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authorChris Mason <chris.mason@oracle.com>2012-05-31 22:50:28 +0200
committerChris Mason <chris.mason@oracle.com>2012-05-31 22:49:53 +0200
commit1e20932a23578bb1ec59107843574e259b96193f (patch)
tree844ae54293c4414fc4c232a36d0e4d4939dc35aa /fs/btrfs/extent_io.h
parentMerge branch 'for-chris' of git://git.kernel.org/pub/scm/linux/kernel/git/jos... (diff)
parentBtrfs: fix tree mod log rewinded level and rewinding of moved keys (diff)
downloadlinux-1e20932a23578bb1ec59107843574e259b96193f.tar.xz
linux-1e20932a23578bb1ec59107843574e259b96193f.zip
Merge branch 'for-chris' of git://git.jan-o-sch.net/btrfs-unstable into for-linus
Conflicts: fs/btrfs/ulist.h Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/extent_io.h')
-rw-r--r--fs/btrfs/extent_io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 4d8124b64577..25900af5b15d 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -39,6 +39,7 @@
#define EXTENT_BUFFER_STALE 6
#define EXTENT_BUFFER_WRITEBACK 7
#define EXTENT_BUFFER_IOERR 8
+#define EXTENT_BUFFER_DUMMY 9
/* these are flags for extent_clear_unlock_delalloc */
#define EXTENT_CLEAR_UNLOCK_PAGE 0x1
@@ -264,6 +265,8 @@ void set_page_extent_mapped(struct page *page);
struct extent_buffer *alloc_extent_buffer(struct extent_io_tree *tree,
u64 start, unsigned long len);
+struct extent_buffer *alloc_dummy_extent_buffer(u64 start, unsigned long len);
+struct extent_buffer *btrfs_clone_extent_buffer(struct extent_buffer *src);
struct extent_buffer *find_extent_buffer(struct extent_io_tree *tree,
u64 start, unsigned long len);
void free_extent_buffer(struct extent_buffer *eb);