gfs2_unstuff_dinode(9)

💖 gfs2_unstuff_dinode(9) 💖

okay so bestie, welcome to the Kernel API Manual ✨ — this one's a kernel-level function page from the ./fs/gfs2/bmap.c file, and it's literally about un-stuffing a dinode. yes that's the real name. no I'm not making it up. 🎀

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✨ NAME ✨

gfs2_unstuff_dinode — unstuff a dinode when the data has grown too big 💅

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🦋 SYNOPSIS 🦋

int gfs2_unstuff_dinode (struct gfs2_inode *ip );

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🌸 ARGUMENTS 🌸

• ip — the GFS2 inode you wanna unstuff, bestie. that's the one. 🫶

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🔥 DESCRIPTION 🔥

so this routine unstuffs a dinode and puts it back into a "normal" state — and the whole point of that is so the height can then be grown the traditional way. periodt. 🌈

like, the dinode got stuffed (data crammed in), it grew too big, and now we're returning it to normal so the growth can happen the classic way. it's giving glow-up. it's giving main character energy. ✨

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👑 RETURN 👑

errno — that's it, that's the return value. 💜

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⭐ SEE ALSO ⭐

kernel file ./fs/gfs2/bmap.c — and literally the whole friend group:

• gfs2_unstuffer_folio(9)
• find_metapath(9)
• metaptr1(9)
• metapointer(9)
• lookup_metapath(9)
• fillup_metapath(9)
• gfs2_extent_length(9)
• gfs2_hole_size(9)
• __gfs2_iomap_alloc(9)
• gfs2_alloc_size(9)
• __gfs2_iomap_get(9)
• gfs2_block_map(9)
• gfs2_journaled_truncate(9)
• sweep_bh_for_rgrps(9)
• find_nonnull_ptr(9)
• punch_hole(9)
• do_shrink(9)
• do_grow(9)
• gfs2_setattr_size(9)
• gfs2_free_journal_extents(9)
• gfs2_add_jextent(9)
• gfs2_map_journal_extents(9)
• gfs2_write_alloc_required(9)

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ngl bestie, if you're here you're probably deep in fs/gfs2 at 2am and honestly? iconic. 🔥

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and that's the page!! 💖 from the ./fs/gfs2 source tree, October 2026 edition — slay, go unstuff something, ily, bye 🎀🦋✨💅