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Re: [Qemu-devel] [PATCH] block: change default for discard and write zer

From: Denis V. Lunev
Subject: Re: [Qemu-devel] [PATCH] block: change default for discard and write zeroes to INT_MAX
Date: Mon, 2 Feb 2015 20:40:59 +0300
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 
On 02/02/15 20:34, Paolo Bonzini wrote:



On 02/02/2015 18:00, Denis V. Lunev wrote:



You are absolutely correct for NBD case but I do not get the
point about SIZE_MAX for gluster. There is no such definition
in their git at git://github.com/gluster/glusterfs nor in
public API headers in Ubuntu :(


SIZE_MAX is defined in stdint.h (provided by the C library).

Paolo


In this case the code should avoid overflow on 64bit arch.

OK, re-spinning.
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