btrfs: Allow to specify compress method when defrag

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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>

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This commit is contained in:

Li Zefan 2010-10-25 15:12:50 +08:00

parent a6fa6fae40

commit 1a419d85a7

2 changed files with 26 additions and 2 deletions

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19

fs/btrfs/ioctl.c

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9

fs/btrfs/ioctl.h

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