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| author | Li Zefan | 2010-10-25 09:12:50 +0200 |
|---|---|---|
| committer | Li Zefan | 2010-12-22 16:15:48 +0100 |
| commit | 1a419d85a76853d7d04e9b6280a80e96770bf3e3 (patch) | |
| tree | 01535c5571208561af5d475eaa151e1c2f936f57 /fs/btrfs/ioctl.h | |
| parent | btrfs: Add lzo compression support (diff) | |
| download | kernel-qcow2-linux-1a419d85a76853d7d04e9b6280a80e96770bf3e3.tar.gz kernel-qcow2-linux-1a419d85a76853d7d04e9b6280a80e96770bf3e3.tar.xz kernel-qcow2-linux-1a419d85a76853d7d04e9b6280a80e96770bf3e3.zip | |
btrfs: Allow to specify compress method when defrag
Update defrag ioctl, so one can choose lzo or zlib when turning
on compression in defrag operation.
Changelog:
v1 -> v2
- Add incompability flag.
- Fix to check invalid compress type.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'fs/btrfs/ioctl.h')
| -rw-r--r-- | fs/btrfs/ioctl.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h index c344d12c646b..24d0f4628240 100644 --- a/fs/btrfs/ioctl.h +++ b/fs/btrfs/ioctl.h @@ -133,8 +133,15 @@ struct btrfs_ioctl_defrag_range_args { */ __u32 extent_thresh; + /* + * which compression method to use if turning on compression + * for this defrag operation. If unspecified, zlib will + * be used + */ + __u32 compress_type; + /* spare for later */ - __u32 unused[5]; + __u32 unused[4]; }; struct btrfs_ioctl_space_info { |