[PATCH 2/4] afs: Do not test the return value of folio_start_writeback()

["Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>]

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

Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
 fs/afs/write.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/afs/write.c b/fs/afs/write.c
index 4a168781936b..57d05d67f0c2 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -559,8 +559,7 @@ static void afs_extend_writeback(struct address_space *mapping,
 
 			if (!folio_clear_dirty_for_io(folio))
 				BUG();
-			if (folio_start_writeback(folio))
-				BUG();
+			folio_start_writeback(folio);
 			afs_folio_start_fscache(caching, folio);
 
 			*_count -= folio_nr_pages(folio);
@@ -595,8 +594,7 @@ static ssize_t afs_write_back_from_locked_folio(struct address_space *mapping,
 
 	_enter(",%lx,%llx-%llx", folio_index(folio), start, end);
 
-	if (folio_start_writeback(folio))
-		BUG();
+	folio_start_writeback(folio);
 	afs_folio_start_fscache(caching, folio);
 
 	count -= folio_nr_pages(folio);
-- 
2.42.0