nilfs_palloc...c_block_init(9)

📦 version 7.3.1, in nixpkgs unstable

💫 nilfs_palloc_desc_block_init(9) 💫

okay so real talk, bestie — this is a page straight out of the Kernel API Manual, and it's about one very specific little function in nilfs2. buckle up, it's short but it's iconic.

✨ NAME ✨

nilfs_palloc_desc_block_init — literally just initializes the buffer of a group descriptor block. that's it. that's the whole job. she does one thing and she does it 💅

🦋 SYNOPSIS 🦋

void nilfs_palloc_desc_block_init (struct inode *inode , struct buffer_head *bh , void *from );

no return value, no drama — it's void, it just does the thing and moves on. main character energy fr fr.

🎀 ARGUMENTS 🎀

  • inode — the inode of the metadata file. yeah. that one. 👑
  • bh — the buffer head of the buffer that's about to get initialized. she's the guest of honor at this little makeover 🫶
  • from — the kernel address that's mapped for a chunk of the block. lowkey the map coordinates of where the action happens 🗺️

🌸 DESCRIPTION 🌸

ngl, this one comes with a whole disclaimer: this function does not yet support the case where block size > PAGE_SIZE.

like... it's giving "we'll get to it" and honestly? respect. but bestie, do NOT come at this function expecting big-block energy. it's not there yet 😭 periodt.

🔥 SEE ALSO 🔥

the whole friend group, in the kernel file ./fs/nilfs2/alloc.c:

like, that's a whole squad right there — a full palloc group chat and you know they all talk to each other 🧚💜

aaaand that's the whole page, bestie. live from ./fs/nilfs2, dated October 2026, signed off by your favorite manual, nilfs_palloc...c_block_init(9). slay, stay hydrated, and remember: block size > PAGE_SIZE is not supported yet 💖✨🎀

📦 where this page comes from