f2fs: drop inplace IO if fs status is abnormal

If filesystem has cp_error or need_fsck status, let's drop inplace IO
to avoid further corruption of fs data.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index efd1e57384b989ad0b63d5f9875418d56260e85b..efac388d246837e4cf5e6defe850a28008432b01 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3552,7 +3552,13 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
                set_sbi_flag(sbi, SBI_NEED_FSCK);
                f2fs_warn(sbi, "%s: incorrect segment(%u) type, run fsck to fix.",
                          __func__, segno);
-               return -EFSCORRUPTED;
+               err = -EFSCORRUPTED;
+               goto drop_bio;
+       }
+
+       if (is_sbi_flag_set(sbi, SBI_NEED_FSCK) || f2fs_cp_error(sbi)) {
+               err = -EIO;
+               goto drop_bio;
        }
 
        stat_inc_inplace_blocks(fio->sbi);
@@ -3566,6 +3572,15 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
                f2fs_update_iostat(fio->sbi, fio->io_type, F2FS_BLKSIZE);
        }
 
+       return err;
+drop_bio:
+       if (fio->bio) {
+               struct bio *bio = *(fio->bio);
+
+               bio->bi_status = BLK_STS_IOERR;
+               bio_endio(bio);
+               fio->bio = NULL;
+       }
        return err;
 }