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Re: [Qemu-block] [Qemu-devel] [PATCH] xen_disk: convert discard input to
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From: |
Olaf Hering |
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Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH] xen_disk: convert discard input to byte ranges |
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Date: |
Tue, 22 Nov 2016 18:00:01 +0100 |
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User-agent: |
Mutt/1.6.2 (6759) |
On Tue, Nov 22, Eric Blake wrote:
> if (sec_start + sec_count < sec_count ||
> sec_start > (INT64_MAX >> BDRV_SECTOR_BITS) - sec_count) {
> return false;
> }
My point was: how does this handle sec_start=0,sec_count=UINT64_MAX or
sec_start=INT64_MAX,sec_count=INT64_MAX? For me this gets past the if().
Olaf
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