Re: [Qemu-devel] [PATCH] rev5: support colon in filenames

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Markus Armbruster wrote:
Anthony Liguori <aliguori@xxxxxxxxxx> writes:

Blue Swirl wrote:
Then how about something like:
 -drive name=hda,if=ide,cache=off,file_is_arg -filearg foo.img
 -drive name=vda,if=virtio,cache=writeback,file_comes_next  -patharg  foo.img
 -drive name=sdb,if=scsi,unit=1,fnarg -fnarg boo.img
The explicit ordering part seems clunky to me.  How about:

-drive name=vda,if=virtio -drive.vda.file filename.img

What's nice about this syntax is it generalizes well.  You could have:

-drive.vda.if virtio -drive.vda.file filename.img
-net nic,model=rtl8139,name=foo -net.foo.macaddr 00:11:43:55:44:22

Sanest proposal so far.  Just put filenames in separate arguments, as
with almost every other program.

Instead of name=, let's use id= from Gerd's qdev work.

Works for me.

Why "-drive.ID.NAME VALUE", "-net.ID.NAME VALUE" and so forth, i.e. one
option per object with parameters?  Assuming the ID name space is flat,
a single option suffices.  What about "-set ID.NAME=VALUE"?

Looks attractive on the surface.  Feels really difficult to implement :-)

Quoting is problematic.  Not only because it necessarily breaks some
filenames that used to work, also because the shell quotes, too.  I
don't enjoy counting backslashes.

Yup.

Regards,

Anthony Liguori
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