Date: Tue, 07 Dec 1999 10:24:28 -0800 From: Mike Smith <msmith@freebsd.org> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/kern kern_shutdown.c Message-ID: <199912071824.KAA02863@mass.cdrom.com> In-Reply-To: Your message of "Tue, 07 Dec 1999 10:09:47 PST." <199912071809.KAA30408@apollo.backplane.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> I just realized --- softupdates doesn't use the ordered tag at all. > It only issues writes for buffers that can be written out of order, > then waits for the SCSI command to complete before issuing the > dependancies. It'd be interesting to elide the wait and see if this improved throughput. It's not (really) much of a safeguard once you assume that disks/downstream caches are write-buffering things anyway. (Making that behaviour default would not be a good idea, but it'd be interesting to see what impact it might have.) -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199912071824.KAA02863>