onenand_do_lock_cmd(9)

📦 version 7.3.1, in nixpkgs unstable

💅 onenand_do_lock_cmd(9) — like, the OneNAND lock/unlock block situation

okay so bestie, we're in the Kernel API Manual today and the star of the show is onenand_do_lock_cmd — it lives in the OneNAND Interface corner of the kernel and it's literally the function that locks or unlocks your block(s). no cap, that's the whole vibe. 🎀

✨ NAME ✨

onenand_do_lock_cmd — [OneNAND Interface] lock or unlock block(s). that's it, that's the girl. 🦋

🌸 SYNOPSIS 🌸

int onenand_do_lock_cmd (struct mtd_info *mtd , loff_t ofs , size_t len
, int cmd );

she takes four things and returns an int, periodt. ✨

🧚 ARGUMENTS 🧚

  • mtd — the MTD device structure. this is the whole device she's working with, iykyk.
  • ofs — the offset, relative to the start of the mtd. like, where in the device we're pointing at. 📍
  • len — the number of bytes you want locked or unlocked. how much we're doing here.
  • cmd — the lock or unlock command. this is the instruction that tells her which way to go, bestie. 🔥

👑 DESCRIPTION 👑

so what does she actually do? she locks or unlocks one or more blocks. that's the whole job. one block, several blocks, she's got it. slay. 💅

⭐ SEE ALSO ⭐

okay this is the part where the whole friend group shows up, because she does not exist in a vacuum. the kernel file is ./drivers/mtd/nand/onenand/onenand_base.c and honestly the whole squad is listed here, so let's give them their moment:

like, that's the entire group chat and she's in every single one of those conversations. obsessed. 🌈

and that's the page, bestie!! this cutie came out of ./drivers/mtd/nand/onenand and it's dated October 2026, filed under onenand_do_lock_cmd(9) — mwah, go lock some blocks, ily 💖✨🫶

📦 where this page comes from