All of lore.kernel.org
 help / color / mirror / Atom feed
From: Christoph Hellwig <hch@lst.de>
To: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, linux-ide@vger.kernel.org
Subject: Re: [PATCH 1/2] libata: only call ->done once all per-tag ressources are released
Date: Mon, 5 Oct 2015 08:01:17 +0200	[thread overview]
Message-ID: <20151005060117.GA2294@lst.de> (raw)
In-Reply-To: <20151004173429.GD19652@htj.duckdns.org>

On Sun, Oct 04, 2015 at 01:34:29PM -0400, Tejun Heo wrote:
> Hmmm... has this actually been observed?  All these are run under ata
> port lock and so is the command issue path, so even if the tag gets
> reissued, it will have to wait till the completion path is done.

No - I stumbled over this while trying to debug
https://lkml.org/lkml/2015/6/25/620 (which could use some libata experience,
btw), but it didn't help.  I still would like to see it fixes as similar
patterns in SCSI drivers have caused crashes.

  reply	other threads:[~2015-10-05  6:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-03 17:21 libata: a fix and a cleanup Christoph Hellwig
2015-10-03 17:21 ` [PATCH 1/2] libata: only call ->done once all per-tag ressources are released Christoph Hellwig
2015-10-04 17:34   ` Tejun Heo
2015-10-05  6:01     ` Christoph Hellwig [this message]
2015-10-06 17:28       ` Tejun Heo
2015-10-08  8:25     ` [PATCH 1/2 v2] " Christoph Hellwig
2015-10-12 16:23       ` Tejun Heo
2015-10-03 17:21 ` [PATCH 2/2] libata: cleanup ata_scsi_qc_complete Christoph Hellwig
2015-10-04 17:39   ` Tejun Heo

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=20151005060117.GA2294@lst.de \
    --to=hch@lst.de \
    --cc=linux-ide@vger.kernel.org \
    --cc=tj@kernel.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.