gfs2_bmap(9)

🌸 gfs2_bmap(9) 🌸

okay so bestie, welcome to the Kernel API Manual — yes we're in kernel-land today, put your big-girl hat on, it's giving ✨filesystem internals✨ and honestly? iconic.

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💖 NAME 💖

gfs2_bmap — literally the Block map function, that's it, that's the whole vibe 🗺️💅

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✨ SYNOPSIS ✨

sector_t gfs2_bmap (struct address_space *mapping , sector_t lblock );

that's the whole signature, copy it exactly please, no cap 🫶

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🎀 ARGUMENTS 🎀

• mapping — your Address space info bestie, the whole friend group of address space data 📂💖
• lblock — the block you wanna map, like the specific one, the main character block 👑

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🦋 RETURN 🦋

it hands you back The disk address for the block — slay — or 0 on hole or error 😭 so like, if you get a zero, don't come crying to me, that's a hole or an error, periodt 💀

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🔥 SEE ALSO 🔥

Kernel file ./fs/gfs2/aops.c — go read it, iykyk 📖✨ and also these absolute legends:

• gfs2_get_block_noalloc(9)
• gfs2_write_jdata_folio(9)
• __gfs2_jdata_write_folio(9)
• gfs2_jdata_writeback(9)
• gfs2_writepages(9)
• gfs2_write_jdata_batch(9)
• gfs2_write_cache_jdata(9)
• gfs2_jdata_writepages(9)
• stuffed_read_folio(9)
• gfs2_read_folio(9)
• gfs2_internal_read(9)
• gfs2_readahead(9)
• adjust_fs_space(9)
• gfs2_release_folio(9)

like, the whole squad fr fr 🌈💜

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ngl this one's short and sweet — no options, no env vars, no exit statuses, just vibes and a block map 🧚‍♀️

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k bye bestie, this page came from ./fs/gfs2, dated October 2026, and it's gfs2_bmap(9) forever 💖🎀✨ go map some blocks, you got this 🫶🌸