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Re: [Qemu-block] [PATCH for-2.5 v2 0/4] block: replace IOV_MAX with Bloc
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-block] [PATCH for-2.5 v2 0/4] block: replace IOV_MAX with BlockLimits.max_iov |
Date: |
Wed, 18 Nov 2015 15:51:29 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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?
Kevin
- Re: [Qemu-block] [PATCH for-2.5 v2 0/4] block: replace IOV_MAX with BlockLimits.max_iov,
Kevin Wolf <=