btrfs: delete unused argument in btrfs_copy_from_user
authorZhao Lei <zhaolei@cn.fujitsu.com>
Wed, 6 Jan 2016 10:47:31 +0000 (18:47 +0800)
committerChris Mason <clm@fb.com>
Wed, 20 Jan 2016 15:22:13 +0000 (07:22 -0800)
commitee22f0c4ec428e7f16d3c5fa1d55fd7860cb304a
treefbcda1a25e198bb6a18f4e0f001334bfe8f6af0f
parentad1ba2a0c453db255f04b17101db6d05c44d8467
btrfs: delete unused argument in btrfs_copy_from_user

size_t write_bytes is not necessary for btrfs_copy_from_user(),
delete it.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/file.c