From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Thierry Escande <thierry.escande@collabora.com>
Cc: Bart Van Assche <Bart.VanAssche@sandisk.com>,
"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Christoph Hellwig <hch@infradead.org>,
"Ewan D . Milne" <emilne@redhat.com>,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] sd: Ignore sync cache failures when not supported
Date: Tue, 16 May 2017 21:08:09 -0400 [thread overview]
Message-ID: <yq1wp9g9tom.fsf@oracle.com> (raw)
In-Reply-To: <1494506064-19680-1-git-send-email-thierry.escande@collabora.com> (Thierry Escande's message of "Thu, 11 May 2017 14:34:24 +0200")
Thierry,
> Some external hard drives don't support the sync command even though
> the hard drive has write cache enabled. In this case, upon suspend
> request, sync cache failures are ignored if the error code in the
> sense header is ILLEGAL_REQUEST. There's not much we can do for these
> drives, so we shouldn't fail to suspend for this error case. The drive
> may stay powered if that's the setup for the port it's plugged into.
Applied to 4.12/scsi-fixes, thanks!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2017-05-17 1:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-11 12:34 [PATCH v4] sd: Ignore sync cache failures when not supported Thierry Escande
2017-05-11 16:44 ` Ewan D. Milne
2017-05-17 1:08 ` Martin K. Petersen [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=yq1wp9g9tom.fsf@oracle.com \
--to=martin.petersen@oracle.com \
--cc=Bart.VanAssche@sandisk.com \
--cc=emilne@redhat.com \
--cc=hch@infradead.org \
--cc=jejb@linux.vnet.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=thierry.escande@collabora.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.