ceph: make ceph_update_writeable_page() uninterruptible

ceph_update_writeable_page() is used by ceph_write_begin(). It beaks
atomicity of write operation if it's interruptible.

Signed-off-by: Yan, Zheng <zyan@redhat.com>
This commit is contained in:
Yan, Zheng 2016-05-13 11:30:24 +08:00 • committed by Ilya Dryomov
commit a78bbd4b29