mnt_idmap_get(9)

💅 mnt_idmap_get(9) — a Kernel API Manual baddie 💅

🎀 NAME 🎀

mnt_idmap_get — get a reference to an idmapping. That's literally the whole errand, bestie. ✨

✨ SYNOPSIS ✨

okay so the signature is giving exactly this:

struct mnt_idmap * mnt_idmap_get (struct mnt_idmap *idmap );

🌸 ARGUMENTS 🌸

• idmap — the idmap to bump the reference on. yes bestie, that one 🫶

🦋 DESCRIPTION 🦋

If idmap is not the nop_mnt_idmap bump the reference count. that's the vibe check and it passed ✨

💖 RETURN 💖

idmap with reference count bumped if not_mnt_idmap isn't passed. iconic behavior, no notes 💅

👀 SEE ALSO 👀

go peek at the kernel file and these cuties:

• Kernel file ./fs/mnt_idmapping.c
• initial_idmapping(9)
• make_vfsuid(9)
• make_vfsgid(9)
• from_vfsuid(9)
• from_vfsgid(9)
• vfsgid_in_group_p(9)
• mnt_idmap_put(9)

💋 mwah — this page lives under source/version ./fs, dated October 2026. bye bestie 🫶