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[Qemu-devel] Re: [PATCH v3] Improve error handling in do_snapshot_blkdev

From: Kevin Wolf
Subject: [Qemu-devel] Re: [PATCH v3] Improve error handling in do_snapshot_blkdev()
Date: Mon, 07 Mar 2011 16:44:14 +0100
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10

Am 07.03.2011 16:27, schrieb address@hidden:
> From: Jes Sorensen <address@hidden>
> In case we cannot open the newly created snapshot image, try to fall
> back to the original image file and continue running on that, which
> should prevent the guest from aborting.
> This is a corner case which can happen if the admin by mistake
> specifies the snapshot file on a virtual file system which does not
> support O_DIRECT. bdrv_create() does not use O_DIRECT, but the
> following open in bdrv_open() does and will then fail.
> Signed-off-by: Jes Sorensen <address@hidden>

Thanks, applied to the block branch.


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