From: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Tue, 18 Jul 2023 17:26:46 +0000 (-0400)
Subject: smb: Do not test the return value of folio_start_writeback()
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f81712c3d48acad8e46d13b464e05f86c40ef81c;p=users%2Fwilly%2Fpagecache.git

smb: Do not test the return value of folio_start_writeback()

In preparation for removing the return value entirely, stop testing it
in smb.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---

diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index 2108b3b40ce92..5dc36dc2e76b4 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -2705,8 +2705,7 @@ static void cifs_extend_writeback(struct address_space *mapping,
 			 */
 			if (!folio_clear_dirty_for_io(folio))
 				WARN_ON(1);
-			if (folio_start_writeback(folio))
-				WARN_ON(1);
+			folio_start_writeback(folio);
 
 			*_count -= folio_nr_pages(folio);
 			folio_unlock(folio);
@@ -2741,8 +2740,7 @@ static ssize_t cifs_write_back_from_locked_folio(struct address_space *mapping,
 	int rc;
 
 	/* The folio should be locked, dirty and not undergoing writeback. */
-	if (folio_start_writeback(folio))
-		WARN_ON(1);
+	folio_start_writeback(folio);
 
 	count -= folio_nr_pages(folio);
 	len = folio_size(folio);