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Date:	Fri, 17 Oct 2014 19:38:37 -0400
From:	"Martin K. Petersen" <>
To:	Christoph Hellwig <>
Subject: Re: [PATCH 2/5] block: add function to issue compare and write

>>>>> "Christoph" == Christoph Hellwig <> writes:

Christoph> We already have req->cmd_type which actually is a fairly good
Christoph> description of what we get except for REQ_TYPE_FS, which is a
Christoph> horrible overload using req->cmd_flags.

Christoph> Given that you're just one of many currently ongoing patches
Christoph> to add more flags here I think you need to byte the bullet
Christoph> and fix this up by replacing REQ_TYPE_FS with:


The problem with this is that, as it stands, a bio has no type. And it
would suck if we couldn't keep bio rw and request flags in sync.

I wonder if it would make more sense to move the remaining rq types to
cmd_flags after I'm done with the 64-bit conversion?

Martin K. Petersen	Oracle Linux Engineering
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