1992 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_resize()  local
2013 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_resize()
2014 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_resize()
2015 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_resize()
2018 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_resize()
2019 	sizestr = vol_args->name;  in btrfs_ioctl_resize()
2030 		devstr = vol_args->name;  in btrfs_ioctl_resize()
2127 	kfree(vol_args);  in btrfs_ioctl_resize()
2200 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_snap_create()  local
2206 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create()
2207 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create()
2208 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create()
2209 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create()
2212 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create()
2215 	kfree(vol_args);  in btrfs_ioctl_snap_create()
2222 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_snap_create_v2()  local
2230 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_create_v2()
2231 	if (IS_ERR(vol_args))  in btrfs_ioctl_snap_create_v2()
2232 		return PTR_ERR(vol_args);  in btrfs_ioctl_snap_create_v2()
2233 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_snap_create_v2()
2235 	if (vol_args->flags & ~BTRFS_SUBVOL_CREATE_ARGS_MASK) {  in btrfs_ioctl_snap_create_v2()
2240 	if (vol_args->flags & BTRFS_SUBVOL_RDONLY)  in btrfs_ioctl_snap_create_v2()
2242 	if (vol_args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {  in btrfs_ioctl_snap_create_v2()
2245 		if (vol_args->size < sizeof(*inherit) ||  in btrfs_ioctl_snap_create_v2()
2246 		    vol_args->size > PAGE_SIZE) {  in btrfs_ioctl_snap_create_v2()
2250 		inherit = memdup_user(vol_args->qgroup_inherit, vol_args->size);  in btrfs_ioctl_snap_create_v2()
2265 		if (vol_args->size != struct_size(inherit, qgroups, nums)) {  in btrfs_ioctl_snap_create_v2()
2272 					vol_args->name, vol_args->fd, subvol,  in btrfs_ioctl_snap_create_v2()
2279 	kfree(vol_args);  in btrfs_ioctl_snap_create_v2()
3227 	struct btrfs_ioctl_vol_args *vol_args = NULL;  in btrfs_ioctl_snap_destroy()  local
3337 		vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_snap_destroy()
3338 		if (IS_ERR(vol_args))  in btrfs_ioctl_snap_destroy()
3339 			return PTR_ERR(vol_args);  in btrfs_ioctl_snap_destroy()
3341 		vol_args->name[BTRFS_PATH_NAME_MAX] = 0;  in btrfs_ioctl_snap_destroy()
3342 		subvol_name = vol_args->name;  in btrfs_ioctl_snap_destroy()
3441 	kfree(vol_args);  in btrfs_ioctl_snap_destroy()
3510 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_add_dev()  local
3536 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_add_dev()
3537 	if (IS_ERR(vol_args)) {  in btrfs_ioctl_add_dev()
3538 		ret = PTR_ERR(vol_args);  in btrfs_ioctl_add_dev()
3542 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_add_dev()
3543 	ret = btrfs_init_new_device(fs_info, vol_args->name);  in btrfs_ioctl_add_dev()
3546 		btrfs_info(fs_info, "disk added %s", vol_args->name);  in btrfs_ioctl_add_dev()
3548 	kfree(vol_args);  in btrfs_ioctl_add_dev()
3562 	struct btrfs_ioctl_vol_args_v2 *vol_args;  in btrfs_ioctl_rm_dev_v2()  local
3571 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev_v2()
3572 	if (IS_ERR(vol_args))  in btrfs_ioctl_rm_dev_v2()
3573 		return PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev_v2()
3575 	if (vol_args->flags & ~BTRFS_DEVICE_REMOVE_ARGS_MASK) {  in btrfs_ioctl_rm_dev_v2()
3580 	vol_args->name[BTRFS_SUBVOL_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev_v2()
3581 	if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID) {  in btrfs_ioctl_rm_dev_v2()
3582 		args.devid = vol_args->devid;  in btrfs_ioctl_rm_dev_v2()
3583 	} else if (!strcmp("cancel", vol_args->name)) {  in btrfs_ioctl_rm_dev_v2()
3586 		ret = btrfs_get_dev_args_from_path(fs_info, &args, vol_args->name);  in btrfs_ioctl_rm_dev_v2()
3606 		if (vol_args->flags & BTRFS_DEVICE_SPEC_BY_ID)  in btrfs_ioctl_rm_dev_v2()
3608 					vol_args->devid);  in btrfs_ioctl_rm_dev_v2()
3611 					vol_args->name);  in btrfs_ioctl_rm_dev_v2()
3619 	kfree(vol_args);  in btrfs_ioctl_rm_dev_v2()
3628 	struct btrfs_ioctl_vol_args *vol_args;  in btrfs_ioctl_rm_dev()  local
3637 	vol_args = memdup_user(arg, sizeof(*vol_args));  in btrfs_ioctl_rm_dev()
3638 	if (IS_ERR(vol_args))  in btrfs_ioctl_rm_dev()
3639 		return PTR_ERR(vol_args);  in btrfs_ioctl_rm_dev()
3641 	vol_args->name[BTRFS_PATH_NAME_MAX] = '\0';  in btrfs_ioctl_rm_dev()
3642 	if (!strcmp("cancel", vol_args->name)) {  in btrfs_ioctl_rm_dev()
3645 		ret = btrfs_get_dev_args_from_path(fs_info, &args, vol_args->name);  in btrfs_ioctl_rm_dev()
3659 			btrfs_info(fs_info, "disk deleted %s", vol_args->name);  in btrfs_ioctl_rm_dev()
3668 	kfree(vol_args);  in btrfs_ioctl_rm_dev()