p9mode2perm(9)

💅 p9mode2perm(9) 💅

okay so real talk, this is a page straight out of the Kernel API Manual, and the star of the show is p9mode2perm — the little icon that converts plan9 mode bits into unix permission bits. it's giving translator, it's giving bilingual queen, no cap ✨

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🌸 NAME 🌸

p9mode2perm — convert plan9 mode bits to unix permission bits 🫶

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✨ SYNOPSIS ✨

int p9mode2perm (struct v9fs_session_info *v9ses , struct p9_wstat *stat
);

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🎀 ARGUMENTS 🎀

• v9ses — the v9fs session information, aka the whole vibe context of your session 💖
• stat — the p9_wstat you're pulling the mode out of; this is literally where the mode need to be derived from 👑

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🦋 SEE ALSO 🦋

bestie, the rabbit hole is deep and honestly kind of iconic. pull up the kernel file ./fs/9p/vfs_inode.c and then go meet the whole friend group:

• unixmode2p9mode(9) 💫
• p9mode2unixmode(9) 💫
• v9fs_uflags2omode(9) 💫
• v9fs_blank_wstat(9) 💫
• v9fs_alloc_inode(9) 💫
• v9fs_free_inode(9) 💫
• v9fs_evict_inode(9) 💫
• v9fs_at_to_dotl_flags(9) 💫
• v9fs_dec_count(9) 💫
• v9fs_remove(9) 💫
• v9fs_create(9) 💫
• v9fs_vfs_create(9) 💫
• v9fs_vfs_mkdir(9) 💫
• v9fs_vfs_lookup(9) 💫
• v9fs_vfs_unlink(9) 💫
• v9fs_vfs_rmdir(9) 💫
• v9fs_vfs_rename(9) 💫
• v9fs_vfs_getattr(9) 💫
• v9fs_vfs_setattr(9) 💫
• v9fs_stat2inode(9) 💫
• v9fs_vfs_get_link(9) 💫
• v9fs_vfs_mkspecial(9) 💫
• v9fs_vfs_symlink(9) 💫
• v9fs_vfs_link(9) 💫
• v9fs_vfs_mknod(9) 💫

like… that's the whole roster 😭 everyone's here, everyone ate 🔥

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ngl there's no OPTIONS section and no exit statuses on this one — it's just a clean little conversion function living its best life in ./fs/9p. no drama, no bugs listed, just vibes 💜

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mwah, that's a wrap 🧚💅 — this page lives in ./fs/9p, dated October 2026, and it goes by p9mode2perm(9) if you need to find it again. slay & goodbye 🎀🌈⭐