From: Mike Christie <mchristi@redhat.com>
To: Ilya Dryomov <idryomov@gmail.com>, ceph-devel@vger.kernel.org
Subject: Re: [PATCH] rbd: lock_on_read map option
Date: Sat, 24 Sep 2016 04:47:41 -0500 [thread overview]
Message-ID: <57E64BBD.4040407@redhat.com> (raw)
In-Reply-To: <1474554177-4029-1-git-send-email-idryomov@gmail.com>
On 09/22/2016 09:22 AM, Ilya Dryomov wrote:
> Add a per-device option to acquire exclusive lock on reads (in addition
> to writes and discards). The use case is iSCSI, where it will be used
> to prevent execution of stale writes after the implicit failover.
>
> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
> ---
> drivers/block/rbd.c | 13 ++++++++++++-
> 1 file changed, 12 insertions(+), 1 deletion(-)
>
Tested-by: Mike Christie <mchristi@redhat.com>
prev parent reply other threads:[~2016-09-24 9:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-22 14:22 [PATCH] rbd: lock_on_read map option Ilya Dryomov
2016-09-24 9:47 ` Mike Christie [this message]
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=57E64BBD.4040407@redhat.com \
--to=mchristi@redhat.com \
--cc=ceph-devel@vger.kernel.org \
--cc=idryomov@gmail.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.