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-rw-r--r--fs/gfs2/lops.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 6c33d7b..cb017a6 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -16,6 +16,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/bio.h>
#include <linux/fs.h>
+#include <linux/list_sort.h>
#include "gfs2.h"
#include "incore.h"
@@ -401,6 +402,20 @@ static void gfs2_check_magic(struct buffer_head *bh)
kunmap_atomic(kaddr);
}
+static int blocknr_cmp(void *priv, struct list_head *a, struct list_head *b)
+{
+ struct gfs2_bufdata *bda, *bdb;
+
+ bda = list_entry(a, struct gfs2_bufdata, bd_list);
+ bdb = list_entry(b, struct gfs2_bufdata, bd_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_before_commit(struct gfs2_sbd *sdp, unsigned int limit,
unsigned int total, struct list_head *blist,
bool is_databuf)
@@ -413,6 +428,7 @@ static void gfs2_before_commit(struct gfs2_sbd *sdp, unsigned int limit,
__be64 *ptr;
gfs2_log_lock(sdp);
+ list_sort(NULL, blist, blocknr_cmp);
bd1 = bd2 = list_prepare_entry(bd1, blist, bd_list);
while(total) {
num = total;
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