Just in case if need to fix it properly, this patch helps. Its a bit of overkill though, on the basis of being theoretically correct. As discussed, this or Chris suggested to use simpler BTRFS_SUBVOL_NAME_MAX will fix equally from practical perspective.
This patch is ontop the patch btrfs: Introduce device delete by devid btrfs-progs: Introduce device delete by devid respectively. Thanks, Anand Anand Jain (1): btrfs: make add and device ioctl args path max consistent fs/btrfs/ioctl.c | 2 +- include/uapi/linux/btrfs.h | 19 ++++++++++++++++++- 2 files changed, 19 insertions(+), 2 deletions(-) Anand Jain (1): btrfs-progs: make add and delete path max len consistent cmds-device.c | 2 +- ioctl.h | 19 ++++++++++++++++++- 2 files changed, 19 insertions(+), 2 deletions(-) -- 2.7.0 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html