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Re: [Qemu-devel] [PATCH 11/31] block/raw: Fix to forward method bdrv_med
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-devel] [PATCH 11/31] block/raw: Fix to forward method bdrv_media_changed() |
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Date: |
Thu, 08 Sep 2011 09:40:14 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:6.0) Gecko/20110816 Thunderbird/6.0 |
Am 07.09.2011 21:25, schrieb Blue Swirl:
> On Tue, Sep 6, 2011 at 3:39 PM, Kevin Wolf <address@hidden> wrote:
>> From: Markus Armbruster <address@hidden>
>>
>> Block driver "raw" forwards most methods to the underlying block
>> driver. However, it doesn't implement method bdrv_media_changed().
>> Makes bdrv_media_changed() always return -ENOTSUP.
>>
>> I believe -fda /dev/fd0 gives you raw over host_floppy, and disk
>> change detection (fdc register 7 bit 7) is broken. Testing my theory
>> requires a computer museum, though.
>
> Or software to emulate ancient computers? Maybe such software could be
> already available to you? ;-)
In general, such software is buggy. ;-)
Kevin
- [Qemu-devel] [PATCH 04/31] async: Allow nested qemu_bh_poll calls, (continued)
- [Qemu-devel] [PATCH 04/31] async: Allow nested qemu_bh_poll calls, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 01/31] linux aio: some comments, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 03/31] qcow2: Fix error cases to run depedent requests, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 05/31] block: Attach non-qdev devices as well, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 06/31] block: Generalize change_cb() to BlockDevOps, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 08/31] ide: Update command code definitions as per ACS-2 Table B.2, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 07/31] block: Split change_cb() into change_media_cb(), resize_cb(), Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 09/31] ide: Clean up case label indentation in ide_exec_cmd(), Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 11/31] block/raw: Fix to forward method bdrv_media_changed(), Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 10/31] ide: Give vmstate structs internal linkage where possible, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 17/31] spitz tosa: Simplify "drive is suitable for microdrive" test, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 12/31] block: Leave tracking media change to device models, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 14/31] block: Clean up bdrv_flush_all(), Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 13/31] fdc: Make media change detection more robust, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 15/31] savevm: Include writable devices with removable media, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 20/31] VMDK: add twoGbMaxExtentSparse support, Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 16/31] xen: Clean up pci_piix3_xen_ide_unplug()'s test for "not a CD", Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 22/31] VMDK: Opening compressed extent., Kevin Wolf, 2011/09/06
- [Qemu-devel] [PATCH 23/31] VMDK: read/write compressed extent, Kevin Wolf, 2011/09/06