vfs: hoist the btrfs deduplication ioctl to the vfs
authorDarrick J. Wong <darrick.wong@oracle.com>
Sat, 19 Dec 2015 08:55:59 +0000 (00:55 -0800)
committerAl Viro <viro@zeniv.linux.org.uk>
Fri, 1 Jan 2016 07:36:19 +0000 (02:36 -0500)
commit54dbc15172375641ef03399e8f911d7165eb90fb
treeb85a2df3b98719f4cf6493d69409588886276833
parentd79bdd52d8be70d0e7024ac6715eee860a19834a
vfs: hoist the btrfs deduplication ioctl to the vfs

Hoist the btrfs EXTENT_SAME ioctl up to the VFS and make the name
more systematic (FIDEDUPERANGE).

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/compat_ioctl.c
fs/ioctl.c
fs/read_write.c
include/linux/fs.h
include/uapi/linux/fs.h