gfs2: Allow immediate GLF_VERIFY_DELETE work

Add an argument to gfs2_queue_verify_delete() that allows it to queue
GLF_VERIFY_DELETE work for immediate execution.  This is used in the
next patch.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>

Author: Andreas Gruenbacher

fs/gfs2/glock.c

@@ -1012,14 +1012,15 @@ bool gfs2_queue_try_to_evict(struct gfs2_glock *gl)
 				  &gl->gl_delete, 0);
 }
 
-static bool gfs2_queue_verify_delete(struct gfs2_glock *gl)
+static bool gfs2_queue_verify_delete(struct gfs2_glock *gl, bool later)
 {
 	struct gfs2_sbd *sdp = gl->gl_name.ln_sbd;
+	unsigned long delay;
 
 	if (test_and_set_bit(GLF_VERIFY_DELETE, &gl->gl_flags))
 		return false;
-	return queue_delayed_work(sdp->sd_delete_wq,
-				  &gl->gl_delete, 5 * HZ);
+	delay = later ? 5 * HZ : 0;
+	return queue_delayed_work(sdp->sd_delete_wq, &gl->gl_delete, delay);
 }
 
 static void delete_work_func(struct work_struct *work)
@@ -1051,7 +1052,7 @@ static void delete_work_func(struct work_struct *work)
 		if (gfs2_try_evict(gl)) {
 			if (test_bit(SDF_KILL, &sdp->sd_flags))
 				goto out;
-			if (gfs2_queue_verify_delete(gl))
+			if (gfs2_queue_verify_delete(gl, true))
 				return;
 		}
 		goto out;
@@ -1063,7 +1064,7 @@ static void delete_work_func(struct work_struct *work)
 		if (IS_ERR(inode)) {
 			if (PTR_ERR(inode) == -EAGAIN &&
 			    !test_bit(SDF_KILL, &sdp->sd_flags) &&
-			    gfs2_queue_verify_delete(gl))
+			    gfs2_queue_verify_delete(gl, true))
 				return;
 		} else {
 			d_prune_aliases(inode);