leb_read_unlock(9)

👑 leb_read_unlock(9) — the "okay you can stop reading now" unlock 💅

hi bestie, welcome to the Kernel API Manual 🎀 we're literally in section 9 today and the whole vibe is releasing a lock on a logical eraseblock. no cap, that's the entire arc of this episode.

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✨ NAME ✨

leb_read_unlock — unlock logical eraseblock. that's it, that's the plot 🫶

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🦋 SYNOPSIS 🦋

void leb_read_unlock (struct ubi_device *ubi , int vol_id , int lnum );

yes she takes three little args and returns void — she gives nothing back because she already gave everything 😭

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🌸 ARGUMENTS 🌸

okay so here's the cast of characters, they're all icons honestly:

• ubi — the UBI device description object 💖 this is the main character device we're working with
• vol_id — volume ID. which volume bestie, spill 🍓
• lnum — logical eraseblock number. the specific LEB we're unlocking, periodt

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🌈 SEE ALSO 🌈

this is the extended universe fr fr — so many crossovers i can't even. all of these live in the kernel file ./drivers/mtd/ubi/eba.c:

• struct ubi_eba_entry(9)
• struct ubi_eba_table(9)
• ubi_next_sqnum(9)
• ubi_get_compat(9)
• ubi_eba_get_ldesc(9)
• ubi_eba_create_table(9)
• ubi_eba_destroy_table(9)
• ubi_eba_copy_table(9)
• ubi_eba_replace_table(9)
• ltree_lookup(9)
• ltree_add_entry(9)
• leb_read_lock(9)
• leb_write_lock(9)
• leb_write_trylock(9)
• leb_write_unlock(9)
• ubi_eba_is_mapped(9)
• ubi_eba_unmap_leb(9)
• check_mapping(9)
• ubi_eba_read_leb(9)
• ubi_eba_read_leb_sg(9)
• try_recover_peb(9)
• recover_peb(9)
• try_write_vid_and_data(9)
• ubi_eba_write_leb(9)
• ubi_eba_write_leb_st(9)
• is_error_sane(9)
• ubi_eba_copy_leb(9)
• print_rsvd_warning(9)
• self_check_eba(9)
• ubi_eba_init(9)

ngl leb_read_lock(9) is literally her gf, they come as a set, do not separate them 🙈

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and that's the whole page bestie, go forth and unlock responsibly 💜

source: ./drivers/mtd/ubi 🦋 version date: October 2026 ✨ mwah, bye, love u, see u in the next manpage 😘💅