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Groups > linux.kernel > #1456501

Re: [PATCH 37/45] drivers: use req op accessor

From Christoph Hellwig <hch@infradead.org>
Newsgroups linux.kernel
Subject Re: [PATCH 37/45] drivers: use req op accessor
Date 2016-08-04 17:50 +0200
Message-ID <s2t4d-2PF-11@gated-at.bofh.it> (permalink)
References <rGM3T-2uj-3@gated-at.bofh.it> <rGM3U-2uj-11@gated-at.bofh.it> <s2cZr-dY-23@gated-at.bofh.it> <s2e5c-U8-19@gated-at.bofh.it> <s2f1g-1tP-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Aug 03, 2016 at 07:30:29PM -0500, Shaun Tancheff wrote:
> I think the translation in loop.c is suspicious here:
> 
>     "if use DIO && not (a flush_flag or discard_flag)"
> should translate to:
>     "if use DIO && not ((a flush_flag) || op == discard)"
> 
> But in the patch I read:
>     "if use DIO && ((not a flush_flag) || op == discard)
> 
> Which would have DIO && discards follow the AIO path?

Indeed.  Sorry for missing out on your patch, I just sent a fix
in reply to Dave's other report earlier which is pretty similar to
yours.

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Thread

Re: [PATCH 37/45] drivers: use req op accessor Ross Zwisler <zwisler@gmail.com> - 2016-08-04 00:40 +0200
  Re: [PATCH 37/45] drivers: use req op accessor Mike Christie <mchristi@redhat.com> - 2016-08-04 01:50 +0200
    Re: [PATCH 37/45] drivers: use req op accessor Shaun Tancheff <shaun.tancheff@seagate.com> - 2016-08-04 02:50 +0200
      Re: [PATCH 37/45] drivers: use req op accessor Mike Christie <mchristi@redhat.com> - 2016-08-04 07:50 +0200
      Re: [PATCH 37/45] drivers: use req op accessor Christoph Hellwig <hch@infradead.org> - 2016-08-04 17:50 +0200
        Re: [PATCH 37/45] drivers: use req op accessor Shaun Tancheff <shaun.tancheff@seagate.com> - 2016-08-04 18:40 +0200

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