[PATCH 4.12 44/52] f2fs: let fill_super handle roll-forward errors

From: Greg Kroah-Hartman
Date: Mon Sep 18 2017 - 05:14:27 EST

4.12-stable review patch. If anyone has any objections, please let me know.


From: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>

commit afd2b4da40b3b567ef8d8e6881479345a2312a03 upstream.

If we set CP_ERROR_FLAG in roll-forward error, f2fs is no longer to proceed
any IOs due to f2fs_cp_error(). But, for example, if some stale data is involved
on roll-forward process, we're able to get -ENOENT, getting fs stuck.
If we get any error, let fill_super set SBI_NEED_FSCK and try to recover back
to stable point.

Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

fs/f2fs/recovery.c | 2 --
1 file changed, 2 deletions(-)

--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -599,8 +599,6 @@ out:

clear_sbi_flag(sbi, SBI_POR_DOING);
- if (err)
- set_ckpt_flags(sbi, CP_ERROR_FLAG);

/* let's drop all the directory inodes for clean checkpoint */