fscache_use_cookie(9)

🌸 NAME 🌸

okay so this is fscache_use_cookie from the Kernel API Manual, section 9, and bestie it is literally Request usage of cookie attached to an object 💅

✨ SYNOPSIS ✨

void fscache_use_cookie (struct fscache_cookie *cookie , bool
       will_modify );

🎀 ARGUMENTS 🎀

• cookie — the cookie representing the cache object 🍪
• will_modify — if the cache is expected to be modified locally 👀

🦋 DESCRIPTION 🦋

So the whole vibe is: you're requesting usage of the cookie attached to an object. That's it, that's the request. 💖

The caller should tell the cache if the object's contents are about to be modified locally, and then the cache can apply the policy that has been set to handle this case. no cap, that's the important bit ✨

🌈 SEE ALSO 🌈

Kernel file ./include/linux/fscache.h — the source-of-truth file, and the whole friend group is:

• fscache_acquire_volume(9)
• fscache_relinquish_volume(9)
• fscache_acquire_cookie(9)
• fscache_unuse_cookie(9)
• fscache_relinquish_cookie(9)
• fscache_update_cookie(9)
• fscache_resize_cookie(9)
• fscache_invalidate(9)
• fscache_operation_valid(9)
• fscache_begin_read_operation(9)
• fscache_end_operation(9)
• fscache_read(9)
• fscache_begin_write_operation(9)
• fscache_write(9)
• fscache_clear_page_bits(9)
• fscache_write_to_cache(9)
• fscache_note_page_release(9)

okay that's the page, bestie 🫶 — brought to you by the source/version path ./include/linux, dated October 2026, and it's the fscache_use_cookie(9) page. periodt 💜