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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] [PATCH] Warn if a qcow (not qcow2) file is opened |
Date: | Tue, 30 Jun 2009 08:32:39 -0500 |
User-agent: | Thunderbird 2.0.0.21 (X11/20090320) |
Kevin Wolf wrote:
Avi Kivity schrieb:The qcow block driver format is no longer maintained and likely contains serious data corruptors. Urge users to stay away for it, and advertise the new and improved replacement. Signed-off-by: Avi Kivity <address@hidden>vvfat is using qcow internally, so the warning will appear there, too. Not that warning against vvfat would be a bad thing, but this error message could be confusing. Maybe we're lucky enough and vvfat survives a s/qcow/qcow2/, but I really never wanted to touch that code...
I'm not sure how I feel about this. Can we prove qcow is broken? Is it only broken for writes and not reads?
If we're printing a warning, does that mean we want to deprecate qcow and eventually remove it (or remove write support, at least)?
Regards, Anthony Liguori
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