The patch titled
Subject: fat: add ratelimit to fat*_ent_bread()
has been added to the -mm tree. Its filename is
fat-add-ratelimit-to-fat_ent_bread.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/fat-add-ratelimit-to-fat_ent_bread.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/fat-add-ratelimit-to-fat_ent_bread.patch
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------------------------------------------------------
From: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
Subject: fat: add ratelimit to fat*_ent_bread()
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@xxxxxxxxxxxxxxxxxx
Signed-off-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
Reported-by: qianfan <qianfanguijin@xxxxxxx>
Tested-by: qianfan <qianfanguijin@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/fat/fatent.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/fs/fat/fatent.c~fat-add-ratelimit-to-fat_ent_bread
+++ a/fs/fat/fatent.c
@@ -94,7 +94,8 @@ static int fat12_ent_bread(struct super_
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_bl
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;
_
Patches currently in -mm which might be from hirofumi@xxxxxxxxxxxxxxxxxx are
fat-add-ratelimit-to-fat_ent_bread.patch
