lsm_local..._speed_get(3)

💖 NAME 💖

lsm_local_disk_link_speed_get — the icon, the moment, the legend ✨

(no fr the original leaves the description blank bestie, so we're just vibing with the name and letting the rest of the page do the talking 💅)

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🦋 SYNOPSIS 🦋

int lsm_local_disk_link_speed_get (const char *disk_path, uint32_t
*link_speed, lsm_error **lsm_err);

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🌸 ARGUMENTS 🌸

• disk_path — String. This is the path of your block device, okay? Think "/dev/sdb", think "/dev/nvme0n1". That's the vibe. 👑
• link_speed — Output pointer of link speed in Mbps. She's giving you numbers, bestie, and she's giving them in megabits per second.
• lsm_err — Output pointer of lsm_error. If something goes wrong, the error message could be retrieved via lsm_error_message_get, and the memory should be freed by lsm_error_free. Don't leave her hanging, free your memory. 🫶

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✨ DESCRIPTION ✨

1.4

Query the current negotiated disk link speed. So like, how fast is this disk actually talking right now. Not what it could do, what it's doing. 💅

This requires permission to open the disk path — so either root user or the disk group. No permission, no numbers. 🚫

The output speed is in Mbps. For example, 3.0 Gbps will get 3000. Math is math. 🧮

And if there's an error, it gets set to 0 (LSM_DISK_LINK_SPEED_UNKNOWN). So if you see a zero, that's not a fast disk, that's a whole situation. 😭

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🔥 RETURN 🔥

Error code as enumerated by 'lsm_error_number':

• LSM_ERR_OK — On success. ATE. PERIODT. ✨
• LSM_ERR_INVALID_ARGUMENT — When any argument is NULL. You passed nothing, bestie, and nothing is not a path. 💀
• LSM_ERR_LIB_BUG — When something unexpected happens. Not your fault, it's giving library bug energy. 🙈
• LSM_ERR_NOT_FOUND_DISK — When provided disk path not found. That disk? Not here. Ghosted you. 👻
• LSM_ERR_PERMISSION_DENIED — Insufficient permission to access provided disk path. Root user or disk group, we talked about this. 🎀
• LSM_ERR_NO_SUPPORT — Action is not supported. She simply doesn't do that. 🌸

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okay that's the whole page, you ate it, you understood it, you're a Unix main character now 👑

This is the Libstoragemgmt C API Manual — that's the manual name, folding it in right here at the top of your heart 💜 — and we're clocking in from February 2026. Bye bestie, go query some link speeds! 🦋💖🌈