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[Cluster-devel] GFS2: Remove extra "if" in gfs2_log_flush()



>From b1ab1e44b4fa3df97a25cc9bcc3c99244ad6945b Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho redhat com>
Date: Tue, 25 Feb 2014 11:52:20 +0000
Subject: GFS2: Remove extra "if" in gfs2_log_flush()

By reordering some of the assignments in gfs2_log_flush() it
is possible to remove one of the "if" statements as it can be
merged with one higher up the function.

Signed-off-by: Steven Whitehouse <swhiteho redhat com>

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index c1c9a29..edbd461 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -684,21 +684,19 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl)
 	}
 	trace_gfs2_log_flush(sdp, 1);
 
+	sdp->sd_log_flush_head = sdp->sd_log_head;
+	sdp->sd_log_flush_wrapped = 0;
 	tr = sdp->sd_log_tr;
 	if (tr) {
 		sdp->sd_log_tr = NULL;
 		INIT_LIST_HEAD(&tr->tr_ail1_list);
 		INIT_LIST_HEAD(&tr->tr_ail2_list);
+		tr->tr_first = sdp->sd_log_flush_head;
 	}
 
 	gfs2_assert_withdraw(sdp,
 			sdp->sd_log_num_revoke == sdp->sd_log_commited_revoke);
 
-	sdp->sd_log_flush_head = sdp->sd_log_head;
-	sdp->sd_log_flush_wrapped = 0;
-	if (tr)
-		tr->tr_first = sdp->sd_log_flush_head;
-
 	gfs2_ordered_write(sdp);
 	lops_before_commit(sdp, tr);
 	gfs2_log_flush_bio(sdp, WRITE);
-- 
1.8.3.1




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