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Re: [Qemu-stable] Something broken with ceph-rbd images since couple of

From: Oliver Francke
Subject: Re: [Qemu-stable] Something broken with ceph-rbd images since couple of days ( after block-changes)
Date: Thu, 25 Apr 2013 16:13:43 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4


thnx for the quick response... Not a C-coder any more, only wild-not-too-bad guessing ;)


On 04/25/2013 03:51 PM, Kevin Wolf wrote:
Am 25.04.2013 um 15:01 hat Oliver Francke geschrieben:

just encountered a bug while playing with latest aio_flush option in
ceph + qemu handling.

I got a "invalid argument" even with "qemu-img info rbd:pool/image.rbd".

Perhaps qemu_rbd_open is called with wrong number of params
somewhere else after expanding params with "QDict *options" in
block/rbd.c line around line 444 with current master.
( talking of qemu-54f106d)

Just as a quick note ;)
Thanks for the report, Oliver. The problem is the qemu_opts_del() in
line 481, which is too early. This frees the filename already when it's
still needed for the parsing.

I'm copying qemu-devel and Josh, just so everyone is informed. I'll try
to send a patch myself in a few minutes.



Oliver Francke

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