>From the issue diagnosable point of view, log if the device path is changed. Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx> --- fs/btrfs/volumes.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 4ffcdf9..a51d492 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -606,6 +606,10 @@ static noinline int device_list_add(const char *path, return -EEXIST; } + printk_in_rcu(KERN_INFO \ + "BTRFS: device fsid %pU devid %llu old path %s new path %s\n", + disk_super->fsid, devid, rcu_str_deref(device->name), path); + name = rcu_string_strdup(path, GFP_NOFS); if (!name) return -ENOMEM; -- 2.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
