libnvme_update_block_size(9)

💅 libnvme_update_block_size(9) 💅

Okay bestie, welcome to the libnvme API manual — this page is all about libnvme_update_block_size(9), and we’re gonna get you comfy with it. ✨

✨ NAME ✨

libnvme_update_block_size — update the block size. That’s the whole vibe. 💅

🎀 SYNOPSIS 🎀

int libnvme_update_block_size (struct libnvme_transport_handle *hdl ,
       int block_size );

🦋 ARGUMENTS 🦋

• hdl — the transport handle. 🫶 The thing you’re passing through.
• block_size — the new block size. 🍓 Fresh size, who dis.

💖 DESCRIPTION 💖

Okay so here’s the tea: you’re notifying the kernel blkdev to update its block size after a block size change. Like, “hey bestie, the block size changed, pls refresh accordingly.” 💖

Heads up, bestie: this should only be used for namespace handles, not controllers. Do not come for controllers with this one, fr fr. 🚫👑

🌈 RETURN 🌈

Returns 0 if the block size was updated, or a negative error code otherwise. Simple as that, bestie. ✨

This libnvme_update_block_size(9) page comes from the libnvme API manual, dated October 2026. That’s the sign-off — mwah! 💋✨