nilfs_segcto...ropad_segsum(9)

💅 nilfs_segcto...ropad_segsum(9) — Kernel API Manual, bestie edition ✨

okay so real quick — yes the title is truncated with an ellipsis in the middle, that's just how the kernel man pages do it, we don't question it, we move on. This one lives in the Kernel API Manual and it's genuinely a little cutie. Let's get into it 🫶

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🌸 NAME 🌸

nilfs_segctor_zeropad_segsum — zero pad the rest of the segment summary area

(that's it. that's the whole vibe. it zeros the padding. she's simple, she's effective, we stan 💖)

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✨ SYNOPSIS ✨

void nilfs_segctor_zeropad_segsum (struct nilfs_sc_info *sci );

so it returns void, meaning no return value, meaning nothing comes back to you, meaning don't go looking for a result bestie, there isn't one 💀

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🎀 ARGUMENTS 🎀

• sci — the segment constructor object. that's the one and only thing you hand her. it's a struct nilfs_sc_info *, so it's a pointer to the segment constructor object, and like... that's the whole input list. one argument. minimal. iconic 👑

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🦋 DESCRIPTION 🦋

okay so here's what she does, and it's actually so straightforward:

nilfs_segctor_zeropad_segsum zero-fills unallocated space at the end of the current segment summary block.

that's it!! that's the function!! she takes the leftover unused space hanging out at the tail end of the current segment summary block and she fills it with zeros. no drama, no notes, no leftover stale bytes, just clean zeros. it's giving "tidying up before the guests arrive" energy 🧹✨

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🌈 SEE ALSO 🌈

like all of these siblings, they're all from the same family, and the family lives in the kernel file ./fs/nilfs2/segment.c — go say hi to the whole crew:

• nilfs_transaction_begin(9)
• nilfs_transaction_commit(9)
• nilfs_segctor_reset_segment_buffer(9)
• nilfs_write_root_mdt_inode(9)
• nilfs_free_segments(9)
• nilfs_segctor_begin_construction(9)
• nilfs_prepare_write_logs(9)
• nilfs_segctor_start_timer(9)
• nilfs_construct_segment(9)
• nilfs_construct_dsync_segment(9)
• nilfs_segctor_accept(9)
• nilfs_segctor_notify(9)
• nilfs_segctor_construct(9)
• nilfs_log_write_required(9)
• nilfs_segctor_thread(9)
• nilfs_segctor_destroy(9)
• nilfs_attach_log_writer(9)
• nilfs_detach_log_writer(9)

like yes it's a long list but that's the whole segment constructor friend group and they all show up together, iykyk 💜

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ngl there's no warnings, no exit statuses, no environment variables, and no bugs listed on this one — which is honestly such a refreshing change. she's a clean little function. no cap. 🍓

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mwah 💋 this page came from ./fs/nilfs2, dated October 2026, and it's filed under the Kernel API Manual — so if you ever forget where she came from, that's the receipt bestie 🧾💖