Re: [Qemu-block] [PATCH v5 2/3] file-posix: Drop s->lock_fd

[Max Reitz]

On 16.11.18 14:58, Alberto Garcia wrote:
> On Fri 16 Nov 2018 02:34:25 PM CET, Max Reitz wrote:
>> To me that looks like a problem in the general reopen code.
>> raw_reopen_prepare() is called and succeeds.  Then
>> bdrv_reopen_prepare() notices the option wasn't handled and therefore
>> fails.  bdrv_reopen_multiple() thus doesn't set bs_entry->prepared to
>> true, which means raw_reopen_abort() won't be called.
>>
>> We should always call either BlockDriver.bdrv_reopen_commit() or
>> BlockDriver.bdrv_reopen_abort() when BlockDriver.bdrv_reopen_prepare()
>> succeeded.
> 
> So you mean getting rid of BlockReopenQueueEntry.prepared altogether?

I mean just calling .bdrv_reopen_abort() in bdrv_reopen_prepare() if
there was an error after .bdrv_reopen_prepare() succeeded.

I have a patch, I'm just trying to think of a useful test...

Max

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