ubi_is_fm_vol(9)

💅 ubi_is_fm_vol(9) — the kernel API manual, but make it make sense

okay so bestie, welcome to ubi_is_fm_vol(9) 💖 this is a kernel API page, and honestly? it's a short one, which we love for you. no cap, it does exactly one (1) thing and it does it slayfully.

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✨ NAME ✨

ubi_is_fm_vol — check whether a volume ID is a Fastmap volume.

like literally it's a vibe check for volume IDs. is this one a Fastmap volume or not? that's the whole gig 🫶

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🌸 SYNOPSIS 🌸

bool ubi_is_fm_vol (int vol_id );

returns a bool, takes an int. simple. iconic. no notes 💅

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🎀 ARGUMENTS 🎀

• vol_id — volume ID. that's it, that's the whole argument. this is the ID of the volume you're asking about, bestie. hand it over and let the function do its thing ✨

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🦋 SEE ALSO 🦋

okay this is the part where the manpage goes full main-character and lists literally everyone in the friend group 😭 all of these live in the kernel file ./drivers/mtd/ubi/ubi.h:

• struct ubi_vid_io_buf(9)
• struct ubi_wl_entry(9)
• struct ubi_ltree_entry(9)
• struct ubi_rename_entry(9)
• struct ubi_fastmap_layout(9)
• struct ubi_fm_pool(9)
• struct ubi_eba_leb_desc(9)
• struct ubi_volume(9)
• struct ubi_volume_desc(9)
• struct ubi_debug_info(9)
• struct ubi_device(9)
• struct ubi_ainf_peb(9)
• struct ubi_ainf_volume(9)
• struct ubi_attach_info(9)
• struct ubi_work(9)
• ubi_init_vid_buf(9)
• ubi_free_vid_buf(9)
• ubi_get_vid_hdr(9)
• ubi_ro_mode(9)
• vol_id2idx(9)
• idx2vol_id(9)
• ubi_find_fm_block(9)

like. the whole squad. go read them, iykyk 🌈👑

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real talk: this page has no DESCRIPTION, no OPTIONS, no EXAMPLES, no exit statuses. it's just a tiny bool-shaped queen doing her job. we respect her for that 💜

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and that's the whole page, bestie!! 🍓 this one came from ./drivers/mtd/ubi and it's dated October 2026 — so yeah, mark your calendar, screenshot it, put it on the fridge, that's the source and the date, mwah 💖🧚✨