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| author | David Woodhouse <dwmw2@infradead.org> | 2008-08-07 19:19:43 +0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 19:04:06 +0400 |
| commit | 2db04966ae9a3eeb57f28df9aac4e77d5b287cb1 (patch) | |
| tree | 12f42fdef9b5965c7e9970f875a6bf33ed5090f1 /fs/btrfs | |
| parent | 5036f53868ae943704ae69a192d21225dc914c35 (diff) | |
| download | linux-2db04966ae9a3eeb57f28df9aac4e77d5b287cb1.tar.xz | |
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>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/compat.h | 3 | ||||
| -rw-r--r-- | fs/btrfs/extent_io.c | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/compat.h b/fs/btrfs/compat.h index d39a768e65ff..b3349a66999d 100644 --- a/fs/btrfs/compat.h +++ b/fs/btrfs/compat.h @@ -1,6 +1,9 @@ #ifndef _COMPAT_H_ #define _COMPAT_H_ +#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,26) +#define trylock_page(page) (!TestSetPageLocked(page)) +#endif /* * Even if AppArmor isn't enabled, it still has different prototypes. diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 1cf4baba4342..f46f88620c70 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 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, 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); |