tree f5ca46ec89d4ae2c762952d5f35e2c6f95ac046a
parent 4df27c4d5cc1dda54ed7d0a8389347f2df359cf9
author Yan, Zheng <zheng.yan@oracle.com> 1253563226 -0400
committer Chris Mason <chris.mason@oracle.com> 1253563226 -0400

Btrfs: add snapshot/subvolume destroy ioctl

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>