nilfs_palloc..._desc_nfrees(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸŽ€ NAME πŸŽ€

nilfs_palloc_group_desc_nfrees β€” the lil' function that tells you how many free entries are chillin' in a group πŸ’–

okay so bestie, manual name is nilfs_palloc..._desc_nfrees(9) and it lives in the Kernel API Manual, and yes we're getting into the nitty gritty of nilfs2 allocation today, slay ✨


✨ SYNOPSIS ✨

unsigned long nilfs_palloc_group_desc_nfrees (const struct
nilfs_palloc_group_desc *desc , spinlock_t *lock );

like, it returns an unsigned long, no cap 🫢


🌸 ARGUMENTS 🌸

  • desc β€” pointer to the descriptor structure for the group πŸ’… this is the main character, the lil' struct that knows things
  • lock β€” the spin lock protecting desc πŸ”’ keep her safe, okay??

⭐ RETURN ⭐

Number of free entries written in the group descriptor desc. that's it, that's the whole vibe β€” it reads the number that's literally already sitting in desc and hands it to you 😌


πŸ¦‹ SEE ALSO πŸ¦‹

Kernel file ./fs/nilfs2/alloc.c and honestly the whole friend group 🫢:


and that's the whole page, bestie πŸ’œ sourced from ./fs/nilfs2, dated October 2026, page nilfs_palloc..._desc_nfrees(9) β€” go read some kernel source, ily, bye πŸ§šβ€β™€οΈβœ¨

πŸ“¦ where this page comes from