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Date: Wed, 1 Jun 2022 09:53:54 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>, qianfan <qianfanguijin@....com>, Andrew Morton <akpm@...ux-foundation.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH AUTOSEL 5.17 21/48] fat: add ratelimit to fat*_ent_bread() From: OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> [ 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@...l.parknet.co.jp> Reported-by: qianfan <qianfanguijin@....com> Tested-by: qianfan <qianfanguijin@....com> Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- fs/fat/fatent.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c index 978ac6751aeb..1db348f8f887 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -94,7 +94,8 @@ 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; } @@ -107,8 +108,8 @@ 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; -- 2.35.1
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