Btrfs: add snapshot/subvolume destroy ioctl
authorYan, Zheng <zheng.yan@oracle.com>
Mon, 21 Sep 2009 20:00:26 +0000 (16:00 -0400)
committerChris Mason <chris.mason@oracle.com>
Mon, 21 Sep 2009 20:00:26 +0000 (16:00 -0400)
This patch adds snapshot/subvolume destroy ioctl.  A subvolume that isn't being
used and doesn't contains links to other subvolumes can be destroyed.

Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

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