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Re: [Qemu-block] [PATCH for-2.5 v2 0/4] block: replace IOV_MAX with Bloc


From: Stefan Hajnoczi
Subject: Re: [Qemu-block] [PATCH for-2.5 v2 0/4] block: replace IOV_MAX with BlockLimits.max_iov
Date: Mon, 23 Nov 2015 18:08:36 +0800
User-agent: Mutt/1.5.23 (2015-06-09)

On Wed, Nov 18, 2015 at 03:51:29PM +0100, Kevin Wolf wrote:
> Am 09.07.2015 um 11:56 hat Stefan Hajnoczi geschrieben:
> > v2:
> >  * Default to IOV_MAX instead of INT_MAX [Peter Lieven]
> > 
> > This series depends on "[PATCH] block/mirror: limit qiov to IOV_MAX 
> > elements".
> > 
> > IOV_MAX has been hardcoded in several places since preadv()/pwritev()/etc
> > refuse to take more iovecs per call.  That's actually an implementation 
> > detail
> > of raw-posix and we shouldn't spread that across the codebase.
> > 
> > This series adds BlockLimits.max_iov (similar to 
> > BlockLimits.max_transfer_len
> > and other fields).  Current IOV_MAX users are converted to 
> > blk_get_max_iov().
> > 
> > By the way, the IOV_MAX vs BlockLimits.max_iov naming is slightly confusing 
> > but
> > follows the BlockLimits field naming convention.  Once IOV_MAX is banished 
> > no
> > one will be bothered by the reverse naming anymore.
> > 
> > Suggested-by: Kevin Wolf <address@hidden>
> 
> I was just looking for patches marked as for-2.5 and found this one...
> Is there a reason it wasn't applied or did we just forget about it?

This series was forgotten.  I have applied it for QEMU 2.6 since it is
not a bug fix.

Stefan

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