btrfs: Add btrfs: prefix to kernel log output

The kernel log entries for device label %s and device fsid %pU
are missing the btrfs: prefix. Add those here.

Signed-off-by: Frank Holton <fholton@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index a0577352eb6e962743adf9712c230604b409627f..043114749516797e43c5e5f7afe52310c5d18708 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -912,9 +912,9 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
        if (disk_super->label[0]) {
                if (disk_super->label[BTRFS_LABEL_SIZE - 1])
                        disk_super->label[BTRFS_LABEL_SIZE - 1] = '\0';
-               printk(KERN_INFO "device label %s ", disk_super->label);
+               printk(KERN_INFO "btrfs: device label %s ", disk_super->label);
        } else {
-               printk(KERN_INFO "device fsid %pU ", disk_super->fsid);
+               printk(KERN_INFO "btrfs: device fsid %pU ", disk_super->fsid);
        }
 
        printk(KERN_CONT "devid %llu transid %llu %s\n", devid, transid, path);