From: Alberto Garcia <berto@igalia.com>
To: Eric Blake <eblake@redhat.com>, "Wang\,
Wei W" <wei.w.wang@intel.com>, Kevin Wolf <kwolf@redhat.com>
Cc: "lersek@redhat.com" <lersek@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"qemu-block@nongnu.org" <qemu-block@nongnu.org>,
"mreitz@redhat.com" <mreitz@redhat.com>
Subject: Re: Question on Compression for Raw Image
Date: Tue, 20 Oct 2020 16:49:02 +0200 [thread overview]
Message-ID: <w51blgxlzq9.fsf@maestria.local.igalia.com> (raw)
In-Reply-To: <ec72d814-109c-4ed9-cb26-32b9d903f8c2@redhat.com>
On Tue 20 Oct 2020 04:32:23 PM CEST, Eric Blake wrote:
> My recommendation would be implementing a new BDS filter that does
> uncompression. Then, you could do things like:
>
> raw -> decompress -> file.xz
This would work, although read-only and you would need a compression
format that supports random access (I think that's the case with xz, at
least if you compress it using small blocks).
Berto
next prev parent reply other threads:[~2020-10-20 14:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-20 1:31 Question on Compression for Raw Image Wang, Wei W
2020-10-20 8:00 ` Kevin Wolf
2020-10-20 14:22 ` Wang, Wei W
2020-10-20 14:32 ` Eric Blake
2020-10-20 14:42 ` Richard W.M. Jones
2020-10-20 14:49 ` Alberto Garcia [this message]
2020-10-20 14:36 ` Alberto Garcia
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