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Re: [Qemu-devel] [PATCH] file-posix: add rough-block-status parameter

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] file-posix: add rough-block-status parameter
Date: Wed, 9 Jan 2019 17:42:51 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

On 09/01/19 12:23, Kevin Wolf wrote:
> Also note that this is only metadata preallocation; full preallocation
> will still return allocated for the protocol layer and so it will always
> be slow.

Full preallocation these days can create images with preallocated but
known-zero blocks, I think?


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