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fat: add ratelimit to fat*_ent_bread()

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[ Upstream commit 183c3237c928109d2008c0456dff508baf692b20 ]

fat*_ent_bread() can be the cause of too many report on I/O error path.
So use fat_msg_ratelimit() instead.

Link: https://lkml.kernel.org/r/87bkxogfeq.fsf@mail.parknet.co.jp
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reported-by: qianfan <qianfanguijin@163.com>
Tested-by: qianfan <qianfanguijin@163.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
OGAWA Hirofumi 2022-04-29 14:38:02 -07:00 committed by Greg Kroah-Hartman
parent f20c7cd2b2
commit c16f1b3d72
1 changed files with 4 additions and 3 deletions
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7
fs/fat/fatent.c
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@ -93,7 +93,8 @@ static int fat12_ent_bread(struct super_block *sb, struct fat_entry *fatent,
err_brelse:
brelse(bhs[0]);
err:
fat_msg(sb, KERN_ERR, "FAT read failed (blocknr %llu)", (llu)blocknr);
fat_msg_ratelimit(sb, KERN_ERR, "FAT read failed (blocknr %llu)",
(llu)blocknr);
return -EIO;
}
@ -106,8 +107,8 @@ static int fat_ent_bread(struct super_block *sb, struct fat_entry *fatent,
fatent->fat_inode = MSDOS_SB(sb)->fat_inode;
fatent->bhs[0] = sb_bread(sb, blocknr);
if (!fatent->bhs[0]) {
fat_msg(sb, KERN_ERR, "FAT read failed (blocknr %llu)",
(llu)blocknr);
fat_msg_ratelimit(sb, KERN_ERR, "FAT read failed (blocknr %llu)",
(llu)blocknr);
return -EIO;
}
fatent->nr_bhs = 1;