---
name: "nvme_get_logical_block_size"
section: "2"
platform: "linux"
package: "libnvme-dev"
version: "1.13-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/nvme_get_logical_block_size"
---

# nvme\_get\_logical\_block\_size(2)

Retrieve block size

## NAME

nvme\_get\_logical\_block\_size - Retrieve block size

## SYNOPSIS

**int nvme\_get\_logical\_block\_size** **(int fd** *,* **\_\_u32 nsid** *,* **int \*blksize** *);*

## ARGUMENTS

- fd

  File descriptor of nvme device

- nsid

  Namespace id

- blksize

  Pointer to where the block size will be set on success

## RETURN

The nvme command status if a response was received (see *enum nvme\_status\_field*) or -1 with errno set otherwise.