md-cluster: use %pU to print UUIDs

Reviewed-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: NeilBrown <neilb@suse.com>

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 0072190515e0f6edca1e09718dae5102b3e7d274..85ef5c5aa350c157600d0e4bd0f382cf6b54e6bd 100644 (file)
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -177,18 +177,6 @@ static void lockres_free(struct dlm_lock_resource *res)
        kfree(res);
 }
 
-static char *pretty_uuid(char *dest, char *src)
-{
-       int i, len = 0;
-
-       for (i = 0; i < 16; i++) {
-               if (i == 4 || i == 6 || i == 8 || i == 10)
-                       len += sprintf(dest + len, "-");
-               len += sprintf(dest + len, "%02x", (__u8)src[i]);
-       }
-       return dest;
-}
-
 static void add_resync_info(struct mddev *mddev, struct dlm_lock_resource *lockres,
                sector_t lo, sector_t hi)
 {
@@ -388,7 +376,7 @@ static void process_add_new_disk(struct mddev *mddev, struct cluster_msg *cmsg)
        int len;
 
        len = snprintf(disk_uuid, 64, "DEVICE_UUID=");
-       pretty_uuid(disk_uuid + len, cmsg->uuid);
+       sprintf(disk_uuid + len, "%pU", cmsg->uuid);
        snprintf(raid_slot, 16, "RAID_DISK=%d", cmsg->raid_slot);
        pr_info("%s:%d Sending kobject change with %s and %s\n", __func__, __LINE__, disk_uuid, raid_slot);
        init_completion(&cinfo->newdisk_completion);
@@ -646,7 +634,7 @@ static int join(struct mddev *mddev, int nodes)
        mddev->cluster_info = cinfo;
 
        memset(str, 0, 64);
-       pretty_uuid(str, mddev->uuid);
+       sprintf(str, "%pU", mddev->uuid);
        ret = dlm_new_lockspace(str, mddev->bitmap_info.cluster_name,
                                DLM_LSFL_FS, LVB_SIZE,
                                &md_ls_ops, mddev, &ops_rv, &cinfo->lockspace);