C++ (Cpp) btt_set_zero示例

示例#1

文件： blk.c 项目： xguo/nvml

/*
 * pmemblk_set_zero -- zero a block in a block memory pool
 */
int
pmemblk_set_zero(PMEMblkpool *pbp, off_t blockno)
{
	LOG(3, "pbp %p blockno %lld", pbp, (long long)blockno);

	if (pbp->rdonly) {
		ERR("EROFS (pool is read-only)");
		errno = EROFS;
		return -1;
	}

	if (blockno < 0) {
		ERR("negative block number");
		errno = EINVAL;
		return -1;
	}

	unsigned lane;

	lane_enter(pbp, &lane);

	int err = btt_set_zero(pbp->bttp, lane, (uint64_t)blockno);

	lane_exit(pbp, lane);

	return err;
}

示例#2

文件： blk.c 项目： jebtang/nvml

/*
 * pmemblk_set_zero -- zero a block in a block memory pool
 */
int
pmemblk_set_zero(PMEMblkpool *pbp, off_t blockno)
{
	LOG(3, "pbp %p blockno %lld", pbp, (long long)blockno);

	if (pbp->rdonly) {
		ERR("EROFS (pool is read-only)");
		errno = EROFS;
		return -1;
	}

	int lane = lane_enter(pbp);

	if (lane < 0)
		return -1;

	int err = btt_set_zero(pbp->bttp, lane, blockno);

	lane_exit(pbp, lane);

	return err;
}