Build failures due to commit 416161db (btrfs: offline dedupe)

Guenter Roeck
2013-09-13T13:33:23Z

fs/btrfs/ioctl.c: In function 'btrfs_ioctl_file_extent_same':
fs/btrfs/ioctl.c:2802:3: error: implicit declaration of function '__put_user_unaligned' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[2]: *** [fs/btrfs/ioctl.o] Error 1
make[2]: *** Waiting for unfinished jobs....

Seen with alpha:allmodconfig, arm:allmodconfig, m68k:allmodconfig, and
xtensa:allmodconfig.

Guenter