metaptr1(9)

✨ metaptr1 💖

okay bestie, this is metaptr1 from the Kernel API Manual — and she is lowkey iconic because she returns the first possible metadata pointer in a metapath buffer. periodt. 💅

🌸 NAME 🌸

metaptr1 — Return the first possible metadata pointer in a metapath buffer.

No cap, that's the whole assignment. ✨

🦋 SYNOPSIS 🦋

__be64 * metaptr1 (unsigned int height , const struct metapath *mp );

💖 ARGUMENTS 💖

• height — the metadata height, and yes bestie: 0 = dinode 👑
• mp — the metapath 🫶

🌈 SEE ALSO 🌈

The homegirl lives in the kernel file ./fs/gfs2/bmap.c, and here's the whole SEE ALSO crew — not me listing every single one, because we do not skip details in this house 💀✨

• Kernel file: ./fs/gfs2/bmap.c
• gfs2_unstuffer_folio(9)
• gfs2_unstuff_dinode(9)
• find_metapath(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)

xoxo, metaptr1(9) 💋 — signed off from ./fs/gfs2, October 2026 ✨🎀