btrfs: readdir: use GFP_KERNEL

Readdir is initiated from userspace and is not on the critical
writeback path, we don't need to use GFP_NOFS for allocations.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-02-11 14:25:38 +01:00
commit 49e350a491