linux-kernel - Re: [PATCH RFC md-6.16 v3 17/19] md/md-llbitmap: implement all bitmap operations

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250512051810.GB1667@lst.de>
Date: Mon, 12 May 2025 07:18:10 +0200
From: Christoph Hellwig <hch@....de>
To: Yu Kuai <yukuai1@...weicloud.com>
Cc: hch@....de, xni@...hat.com, colyli@...nel.org, agk@...hat.com,
	snitzer@...nel.org, mpatocka@...hat.com, song@...nel.org,
	yukuai3@...wei.com, linux-kernel@...r.kernel.org,
	dm-devel@...ts.linux.dev, linux-raid@...r.kernel.org,
	yi.zhang@...wei.com, yangerkun@...wei.com, johnny.chenyi@...wei.com
Subject: Re: [PATCH RFC md-6.16 v3 17/19] md/md-llbitmap: implement all
 bitmap operations

On Mon, May 12, 2025 at 09:19:25AM +0800, Yu Kuai wrote:
> And following APIs that are not needed:
>  - llbitmap_write_all, used in old bitmap to mark all pages need
>  writeback;
>  - llbitmap_daemon_work, used in old bitmap, llbitmap use timer to
>    trigger daemon;
>  - llbitmap_cond_end_sync, use to end sync for completed sectors(TODO,
>    don't affect functionality)
> And following APIs that are not supported:
>  - llbitmap_start_behind_write
>  - llbitmap_end_behind_write
>  - llbitmap_wait_behind_writes
>  - llbitmap_sync_with_cluster
>  - llbitmap_get_from_slot
>  - llbitmap_copy_from_slot
>  - llbitmap_set_pages
>  - llbitmap_free

Please just make these optional instead of implementing stubs.