cache_key_lstart(9)

💖 cache_key_lstart(9) 💖

okay bestie, welcome to the Kernel API Manual ✨ this one is a tiny little function with big main-character energy, and it's here to hand you a very specific offset. no cap.

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🌸 NAME 🌸

cache_key_lstart — retrieves the logical start offset of a cache key 💅

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✨ SYNOPSIS ✨

u64 cache_key_lstart (struct pcache_cache_key *key );

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🎀 ARGUMENTS 🎀

• key — pointer to a pcache_cache_key structure 🫶

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🦋 DESCRIPTION 🦋

Returns the logical start offset for the cache key. that's it, that's the whole lore. it's giving "short and iconic" 💖

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🌈 SEE ALSO 🌈

Kernel file ./drivers/md/dm-pcache/cache.h — and the whole friend group:

• cache_seg_is_ctrl_seg(9)
• cache_seg_id_valid(9)
• cache_key_cutfront(9)
• cache_key_cutback(9)
• cache_key_data_crc(9)
• kset_onmedia_valid(9)
• cache_seg_remain(9)
• cache_key_invalid(9)
• cache_key_lend(9)
• cache_pos_onmedia_crc(9)

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💌 signed, sealed, delivered: this page comes from ./drivers/md/dm-pcache, dated October 2026. mwah 💋✨