Btrfs: cleanup unused num_can_discard in fs_devices
authorMiao Xie <miaox@cn.fujitsu.com>
Wed, 3 Sep 2014 13:35:30 +0000 (21:35 +0800)
committerChris Mason <clm@fb.com>
Wed, 17 Sep 2014 20:38:29 +0000 (13:38 -0700)
commit90180da42c38a83b050452aa555d3d2df6ae2ad4
treec9204e45bd710cf8cc1ed13dccd498e432dfda9e
parent82f70d62f7923cc43128e75ae85366f137055b76
Btrfs: cleanup unused num_can_discard in fs_devices

The member variants - num_can_discard - of fs_devices structure
are set, but no one use them to do anything. so remove them.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/volumes.c
fs/btrfs/volumes.h