Commit 6e09d0fb authored by Yan, Zheng's avatar Yan, Zheng Committed by Ilya Dryomov
Browse files

ceph: fix ceph_get_caps() interruption 



Commit 5c341ee3 ("ceph: fix scheduler warning due to nested
blocking") causes infinite loop when process is interrupted.  Fix it.

Signed-off-by: default avatarYan, Zheng <zyan@redhat.com>
Signed-off-by: default avatarIlya Dryomov <idryomov@gmail.com>
parent 49def185

fs/ceph/caps.c

+6 −1
Original line number Diff line number Diff line
@@ -2591,8 +2591,13 @@ int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, 
			add_wait_queue(&ci->i_cap_wq, &wait);



			while (!try_get_cap_refs(ci, need, want, endoff,

						 true, &_got, &err))

						 true, &_got, &err)) {

				if (signal_pending(current)) {

					ret = -ERESTARTSYS;

					break;

				}

				wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);

			}



			remove_wait_queue(&ci->i_cap_wq, &wait);