path: root/fs/btrfs/extent_map.h
diff options
authorLi Zefan <lizf@cn.fujitsu.com>2010-12-17 14:21:50 +0800
committerLi Zefan <lizf@cn.fujitsu.com>2010-12-22 23:15:45 +0800
commit261507a02ccba9afda919852263b6bc1581ce1ef (patch)
treec16bc657ff4e29a87042ceb379487f24dff01035 /fs/btrfs/extent_map.h
parent4b72029dc3fd6ba7dc45ccd1cf0aa0ebfa209bd3 (diff)
btrfs: Allow to add new compression algorithm
Make the code aware of compression type, instead of always assuming zlib compression. Also make the zlib workspace function as common code for all compression types. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'fs/btrfs/extent_map.h')
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index ab6d74b6e64..28b44dbd1e3 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -26,7 +26,8 @@ struct extent_map {
unsigned long flags;
struct block_device *bdev;
atomic_t refs;
- int in_tree;
+ unsigned int in_tree:1;
+ unsigned int compress_type:4;
struct extent_map_tree {