nilfs_copy_back_pages(9)

💅 nilfs_copy_back_pages(9) — bestie edition 💅

okay so bestie, this is the nilfs_copy_back_pages(9) page from the Kernel API Manual, and it is literally about copying pages back to the original cache from the shadow cache. Short page, iconic main-character energy. 🎀✨

✨ NAME ✨

nilfs_copy_back_pages — copy back pages to original cache from shadow cache 🦋

🌈 SYNOPSIS 🌈

       void nilfs_copy_back_pages (struct address_space *dmap , struct
       address_space *smap );

🫶 ARGUMENTS 🫶

• dmap — destination page cache 💖
• smap — source page cache 🦋

💀 DESCRIPTION 💀

Okay so here is the part where you gotta pay attention, no cap:

🚨 No pages must be added to the cache during this process. This must be ensured by the caller. 😭

That is the whole vibe check. Do not skip it. 💅

👑 SEE ALSO 👑

• Kernel file ./fs/nilfs2/page.c
• nilfs_forget_buffer(9)
• nilfs_copy_buffer(9)
• nilfs_folio_buffers_clean(9)
• nilfs_copy_folio(9)
• nilfs_clear_dirty_pages(9)
• nilfs_clear_folio_dirty(9)
• nilfs_find_uncommitted_extent(9)

okay that’s the page, bestie — bye! 💅✨ Source/version: ./fs/nilfs2 · Date: October 2026 · Page: nilfs_copy_back_pages(9) 🫶🎀