Btrfs: Change TestSetPageLocked() to trylock_page()
Add backwards compatibility in compat.h
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
compat.h | 3 +++
extent_io.c | 3 ++-
2 files changed, 5 insertions(+), 1 deletions(-)
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 1cf4bab..f46f886 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -14,6 +14,7 @@
#include <linux/pagevec.h>
#include "extent_io.h"
#include "extent_map.h"
+#include "compat.h"
/* temporary define until extent_map moves out of btrfs */
struct kmem_cache *btrfs_cache_create(const char *name, size_t size,
@@ -3055,7 +3056,7 @@
for (i = start_i; i < num_pages; i++) {
page = extent_buffer_page(eb, i);
if (!wait) {
- if (TestSetPageLocked(page))
+ if (!trylock_page(page))
goto unlock_exit;
} else {
lock_page(page);