From: Mark Hahn <hahn@mcmaster.ca>
To: Dan Williams <dan.j.williams@intel.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: [PATCH RFC 3/4] md: writeback caching policy for raid5 [experimental]
Date: Wed, 11 Apr 2007 18:40:05 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0704111837410.5557@coffee.psychology.mcmaster.ca> (raw)
In-Reply-To: <20070411060036.15745.7016.stgit@dwillia2-linux.ch.intel.com>
> In its current implementation write-back mode acknowledges writes before
> they have reached non-volatile media.
which is basically normal for unix, no?
are you planning to support barriers? (which are the block system's way
of supporting filesystem atomicity).
next prev parent reply other threads:[~2007-04-11 22:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-11 6:00 [PATCH RFC 0/4] raid5: write-back caching policy and write performance Dan Williams
2007-04-11 6:00 ` [PATCH RFC 1/4] md: introduce struct stripe_head_state Dan Williams
2007-04-11 6:00 ` [PATCH RFC 2/4] md: refactor raid5 cache policy code using 'struct stripe_cache_policy' Dan Williams
2007-04-11 6:00 ` [PATCH RFC 3/4] md: writeback caching policy for raid5 [experimental] Dan Williams
2007-04-11 22:40 ` Mark Hahn [this message]
2007-04-12 0:08 ` Williams, Dan J
2007-04-12 6:21 ` Neil Brown
2007-04-12 5:37 ` Al Boldi
2007-04-11 6:00 ` [PATCH RFC 4/4] md: delayed stripe activation Dan Williams
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