From: hch@lst.de (Christoph Hellwig)
Subject: [PATCHv2 08/11] nvme: add ANA support
Date: Fri, 25 May 2018 15:31:03 +0200 [thread overview]
Message-ID: <20180525133103.GC24601@lst.de> (raw)
In-Reply-To: <BN7PR06MB4033432F1B35CFF325D6502E926B0@BN7PR06MB4033.namprd06.prod.outlook.com>
On Wed, May 23, 2018@11:52:05AM +0000, Popuri, Sriram wrote:
> Thanks for addressing our comments. Overall looks good and have few comments as below:
>
> 1) I guess it should be bit 6 not bit 7.
> - if (ctrl->anacap & (1 << 7))
> +if (ctrl->anacap & (1 << 6))
> 2) If you resubmit because ana_xfer_size is restricted by mdts, you need to get nvme_ana_rsp_hdr at last and revalidate chgcnt. Otherwise the log you read might be corrupt.
We can sensibly chunk the ANA log page anyway. So if a controller
has NANAGRPID/MNAN config where we can't sensible read it in a single
operation we better reject the ANA support as buggy early on.
> 3) NVME_SC_ANA_TRANSITION used instead of NVME_ANA_CHANGE in nvme_process_ana_log (two places)
> 4) Can you add info level debug for ANA state changes so its helpful for debugging.
My original code had, and Hannes code has it at least in some places.
next prev parent reply other threads:[~2018-05-25 13:31 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-22 9:09 [PATCHv2 00/11] nvme: ANA support Hannes Reinecke
2018-05-22 9:09 ` [PATCHv2 01/11] nvme.h: untangle AEN notice definitions Hannes Reinecke
2018-05-22 9:09 ` [PATCHv2 02/11] nvme: submit AEN event configuration on startup Hannes Reinecke
2018-05-22 10:00 ` Christoph Hellwig
2018-05-22 10:55 ` Hannes Reinecke
2018-05-22 9:09 ` [PATCHv2 03/11] nvmet: refactor AER handling Hannes Reinecke
2018-05-22 9:09 ` [PATCHv2 04/11] nvmet: Add AEN configuration support Hannes Reinecke
2018-05-22 10:01 ` Christoph Hellwig
2018-05-22 10:56 ` Hannes Reinecke
2018-05-22 9:09 ` [PATCHv2 05/11] nvme.h: add ANA definitions Hannes Reinecke
2018-05-22 9:09 ` [PATCHv2 06/11] nvme: add support for the log specific field Hannes Reinecke
2018-05-22 9:10 ` [PATCHv2 07/11] nvme: always failover on path or transport errors Hannes Reinecke
2018-05-25 13:24 ` Christoph Hellwig
2018-05-22 9:10 ` [PATCHv2 08/11] nvme: add ANA support Hannes Reinecke
2018-05-23 11:52 ` Popuri, Sriram
2018-05-23 13:19 ` Hannes Reinecke
2018-05-25 13:31 ` Christoph Hellwig [this message]
2018-05-25 13:28 ` Christoph Hellwig
2018-05-25 14:32 ` Hannes Reinecke
2018-05-31 10:21 ` Sagi Grimberg
2018-05-22 9:10 ` [PATCHv2 09/11] nvmet: add a new nvmet_zero_sgl helper Hannes Reinecke
2018-05-22 9:10 ` [PATCHv2 10/11] nvmet: split log page implementation Hannes Reinecke
2018-05-22 9:10 ` [PATCHv2 11/11] nvmet: ANA support Hannes Reinecke
2018-05-22 10:05 ` Christoph Hellwig
2018-05-22 11:05 ` Hannes Reinecke
2018-05-25 13:34 ` Christoph Hellwig
2018-05-31 10:27 ` 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=20180525133103.GC24601@lst.de \
--to=hch@lst.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).