From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Jeff Moyer <jmoyer@redhat.com>
Cc: axboe@kernel.dk, martin.petersen@oracle.com,
JBottomley@parallels.com, bcrl@kvack.org,
viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org,
linux-aio@kvack.org, linux-scsi@vger.kernel.org,
linux-mm@kvack.org
Subject: Re: [RFC PATCH 0/5] userspace PI passthrough via AIO/DIO
Date: Fri, 21 Mar 2014 14:39:59 -0700 [thread overview]
Message-ID: <20140321213959.GC5437@birch.djwong.org> (raw)
In-Reply-To: <x49wqfny4ys.fsf@segfault.boston.devel.redhat.com>
On Fri, Mar 21, 2014 at 10:57:31AM -0400, Jeff Moyer wrote:
> "Darrick J. Wong" <darrick.wong@oracle.com> writes:
>
> > This RFC provides a rough implementation of a mechanism to allow
> > userspace to attach protection information (e.g. T10 DIF) data to a
> > disk write and to receive the information alongside a disk read. The
> > interface is an extension to the AIO interface: two new commands
> > (IOCB_CMD_P{READ,WRITE}VM) are provided. The last struct iovec in the
>
> Sorry for the shallow question, but what does that M stand for?
Hmmm... I really don't remember why I picked 'M'. Probably because it implied
that the IO has extra 'M'etadata associated with it.
But now I see, 'VM' connotes something entirely wrong.
--D
>
> Cheers,
> Jeff
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next prev parent reply other threads:[~2014-03-21 21:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-21 4:30 [RFC PATCH 0/5] userspace PI passthrough via AIO/DIO Darrick J. Wong
2014-03-21 4:30 ` [PATCH 1/5] fs/bio-integrity: remove duplicate code Darrick J. Wong
2014-03-21 4:30 ` [PATCH 2/5] aio/dio: enable DIX passthrough Darrick J. Wong
2014-03-21 4:31 ` [PATCH 3/5] aio/dio: allow user to ask kernel to fill in parts of the protection info Darrick J. Wong
2014-03-21 4:31 ` [PATCH 4/5] aio/dio: advertise possible userspace flags Darrick J. Wong
2014-03-21 4:31 ` [PATCH 5/5] blk-integrity: refactor various routines Darrick J. Wong
2014-03-21 14:57 ` [RFC PATCH 0/5] userspace PI passthrough via AIO/DIO Jeff Moyer
2014-03-21 21:39 ` Darrick J. Wong [this message]
2014-03-21 23:48 ` Zach Brown
2014-03-21 18:23 ` Zach Brown
2014-03-21 21:44 ` Benjamin LaHaise
2014-03-21 22:54 ` Darrick J. Wong
2014-03-22 0:29 ` Zach Brown
2014-03-22 2:32 ` Darrick J. Wong
2014-03-22 9:43 ` Darrick J. Wong
2014-03-23 14:02 ` Jan Kara
2014-03-23 17:07 ` Darrick J. Wong
2014-03-21 22:20 ` Darrick J. Wong
2014-03-22 0:00 ` Zach Brown
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