From: Jeff Layton <jlayton@redhat.com>
Date: Thu, 25 May 2017 06:59:52 -0400
Subject: [PATCH] cifs: set mapping error when page writeback fails in
writepage or launder_pages
Git-commit: 97b37f241672c6b369486ac270de5ab14eb354ea
Patch-mainline: v4.13-rc1
References: bsc#1144333
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Steve French <smfrench@gmail.com>
Acked-by: Aurelien Aptel <aaptel@suse.com>
---
fs/cifs/file.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index fcef70602b27..dec70b304269 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2234,14 +2234,16 @@ cifs_writepage_locked(struct page *page, struct writeback_control *wbc)
set_page_writeback(page);
retry_write:
rc = cifs_partialpagewrite(page, 0, PAGE_SIZE);
- if (rc == -EAGAIN && wbc->sync_mode == WB_SYNC_ALL)
- goto retry_write;
- else if (rc == -EAGAIN)
+ if (rc == -EAGAIN) {
+ if (wbc->sync_mode == WB_SYNC_ALL)
+ goto retry_write;
redirty_page_for_writepage(wbc, page);
- else if (rc != 0)
+ } else if (rc != 0) {
SetPageError(page);
- else
+ mapping_set_error(page->mapping, rc);
+ } else {
SetPageUptodate(page);
+ }
end_page_writeback(page);
put_page(page);
free_xid(xid);
--
2.16.4