ceph: wake up the waiters if any new caps comes

When new caps comes we need to wake up the waiters and also when
revoking the caps, there also could be new caps comes.

https://tracker.ceph.com/issues/54044
Signed-off-by: Xiubo Li <xiubli@redhat.com>

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 5a4e7e53015afda1d36e5c62b3923251ebc33ad3..139d21b8fb4984e09e3ac695c99ae927477ccef6 100644 (file)
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -755,6 +755,7 @@ void ceph_add_cap(struct inode *inode,
        cap->issue_seq = seq;
        cap->mseq = mseq;
        cap->cap_gen = gen;
+       wake_up_all(&ci->i_cap_wq);
 }
 
 /*
@@ -3601,6 +3602,9 @@ static void handle_cap_grant(struct inode *inode,
                        check_caps = 1; /* check auth cap only */
                else
                        check_caps = 2; /* check all caps */
+               /* If there is new caps, try to wake up the waiters */
+               if (~cap->issued & newcaps)
+                       wake = true;
                cap->issued = newcaps;
                cap->implemented |= newcaps;
        } else if (cap->issued == newcaps) {