tree ca0b3a6843965f6da3128472491f47cd3f6f3785
parent e9d5d4a0c13f47e331e39a4c66a9b3da701b280b
author Jens Axboe <axboe@kernel.dk> 1498658985 -0600
committer Jens Axboe <axboe@kernel.dk> 1498658985 -0600

fs/fcntl: use copy_to/from_user() for u64 types

Some architectures (at least PPC) doesn't like get/put_user with
64-bit types on a 32-bit system. Use the variably sized copy
to/from user variants instead.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: c75b1d9421f8 ("fs: add fcntl() interface for setting/getting write life time hints")
Signed-off-by: Jens Axboe <axboe@kernel.dk>