VOP_REALLOCBLKS(9)

💫 VOP_REALLOCBLKS — it's giving "kernel developer's manual" energy ✨

okay so bestie, welcome to VOP_REALLOCBLKS(9) — that's section 9 of the Kernel Developer's Manual, iykyk. this one's a lil niche but we're gonna get through it together, hand in hand, no cap. 🫶

---

🎀 NAME 🎀

VOP_REALLOCBLKS — rearrange blocks in a file to be contiguous 💅

like, it takes a file's blocks and shuffles them around so they're all snuggled up next to each other. cozy vibes only. 🌸

---

✨ SYNOPSIS ✨

#include <sys/param.h>
#include <sys/vnode.h>

int
VOP_REALLOCBLKS(struct vnode *vp, struct cluster_save *buflist);

yes the includes are literally required, don't skip them, they're not decorative 🎀

---

🦋 DESCRIPTION 🦋

okay so here's the tea on the arguments, bestie:

• vp — the file to manipulate. that's the vnode, the file we're about to rearrange. main character fr. 👑
• buflist — a list of buffers to rearrange. that's the struct cluster_save *, the whole squad of buffers getting moved around. 💖

This seems to be part of a work in progress.

and like… that's literally what the page says, bestie. it seems to be part of a work in progress. not me reading that and going 😭 — the documentation itself is admitting it doesn't fully know. iconic honestly. the honesty? unmatched. 💀

---

🌈 RETURN VALUES 🌈

zero is returned on success. zero = slay, we ate, no notes. ✨

otherwise, an error is returned. so like, anything that isn't zero is the kernel being like "girl, something went wrong" 🙈

---

🔥 SEE ALSO 🔥

• buf(9)
• vnode(9)

go read those too, they're the supporting cast and they deserve their flowers 🌸

---

👑 AUTHORS 👑

this manual page was written by Doug Rabson. king behavior, we love a documented syscall. 🫶

---

and that's the whole page, bestie — no skips, no crumbs left behind, every flag and arg accounted for. periodt. 💅

this cutie came from the Debian edition of the manual, dated July 24, 1996 — yes she's vintage, yes she still serves, we stan a timeless icon 🎀✨🦋