patch-2.1.37 linux/fs/buffer.c

• Lines: 15
• Date: Mon May 12 10:35:42 1997
• Orig file: v2.1.36/linux/fs/buffer.c
• Orig date: Wed Apr 23 19:01:22 1997

diff -u --recursive --new-file v2.1.36/linux/fs/buffer.c linux/fs/buffer.c
@@ -1120,11 +1120,11 @@
 /* Run the hooks that have to be done when a page I/O has completed. */
 static inline void after_unlock_page (struct page * page)
 {
-	if (clear_bit(PG_decr_after, &page->flags))
+	if (test_and_clear_bit(PG_decr_after, &page->flags))
 		atomic_dec(&nr_async_pages);
-	if (clear_bit(PG_free_after, &page->flags))
+	if (test_and_clear_bit(PG_free_after, &page->flags))
 		__free_page(page);
-	if (clear_bit(PG_swap_unlock_after, &page->flags))
+	if (test_and_clear_bit(PG_swap_unlock_after, &page->flags))
 		swap_after_unlock_page(page->swap_unlock_entry);
 }