badblocks_store(9)

💾 badblocks_store(9) — Kernel API Manual bestie ✨

okay so we're in the Kernel API Manual, and the function on the syllabus is badblocks_store(9). it's giving sysfs-meets-bad-blocks, and we're gonna read every single detail together, bestie 🫶

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🌸 NAME 🌸

badblocks_store — sysfs access to bad-blocks list. periodt 💅

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✨ SYNOPSIS ✨

ssize_t badblocks_store (struct badblocks *bb , const char *page ,
size_t len , int unack );

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🎀 ARGUMENTS 🎀

• bb — the badblocks structure that holds all badblock information. iconic little container, no cap 💖
• page — the buffer received from sysfs. it's the data drop-off spot 🦋
• len — length of data received from sysfs. yes, the actual length, bestie 📏
• unack — the original says “weather to show unacknowledged badblocks” 👀 so that's the weather spelling, kept exactly; it's about showing unacknowledged badblocks 💅

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🔥 RETURN 🔥

Length of the buffer processed, or -ve error. so: processed length when it slays, negative error when it doesn't 😭

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🦋 SEE ALSO 🦋

• Kernel file ./block/badblocks.c — the source file in question, iykyk 📁
• badblocks_check(9)
• badblocks_set(9)
• badblocks_clear(9)
• ack_all_badblocks(9)
• badblocks_show(9)
• badblocks_init(9)
• badblocks_exit(9)

all the badblocks besties in one group chat 🫶✨

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💖 cute sign-off: source/version is ./block, date is October 2026, and it's still serving badblocks_store(9) realness. mwah! 💋