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f2fs: give a chance to mount again when encountering errors 

This patch gives another chance to try mount process when we encounter an error.
This makes an effect on the roll-forward recovery failures as well.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
wifi-calibration
Jaegeuk Kim 2014-08-08 15:37:41 -07:00
parent 6f12ac25f0
commit ed2e621a95
1 changed files with 12 additions and 1 deletions
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13
fs/f2fs/super.c
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@ -902,8 +902,10 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
struct buffer_head *raw_super_buf;
struct inode *root;
long err = -EINVAL;
bool retry = true;
int i;
try_onemore:
/* allocate memory for f2fs-specific super block info */
sbi = kzalloc(sizeof(struct f2fs_sb_info), GFP_KERNEL);
if (!sbi)
@ -1083,9 +1085,11 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
/* recover fsynced data */
if (!test_opt(sbi, DISABLE_ROLL_FORWARD)) {
err = recover_fsync_data(sbi);
if (err)
if (err) {
f2fs_msg(sb, KERN_ERR,
"Cannot recover all fsync data errno=%ld", err);
goto free_kobj;
}
}
/*
@ -1126,6 +1130,13 @@ free_sb_buf:
brelse(raw_super_buf);
free_sbi:
kfree(sbi);
/* give only one another chance */
if (retry) {
retry = !retry;
shrink_dcache_sb(sb);
goto try_onemore;
}
return err;
}