> -----Original Message----- > From: centos-devel-bounces at centos.org > [mailto:centos-devel-bounces at centos.org] On Behalf Of Ross S. > W. Walker > Sent: Sunday, February 25, 2007 12:24 PM > To: centos-devel at centos.org > Subject: [CentOS-devel] Back-port md raid1/10 BIO_RW_SYNC > patch for DRBD > > > Attention CentOS Developers, > > Here is a back-port of Lars Ellenberg's md raid1/10 patch from 2.6.19+ > to 2.6.9. It seems the md raid1 and raid10 drivers were stripping the > BIO_RW_SYNC flags on requests which caused a severe > performance penalty > for DRBD when writing it's meta-data to these volumes. > > The patch is attached as well as inlined: <snip> Oh, here is the LKML link: http://lkml.org/lkml/2007/2/2/294 I'm a newbie at LKML so I am not sure how to find the commit notification. Cheers, Ross ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.