[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for t
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for the same drive |
Date: |
Fri, 21 Jan 2011 15:33:23 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10 |
Am 17.01.2011 19:31, schrieb Markus Armbruster:
> For reasons lost in the mist of time, we silently ignore multiple
> definitions for the same drive:
>
> $ qemu-system-x86_64 -nodefaults -vnc :1 -S -monitor stdio -drive
> if=ide,index=1,file=tmp.qcow2 -drive if=ide,index=1,file=nonexistant
> QEMU 0.13.50 monitor - type 'help' for more information
> (qemu) info block
> ide0-hd1: type=hd removable=0 file=tmp.qcow2 backing_file=tmp.img ro=0
> drv=qcow2 encrypted=0
>
> With if=none, this can become quite confusing:
>
> $ qemu-system-x86_64 -nodefaults -vnc :1 -S -monitor stdio -drive
> if=none,index=1,file=tmp.qcow2,id=eins -drive
> if=none,index=1,file=nonexistant,id=zwei -device ide-drive,drive=eins -device
> ide-drive,drive=zwei
> qemu-system-x86_64: -device ide-drive,drive=zwei: Property
> 'ide-drive.drive' can't find value 'zwei'
>
> The second -device fails, because it refers to drive zwei, which got
> silently ignored.
>
> Make multiple drive definitions fail cleanly.
>
> Signed-off-by: Markus Armbruster <address@hidden>
Dropped this one (and patch 5, which depends on it) from the block
branch again, it breaks -cdrom and probably other drives which are
created by default.
Kevin
- [Qemu-devel] [PATCH 0/5] -drive/drive_add fixes, Markus Armbruster, 2011/01/17
- [Qemu-devel] [PATCH 1/5] blockdev: Fix error message for invalid -drive CHS, Markus Armbruster, 2011/01/17
- [Qemu-devel] [PATCH 4/5] blockdev: Fix drive_del not to crash when drive is not in use, Markus Armbruster, 2011/01/17
- [Qemu-devel] [PATCH 3/5] blockdev: Reject multiple definitions for the same drive, Markus Armbruster, 2011/01/17
- [Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for the same drive,
Kevin Wolf <=
- [Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for the same drive, Markus Armbruster, 2011/01/21
- [Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for the same drive, Kevin Wolf, 2011/01/21
- [Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for the same drive, Markus Armbruster, 2011/01/21
- [Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for the same drive, Kevin Wolf, 2011/01/21
- [Qemu-devel] Re: [PATCH 3/5] blockdev: Reject multiple definitions for the same drive, Markus Armbruster, 2011/01/24
[Qemu-devel] [PATCH 2/5] blockdev: Make drive_init() use error_report(), Markus Armbruster, 2011/01/17
[Qemu-devel] [PATCH 5/5] blockdev: Fix drive_add for drives without media, Markus Armbruster, 2011/01/17
Re: [Qemu-devel] [PATCH 0/5] -drive/drive_add fixes, Stefan Hajnoczi, 2011/01/21
[Qemu-devel] Re: [PATCH 0/5] -drive/drive_add fixes, Kevin Wolf, 2011/01/21