reiserfs: Remove call to folio_set_error()

The error flag is never tested for reiserfs folios, so stop setting it.

Cc: reiserfs-devel@vger.kernel.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20240530202110.2653630-12-willy@infradead.orgSigned-off-by: Christian Brauner <brauner@kernel.org>

fs/reiserfs/inode.c

@@ -2699,7 +2699,6 @@ static int reiserfs_write_folio(struct folio *folio,
 		}
 		bh = bh->b_this_page;
 	} while (bh != head);
-	folio_set_error(folio);
 	BUG_ON(folio_test_writeback(folio));
 	folio_start_writeback(folio);
 	folio_unlock(folio);