Skip site navigation (1)Skip section navigation (2)
Date:      13 Oct 2001 16:55:55 +0200
From:      Dag-Erling Smorgrav <des@ofug.org>
To:        Matt Dillon <dillon@earth.backplane.com>
Cc:        Mike Silbersack <silby@silby.com>, <cvs-committers@FreeBSD.ORG>, <cvs-all@FreeBSD.ORG>
Subject:   Re: cvs commit: src/sys/vm vnode_pager.c
Message-ID:  <xzpzo6vh9ms.fsf@flood.ping.uio.no>
In-Reply-To: <200110130005.f9D05Fb37190@earth.backplane.com>
References:  <20011012145142.L29945-100000@achilles.silby.com> <200110122026.f9CKQMS35969@earth.backplane.com> <200110130005.f9D05Fb37190@earth.backplane.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Matt Dillon <dillon@earth.backplane.com> writes:
>     Hmm.  in re-reading this I think I have to clarify something...
>     when I said 'before the dirty buffer is flushed' I meant that if you
>     write() a small file and then mmap/access it before the buf_daemon
>     gets around to flushing the buffer that was diritied by the write, then
>     the mmap/access will put the page into the weird state.  The same thing
>     can occur if you mmap() a file shared+RW and modify the fragment via
>     the mmap.

Hmm, cvsup doesn't seem to use mmap for I/O.  What do you mean by
"access" in this context?

DES
-- 
Dag-Erling Smorgrav - des@ofug.org

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?xzpzo6vh9ms.fsf>