leb_write_lock(9)

🌸 NAME 🌸

okay so bestie, welcome to leb_write_lock(9) from the Kernel API Manual — yes, that's the manual name, and this whole page is literally about locking a logical eraseblock for writing. periodt. 💅

leb_write_lock — lock logical eraseblock for writing.

✨ SYNOPSIS ✨

int leb_write_lock (struct ubi_device *ubi , int vol_id , int lnum );

🎀 ARGUMENTS 🎀

• ubi — UBI device description object. the whole device situation 🫶
• vol_id — volume ID. which volume we're talking about ✨
• lnum — logical eraseblock number. the exact LEB bestie 💖

💅 DESCRIPTION 💅

So this function locks a logical eraseblock for writing. That's the assignment, and it ate. 🔥

It returns zero in case of success, and a negative error code in case of failure. no cap — zero is the slay outcome, negative error code is the "oop, something went sideways" outcome. 😭

🦋 SEE ALSO 🦋

• 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_read_unlock(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)

okay bye bestie 🫶 this page's source/version is ./drivers/mtd/ubi, it's dated October 2026, and the title is leb_write_lock(9). stay locked and stay iconic 💜✨