From: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> stable inclusion from stable-v5.10.121 commit c16f1b3d72e484c3a9580ac07a852ad77d5ca8f4 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=... -------------------------------- [ 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> Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com> Acked-by: Xie XiuQi <xiexiuqi@huawei.com> --- 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 f7e3304b7802..353735032947 100644 --- a/fs/fat/fatent.c +++ b/fs/fat/fatent.c @@ -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; -- 2.20.1