cache_seg_remain(9)

🌟 cache_seg_remain(9) 🌟

okay bestie, welcome to the Kernel API Manual — this one is short, sweet, and lowkey essential 💅✨

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💖 NAME 💖

cache_seg_remain — computes remaining space in a cache segment. that's the whole vibe 🫶

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✨ SYNOPSIS ✨

u32 cache_seg_remain (struct pcache_cache_pos *pos );

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🎀 ARGUMENTS 🎀

• pos — pointer to pcache_cache_pos structure. yes queen, that's the only argument 👑

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🦋 DESCRIPTION 🦋

Returns the amount of remaining space in the segment data starting from the current position offset.

literally that's it: you pass in pos, and it tells you how much room is left in the segment data from the current position offset. no cap, no extra lore 🌸

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🌈 SEE ALSO 🌈

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

• 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_key_invalid(9)
• cache_key_lstart(9)
• cache_key_lend(9)
• cache_pos_onmedia_crc(9)

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💌 source/version: ./drivers/md/dm-pcache · date: October 2026 · page: cache_seg_remain(9) — mwah, bye bestie! 💅✨