From: Doug Ledford <dledford@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: neilb@suse.de, koverstreet@google.com,
linux-raid@vger.kernel.org, linux-bcache@vger.kernel.org
Subject: Re: [RFC PATCH 7/7] md: add bcache personality
Date: Fri, 18 May 2012 12:52:27 -0400 [thread overview]
Message-ID: <4FB67E4B.6000204@redhat.com> (raw)
In-Reply-To: <20120511194647.25770.88687.stgit@dwillia2-linux.jf.intel.com>
[-- Attachment #1: Type: text/plain, Size: 659 bytes --]
On 5/11/2012 3:46 PM, Dan Williams wrote:
> "Backing
> device" vs "cache device" is determined by slot number whereby the
> backing device slot is the highest number index.
That needs fixing. We used to do things by slot number long ago, and it
turned out to create lots of races on reconfiguring slot indexes and
moving devices around on rebuilds and stuff like that. I would have to
see us undo that fix when it comes to bcache.
--
Doug Ledford <dledford@redhat.com>
GPG KeyID: 0E572FDD
http://people.redhat.com/dledford
Infiniband specific RPMs available at
http://people.redhat.com/dledford/Infiniband
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 898 bytes --]
next prev parent reply other threads:[~2012-05-18 16:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-11 19:46 [RFC PATCH 0/7] bcache: md conversion Dan Williams
[not found] ` <20120511194327.25770.79292.stgit-p8uTFz9XbKgaePuBGzJMJzMJUdESFZ8XQQ4Iyu8u01E@public.gmane.org>
2012-05-11 19:46 ` [RFC PATCH 1/7] bcache: compile fix Dan Williams
2012-05-11 19:46 ` [RFC PATCH 2/7] bcache: disable lockdep, enable CONFIG_BCACHE=m Dan Williams
2012-05-11 19:46 ` [RFC PATCH 3/7] bcache: drop select COMPACTION Dan Williams
2012-05-11 19:46 ` [RFC PATCH 4/7] bcache: fix symlink removal Dan Williams
2012-05-11 19:46 ` [RFC PATCH 5/7] bcache: move to drivers/md/ Dan Williams
2012-05-11 19:46 ` [RFC PATCH 6/7] bcache: uplevel allocation of 'cached_dev' and 'cache' Dan Williams
2012-05-11 19:46 ` [RFC PATCH 7/7] md: add bcache personality Dan Williams
2012-05-18 16:52 ` Doug Ledford [this message]
2012-05-18 16:57 ` Dan Williams
2012-05-11 19:52 ` [RFC PATCH 0/7] bcache: md conversion Joseph Glanville
2012-05-14 23:15 ` Kent Overstreet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4FB67E4B.6000204@redhat.com \
--to=dledford@redhat.com \
--cc=dan.j.williams@intel.com \
--cc=koverstreet@google.com \
--cc=linux-bcache@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=neilb@suse.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).