From: Chao Yu <yuchao0@huawei.com>
Date: Thu, 22 Apr 2021 10:19:25 +0000 (+0800)
Subject: f2fs: drop inplace IO if fs status is abnormal
X-Git-Tag: v5.15~1195^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9557727876674893d35940fddbd03d3b505e7ed8;p=platform%2Fkernel%2Flinux-starfive.git

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 efd1e57..efac388 100644
--- 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);
@@ -3567,6 +3573,15 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
 	}
 
 	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;
 }
 
 static inline int __f2fs_get_curseg(struct f2fs_sb_info *sbi,