store_dscr_default(9)

📦 version 7.3.1, in nixpkgs unstable

💅 store_dscr_default(9) — like, the Kernel API Manual, section 9, bestie 🎀

okay so real talk, this one lives in the kernel API manual (section 9, functions), and it's genuinely iconic in a quiet way — it's the little function that updates the system wide DSCR default. yes, the system wide one. the whole system. one default. slay 💖

✨ NAME ✨

store_dscr_default — Update the system wide DSCR default 🦋

✨ SYNOPSIS ✨

ssize_t __used store_dscr_default (struct device *dev , struct device_attribute *attr , const char *buf , size_t count );

✨ ARGUMENTS ✨

like, four things go in, no cap:

  • dev — Device structure. this is the device struct, the whole vibe of "which device are we talking about" 🫶
  • attr — Device attribute structure. the device attribute struct, showing up as always ✨
  • buf — Interface buffer. the buffer from the interface — that's where your stuff comes in 🎀
  • count — Size of the update. literally just how big the update is, iykyk 💅

✨ DESCRIPTION ✨

bestie. listen. this function updates the system wide DSCR default value. that's the whole thing. that's the assignment, and it ate 🔥

system wide. not per-device, not per-anything-else. system wide. main character energy fr fr 👑

✨ SEE ALSO ✨

the kernel file in question is ./arch/powerpc/kernel/sysfs.c — and while you're in that neighborhood, go say hi to the friends:

go read all of them, don't leave them on read 😭 they're literally right there.

okay that's the page!! written from ./arch/powerpc/kernel, October 2026, for the Kernel API Manual 💜 bye bestie, go update that system wide DSCR default responsibly 🧚✨

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