folio_pos(9)

🌸 folio_pos(9) — Kernel API Manual, bestie edition 🌸

okay so this is folio_pos(9) from the Kernel API Manual, and it's honestly such a tiny icon. It gives you back the byte position of this folio in its file — that's the whole vibe. Periodt. 💅

✨ NAME ✨

folio_pos — Returns the byte position of this folio in its file.

🎀 SYNOPSIS 🎀

loff_t folio_pos (const struct folio *folio );

💖 ARGUMENTS 💖

• folio — The folio. That's the one, bestie. 🫶

🦋 SEE ALSO 🦋

All these cuties live around the Kernel file ./include/linux/pagemap.h, and here is the whole squad — no skips, no cap:

• filemap_set_wb_err(9)
• filemap_check_wb_err(9)
• filemap_sample_wb_err(9)
• file_sample_sb_err(9)
• mapping_set_error(9)
• mapping_set_large_folios(9)
• mapping_align_index(9)
• mapping_pmd_folio_support(9)
• folio_flush_mapping(9)
• folio_inode(9)
• folio_attach_private(9)
• folio_change_private(9)
• folio_detach_private(9)
• fgf_t(9)
• fgf_set_order(9)
• write_begin_get_folio(9)
• filemap_get_folio(9)
• filemap_lock_folio(9)
• filemap_grab_folio(9)
• find_get_page(9)
• find_lock_page(9)
• find_or_create_page(9)
• grab_cache_page_nowait(9)
• folio_next_index(9)
• folio_next_pos(9)
• folio_file_page(9)
• folio_contains(9)
• page_pgoff(9)
• linear_page_delta(9)
• linear_page_index(9)
• linear_anon_page_index(9)
• folio_trylock(9)
• folio_lock(9)
• lock_page(9)
• folio_lock_killable(9)
• filemap_range_needs_writeback(9)
• struct readahead_control(9)
• page_cache_sync_readahead(9)
• page_cache_async_readahead(9)
• readahead_folio(9)
• readahead_pos(9)
• readahead_length(9)
• readahead_index(9)
• readahead_count(9)
• readahead_batch_length(9)
• folio_mkwrite_check_truncate(9)
• i_blocks_per_folio(9)

mwah 💋 that's the page. Source/version: ./include/linux. Date: October 2026. folio_pos(9) out. 🎀✨