gfs2_dir_read_data(9)

📦 version 7.3.1, in nixpkgs unstable

💖 gfs2_dir_read_data(9) 💖

okay bestie, so this is a page from the Kernel API Manual — yes, actual kernel docs, and yes, we're gonna make it cute. The star of the show is gfs2_dir_read_data, and the NAME section says it all:

gfs2_dir_read_data — Read a data from a directory inode 🌸

(it says "a data", and we're keeping that, because that's what it says. iconic.)

✨ SYNOPSIS ✨

int gfs2_dir_read_data (struct gfs2_inode *ip , __be64 *buf , unsigned
int size );

like, it takes three things, returns an int, and it's giving very "small function, big responsibilities" energy 🫶

🎀 ARGUMENTS 🎀

  • ip — The GFS2 Inode 💅 the directory inode in question, the main character honestly
  • buf — The buffer to place result into 🎀 that's your __be64 *, the lil landing zone for the data
  • size — Amount of data to transfer ✨ how much you're asking for, as an unsigned int

🌈 RETURN 🌈

The amount of data actually copied or the error 💀

(so like: number if it went well, error if it didn't. no cap, that's the whole deal.)

🦋 SEE ALSO 🦋

Kernel file ./fs/gfs2/dir.c — and honestly the whole friend group is here, so let's list them all because we don't skip anyone in this house:

bestie reminder: everything above is literally it — no extra behaviors, no invented flags. it reads directory data into a buffer, returns bytes copied or an error, and that's the vibe check passed ✅

okay that's the whole page, mwah 💋 — sourced from ./fs/gfs2, dated October 2026, and the title stays gfs2_dir_read_data(9) forever and ever, periodt 👑💜

📦 where this page comes from