118042557.380058-2-yangerkun@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/mballoc.c