From: Christoph Hellwig <hch@lst.de>
To: Andrey Kuzmin <andrey.v.kuzmin@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, linux-nvme@lists.infradead.org
Subject: Re: [PATCH 4/4] nvme: support ranged discard requests
Date: Wed, 8 Feb 2017 14:36:32 +0100 [thread overview]
Message-ID: <20170208133632.GA13064@lst.de> (raw)
In-Reply-To: <CANvN+ekrmaCZaYt02wX1DRz4+hTLicjyP-tYDTTcKsWe2Lo5MQ@mail.gmail.com>
On Wed, Feb 08, 2017 at 01:32:22PM +0000, Andrey Kuzmin wrote:
> On Wed, Feb 8, 2017, 16:14 Christoph Hellwig <hch@lst.de> wrote:
>
> > NVMe supports up to 255 ranges per DSM command,
>
>
> 256 per spec, with number of ranges being zero-based.
You're right. I'll do another round of the patch. That beeing
said in my tests I never even managed to get three-digit ranges
anyway with any workload.
WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 4/4] nvme: support ranged discard requests
Date: Wed, 8 Feb 2017 14:36:32 +0100 [thread overview]
Message-ID: <20170208133632.GA13064@lst.de> (raw)
In-Reply-To: <CANvN+ekrmaCZaYt02wX1DRz4+hTLicjyP-tYDTTcKsWe2Lo5MQ@mail.gmail.com>
On Wed, Feb 08, 2017@01:32:22PM +0000, Andrey Kuzmin wrote:
> On Wed, Feb 8, 2017, 16:14 Christoph Hellwig <hch@lst.de> wrote:
>
> > NVMe supports up to 255 ranges per DSM command,
>
>
> 256 per spec, with number of ranges being zero-based.
You're right. I'll do another round of the patch. That beeing
said in my tests I never even managed to get three-digit ranges
anyway with any workload.
next prev parent reply other threads:[~2017-02-08 13:36 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-08 13:13 support for multi-range discard requests V2 Christoph Hellwig
2017-02-08 13:13 ` Christoph Hellwig
2017-02-08 13:13 ` [PATCH 1/4] block: move req_set_nomerge to blk.h Christoph Hellwig
2017-02-08 13:13 ` Christoph Hellwig
2017-02-08 13:13 ` [PATCH 2/4] block: enumify ELEVATOR_*_MERGE Christoph Hellwig
2017-02-08 13:13 ` Christoph Hellwig
2017-02-08 13:13 ` [PATCH 3/4] block: optionally merge discontiguous discard bios into a single request Christoph Hellwig
2017-02-08 13:13 ` Christoph Hellwig
2017-02-08 13:13 ` [PATCH 4/4] nvme: support ranged discard requests Christoph Hellwig
2017-02-08 13:13 ` Christoph Hellwig
2017-02-08 13:32 ` Andrey Kuzmin
2017-02-08 13:36 ` Christoph Hellwig [this message]
2017-02-08 13:36 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2017-02-08 13:46 support for multi-range discard requests V3 Christoph Hellwig
2017-02-08 13:46 ` [PATCH 4/4] nvme: support ranged discard requests Christoph Hellwig
2017-02-08 13:46 ` Christoph Hellwig
2017-02-15 10:45 ` Sagi Grimberg
2017-02-15 10:45 ` Sagi Grimberg
2017-02-07 16:46 support for multi-range " Christoph Hellwig
2017-02-07 16:46 ` [PATCH 4/4] nvme: support ranged " Christoph Hellwig
2017-02-07 16:46 ` Christoph Hellwig
2017-02-07 18:34 ` Keith Busch
2017-02-07 18:34 ` Keith Busch
2017-02-07 19:34 ` Christoph Hellwig
2017-02-07 19:34 ` Christoph Hellwig
2017-02-15 10:42 ` Sagi Grimberg
2017-02-15 10:42 ` Sagi Grimberg
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=20170208133632.GA13064@lst.de \
--to=hch@lst.de \
--cc=andrey.v.kuzmin@gmail.com \
--cc=axboe@kernel.dk \
--cc=linux-block@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
/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.