[PATCH] ovl: don't set the superblock's errseq_t manually

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Since commit 5679897eb104 ("vfs: make sync_filesystem return errors from
->sync_fs"), the return value from sync_fs callback can be seen in
sync_filesystem(). Thus the errseq_set opreation can be removed here.

Signed-off-by: Haifeng Xu <haifeng.xu@xxxxxxxxxx>
---
 fs/overlayfs/super.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 06a231970cb5..fe511192f83c 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -202,15 +202,9 @@ static int ovl_sync_fs(struct super_block *sb, int wait)
 	int ret;
 
 	ret = ovl_sync_status(ofs);
-	/*
-	 * We have to always set the err, because the return value isn't
-	 * checked in syncfs, and instead indirectly return an error via
-	 * the sb's writeback errseq, which VFS inspects after this call.
-	 */
-	if (ret < 0) {
-		errseq_set(&sb->s_wb_err, -EIO);
+
+	if (ret < 0)
 		return -EIO;
-	}
 
 	if (!ret)
 		return ret;
-- 
2.25.1





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