ENUM P9_CACHE_SHORTCUTS(9)

✨ NAME ✨

okay so bestie, this is enum p9_cache_shortcuts from the Kernel API Manual — it's literally the enum for human readable cache preferences. no cap, that's the whole vibe: cute lil named constants so you don't have to remember mystery numbers. 💅

🌸 SYNOPSIS 🌸

here's the enum exactly as it is, character for character, don't @ me:

enum p9_cache_shortcuts {
    CACHE_SC_NONE ,
    CACHE_SC_READAHEAD ,
    CACHE_SC_MMAP ,
    CACHE_SC_LOOSE ,
    CACHE_SC_FSCACHE

};

💖 Constants 💖

• CACHE_SC_NONE — disable all caches. like, every single one. bye 👋
• CACHE_SC_READAHEAD — only provide caching for readahead. that's it, that's the whole job.
• CACHE_SC_MMAP — provide caching to enable mmap. iconic behavior honestly 🫶
• CACHE_SC_LOOSE — non-coherent caching for files and meta data. lowkey chaotic but valid ✨
• CACHE_SC_FSCACHE — persistent non-coherent caching for files and meta-data. main character energy fr fr 👑

🔥 SEE ALSO 🔥

• Kernel file ./fs/9p/v9fs.h — go peek at enum p9_cache_bits(9), struct v9fs_session_info(9), v9fs_get_inode_from_fid(9), and v9fs_get_new_inode_from_fid(9). iykyk 💜

mwah 💋 this lil page lives at ./fs/9p and it's dated October 2026 — see u next time, bestie! 🫶✨