1 files changed, 16 insertions, 0 deletions

diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 4d31379265cb..b8fe7b739c27 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -19,6 +19,7 @@
 #include <linux/freezer.h>
 #include <linux/bio.h>
 #include <linux/writeback.h>
+#include <linux/list_sort.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -566,6 +567,20 @@ static void log_flush_commit(struct gfs2_sbd *sdp)
         log_write_header(sdp, 0, 0);
 }
 
+int bd_cmp(void *priv, struct list_head *a, struct list_head *b)
+{
+        struct gfs2_bufdata *bda, *bdb;
+
+        bda = list_entry(a, struct gfs2_bufdata, bd_le.le_list);
+        bdb = list_entry(b, struct gfs2_bufdata, bd_le.le_list);
+
+        if (bda->bd_bh->b_blocknr < bdb->bd_bh->b_blocknr)
+                return -1;
+        if (bda->bd_bh->b_blocknr > bdb->bd_bh->b_blocknr)
+                return 1;
+        return 0;
+}
+
 static void gfs2_ordered_write(struct gfs2_sbd *sdp)
 {
         struct gfs2_bufdata *bd;
@@ -573,6 +588,7 @@ static void gfs2_ordered_write(struct gfs2_sbd *sdp)
         LIST_HEAD(written);
 
         gfs2_log_lock(sdp);
+        list_sort(NULL, &sdp->sd_log_le_ordered, &bd_cmp);
         while (!list_empty(&sdp->sd_log_le_ordered)) {
                 bd = list_entry(sdp->sd_log_le_ordered.next, struct gfs2_bufdata, bd_le.le_list);
                 list_move(&bd->bd_le.le_list, &written);