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Re: [PATCH v4 1/1] qemu-img: Add --target-is-zero to convert

From: Vladimir Sementsov-Ogievskiy
Subject: Re: [PATCH v4 1/1] qemu-img: Add --target-is-zero to convert
Date: Wed, 5 Feb 2020 14:25:36 +0300
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1

05.02.2020 14:02, David Edmondson wrote:
In many cases the target of a convert operation is a newly provisioned
target that the user knows is blank (reads as zero). In this situation
there is no requirement for qemu-img to wastefully zero out the entire

Add a new option, --target-is-zero, allowing the user to indicate that
an existing target device will return zeros for all reads.

Signed-off-by: David Edmondson<address@hidden>

Reviewed-by: Vladimir Sementsov-Ogievskiy <address@hidden>

Best regards,

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