linux-kernel - Re: [PATCH 00/23] per device dirty throttling -v8

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: <20070805203413.GA25107@infradead.org>
Date:	Sun, 5 Aug 2007 21:34:13 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Theodore Tso <tytso@....edu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	J?rn Engel <joern@...fs.org>, Ingo Molnar <mingo@...e.hu>,
	Jeff Garzik <jeff@...zik.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, linux-mm@...ck.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	miklos@...redi.hu, akpm@...ux-foundation.org, neilb@...e.de,
	dgc@....com, tomoki.sekiyama.qu@...achi.com, nikita@...sterfs.com,
	trond.myklebust@....uio.no, yingchao.zhou@...il.com,
	richard@....demon.co.uk, david@...g.hm
Subject: Re: [PATCH 00/23] per device dirty throttling -v8

On Sun, Aug 05, 2007 at 11:01:18AM -0700, Arjan van de Ven wrote:
> 
> on the journalling side this would be one transaction (not 5 milion)
> and... since inodes are grouped on disk, you can even get some better
> coalescing this way... 
> 
> Wonder if we could do inode-grouping smartly; eg if we HAVE to write
> inode X, also write out the atime-dirty inodes in range X-Y to X+Y
> (where Y is some tunable) in the same IO..

We already have filesystems in the tree that do such advances things as
inode writeback clustering for more than ten years :)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/