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| author | Li Zefan <lizf@cn.fujitsu.com> | 2010-12-17 06:21:50 (GMT) |
|---|---|---|
| committer | Li Zefan <lizf@cn.fujitsu.com> | 2010-12-22 15:15:45 (GMT) |
| commit | 261507a02ccba9afda919852263b6bc1581ce1ef (patch) | |
| tree | c16bc657ff4e29a87042ceb379487f24dff01035 /fs/btrfs/extent_map.h | |
| parent | 4b72029dc3fd6ba7dc45ccd1cf0aa0ebfa209bd3 (diff) | |
| download | linux-261507a02ccba9afda919852263b6bc1581ce1ef.tar.xz | |
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')
| -rw-r--r-- | fs/btrfs/extent_map.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index ab6d74b..28b44db 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 { |