1126 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_resize()  local
1147 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_resize()
1148 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_resize()
1149 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_resize()
1152 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_resize()
1153 	sizestr = vol_args->name;  in btrfs_ioctl_resize()
1164 		devstr = vol_args->name;  in btrfs_ioctl_resize()
1261 	kfree(vol_args);  in btrfs_ioctl_resize()
1343 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_snap_create()  local
1349 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create()
1350 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create()
1351 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create()
1352 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create()
1355 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create()
1358 	kfree(vol_args);  in btrfs_ioctl_snap_create()
1365 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_snap_create_v2()  local
1373 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create_v2()
1374 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create_v2()
1375 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create_v2()
1376 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create_v2()
1378 	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {  in btrfs_ioctl_snap_create_v2()
1383 	if (vol_args->flags & BTRFS_SUBVOL_RDONLY)  in btrfs_ioctl_snap_create_v2()
1385 	if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {  in btrfs_ioctl_snap_create_v2()
1388 		if (vol_args->size < sizeof(*inherit) ||  in btrfs_ioctl_snap_create_v2()
1389 		    vol_args->size > PAGE_SIZE) {  in btrfs_ioctl_snap_create_v2()
1393 		inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size);  in btrfs_ioctl_snap_create_v2()
1408 		if (vol_args->size != struct_size(inherit, qgroups, nums)) {  in btrfs_ioctl_snap_create_v2()
1415 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create_v2()
1422 	kfree(vol_args);  in btrfs_ioctl_snap_create_v2()
2376 	struct btrfs_ioctl_vol_args *vol_args = NULL;  in btrfs_ioctl_snap_destroy()  local
2486 		vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_destroy()
2487 		if (IS_ERR(vol_args))  in btrfs_ioctl_snap_destroy()
2488 			return PTR_ERR(vol_args);  in btrfs_ioctl_snap_destroy()
2490 		vol_args->name[BTRFS_PATH_NAME_MAX] = 0;  in btrfs_ioctl_snap_destroy()
2491 		subvol_name = vol_args->name;  in btrfs_ioctl_snap_destroy()
2590 	kfree(vol_args);  in btrfs_ioctl_snap_destroy()
2663 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_add_dev()  local
2689 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_add_dev()
2690 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_add_dev()
2691 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_add_dev()
2695 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_add_dev()
2696 	ret = btrfs_init_new_device(fs_info, vol_args->name);  in btrfs_ioctl_add_dev()
2699 		btrfs_info(fs_info, "disk added %s", vol_args->name);  in btrfs_ioctl_add_dev()
2701 	kfree(vol_args);  in btrfs_ioctl_add_dev()
2715 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_rm_dev_v2()  local
2724 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev_v2()
2725 	if (IS_ERR(vol_args))  in btrfs_ioctl_rm_dev_v2()
2726 		return PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev_v2()
2728 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {  in btrfs_ioctl_rm_dev_v2()
2733 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev_v2()
2734 	if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) {  in btrfs_ioctl_rm_dev_v2()
2735 		args.devid = vol_args->devid;  in btrfs_ioctl_rm_dev_v2()
2736 	} else if (!strcmp("cancel", vol_args->name)) {  in btrfs_ioctl_rm_dev_v2()
2739 		ret = btrfs_get_dev_args_from_path(fs_info, &args, vol_args->name);  in btrfs_ioctl_rm_dev_v2()
2759 		if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
2761 					vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
2764 					vol_args->name);  in btrfs_ioctl_rm_dev_v2()
2772 	kfree(vol_args);  in btrfs_ioctl_rm_dev_v2()
2781 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_rm_dev()  local
2790 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev()
2791 	if (IS_ERR(vol_args))  in btrfs_ioctl_rm_dev()
2792 		return PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev()
2794 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev()
2795 	if (!strcmp("cancel", vol_args->name)) {  in btrfs_ioctl_rm_dev()
2798 		ret = btrfs_get_dev_args_from_path(fs_info, &args, vol_args->name);  in btrfs_ioctl_rm_dev()
2812 			btrfs_info(fs_info, "disk deleted %s", vol_args->name);  in btrfs_ioctl_rm_dev()
2821 	kfree(vol_args);  in btrfs_ioctl_rm_dev()