Re: [Xen-devel] [Qemu-devel] [QEMU PATCH] block: Remove blk_attach_dev_legacy() / legacy_dev code

[Kevin Wolf <kwolf@xxxxxxxxxx>]

Am 22.01.2019 um 15:19 hat Thomas Huth geschrieben:
> On 2018-12-18 17:11, Thomas Huth wrote:
> > The last user of blk_attach_dev_legacy() is the code in xen_disk.c.
> > It passes a pointer to a XenBlkDev as second parameter. XenBlkDev
> > is derived from XenDevice which in turn is derived from DeviceState
> > since commit 3a6c9172ac5951e ("xen: create qdev for each backend device").
> > Thus the code can also simply use blk_attach_dev() with a pointer
> > to the DeviceState instead.
> > So we can finally remove all code related to the "legacy_dev" flag, too,
> > and turn the related "void *" in block-backend.c into "DeviceState *"
> > to fix some of the remaining TODOs there.
> > 
> > Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
> > ---
> >  Note: I haven't tested the Xen code since I don't have a working Xen
> >  installation at hand. I'd appreciate if someone could check it...
> 
> Ping?

This needs a rebase. xen_disk.c doesn't even exist any more and
blk_attach_dev_legacy() is really dead code now.

The work on the Xen block device is the reason why I didn't merge this
patch yet. I thought I had sent a reply to that effect, but it seems I
hadn't. Sorry for that!

Kevin

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