ceph: touch existing cap when handling reply

Move cap to tail of session->s_caps list. So ceph_trim_caps() will trim older caps first. Signed-off-by: "Yan, Zheng" <[email protected]> Reviewed-by: Jeff Layton <[email protected]> Signed-off-by: Ilya Dryomov <[email protected]>
chewitt · Mar 5, 2019 · 32f6511 · 32f6511
1 parent e450f4d
commit 32f6511
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
@@ -657,6 +657,10 @@ void ceph_add_cap(struct inode *inode,
 		session->s_nr_caps++;
 		spin_unlock(&session->s_cap_lock);
 	} else {
+		spin_lock(&session->s_cap_lock);
+		list_move_tail(&cap->session_caps, &session->s_caps);
+		spin_unlock(&session->s_cap_lock);
+
 		if (cap->cap_gen < session->s_cap_gen)
 			cap->issued = cap->implemented = CEPH_CAP_PIN;