Date: Tue, 22 Jul 2014 22:56:19 +0400 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Marcel Moolenaar <marcel@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r268986 - head/sys/geom/uzip Message-ID: <20140722185619.GA94673@zxy.spb.ru> In-Reply-To: <201407221730.s6MHU6Ej099771@svn.freebsd.org> References: <201407221730.s6MHU6Ej099771@svn.freebsd.org>
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On Tue, Jul 22, 2014 at 05:30:06PM +0000, Marcel Moolenaar wrote: > Author: marcel > Date: Tue Jul 22 17:30:05 2014 > New Revision: 268986 > URL: http://svnweb.freebsd.org/changeset/base/268986 > > Log: > In r264504, we prevented doing I/O for more than MAXPHYS by making > the assumption that consumers would respect bio_completed and/or > bio_resid to detect short reads. This assumption proved false and > file corruption was the result. > Create as many bios as we need to satisfy the original request. > Check the cached chunk every time we need to do I/O to increase the > hit rate. Can you check other cases I/O for more than MAXPHYS? I think caused by incorrect partition scheme.
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