diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 77b23fe51425..d7283fb54cec 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -3094,7 +3094,19 @@ int __ceph_get_caps(struct inode *inode, struct ceph_file_info *fi, int need,
 					ret = -ERESTARTSYS;
 					break;
 				}
-				wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT);
+
+				/*
+				 * If a cap update is lost after
+				 * mds_wanted was raised, waiting
+				 * forever will never make progress.
+				 * Retry the renew path periodically
+				 * so we can resend synchronously.
+				 */
+				if (!wait_woken(&wait, TASK_INTERRUPTIBLE,
+						CEPH_GET_CAPS_WAIT_TIMEOUT)) {
+					ret = -EUCLEAN;
+					break;
+				}
 			}
 
 			remove_wait_queue(&ci->i_cap_wq, &wait);
@@ -3128,7 +3140,8 @@ int __ceph_get_caps(struct inode *inode, struct ceph_file_info *fi, int need,
 				continue;
 			}
 			if (ret == -EUCLEAN) {
-				/* session was killed, try renew caps */
+				/* session was killed or a waited cap
+				 * request needs a retry */
 				ret = ceph_renew_caps(inode, flags);
 				if (ret == 0)
 					continue;
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 71161f2b2151..a4a2a4b6a027 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -314,7 +314,7 @@ static int ceph_init_file(struct inode *inode, struct file *file, int fmode)
 }
 
 /*
- * try renew caps after session gets killed.
+ * Retry cap acquisition after a stale session or a lost cap update.
  */
 int ceph_renew_caps(struct inode *inode, int fmode)
 {
@@ -322,14 +322,15 @@ int ceph_renew_caps(struct inode *inode, int fmode)
 	struct ceph_client *cl = mdsc->fsc->client;
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_mds_request *req;
-	int err, flags, wanted;
+	int err, flags, wanted, issued;
 
 	spin_lock(&ci->i_ceph_lock);
 	__ceph_touch_fmode(ci, mdsc, fmode);
 	wanted = __ceph_caps_file_wanted(ci);
+	issued = __ceph_caps_issued(ci, NULL);
 	if (__ceph_is_any_real_caps(ci) &&
-	    (!(wanted & CEPH_CAP_ANY_WR) || ci->i_auth_cap)) {
-		int issued = __ceph_caps_issued(ci, NULL);
+	    (!(wanted & CEPH_CAP_ANY_WR) || ci->i_auth_cap) &&
+	    (issued & wanted) == wanted) {
 		spin_unlock(&ci->i_ceph_lock);
 		doutc(cl, "%p %llx.%llx want %s issued %s updating mds_wanted\n",
 		      inode, ceph_vinop(inode), ceph_cap_string(wanted),
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 731d6ad04956..0ece4c9e3529 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -77,6 +77,7 @@ struct ceph_fs_client;
 struct ceph_cap;
 
 #define MDS_AUTH_UID_ANY -1
+#define CEPH_GET_CAPS_WAIT_TIMEOUT (5 * HZ)
 #define CEPH_CAP_FLUSH_WAIT_TIMEOUT_SEC 60
 #define CEPH_CAP_FLUSH_MAX_DUMP_ENTRIES 5
 #define CEPH_CAP_FLUSH_MAX_DUMP_ITERS 5