ceph: Convert to use jiffies macro

Use time_after_eq macro instead of using
jiffies directly to handle wraparound.

[ xiubli: adjust the header files order ]
Signed-off-by: Chen Yufan <chenyufan@vivo.com>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

fs/ceph/caps.c

@@ -10,6 +10,7 @@
 #include <linux/writeback.h>
 #include <linux/iversion.h>
 #include <linux/filelock.h>
+#include <linux/jiffies.h>
 
 #include "super.h"
 #include "mds_client.h"
@@ -4659,7 +4660,7 @@ unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
 		 * slowness doesn't block mdsc delayed work,
 		 * preventing send_renew_caps() from running.
 		 */
-		if (jiffies - loop_start >= 5 * HZ)
+		if (time_after_eq(jiffies, loop_start + 5 * HZ))
 			break;
 	}
 	spin_unlock(&mdsc->cap_delay_lock);