aboutsummaryrefslogtreecommitdiffstats
path: root/fs/btrfs/extent_io.h
diff options
context:
space:
mode:
authorChris Mason <chris.mason@oracle.com>2012-05-31 16:50:28 -0400
committerChris Mason <chris.mason@oracle.com>2012-05-31 16:49:53 -0400
commit1e20932a23578bb1ec59107843574e259b96193f (patch)
tree844ae54293c4414fc4c232a36d0e4d4939dc35aa /fs/btrfs/extent_io.h
parentcfc442b69696b593cb442f09997dcb4cb5748171 (diff)
parentc31931088fd6cf953bd0868a2647b6c3928e6c96 (diff)
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 4d8124b6457..25900af5b15 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);