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Re: [Qemu-devel] [QEMU PATCH] block: Remove blk_attach_dev_legacy() / le
Re: [Qemu-devel] [QEMU PATCH] block: Remove blk_attach_dev_legacy() / legacy_dev code
Tue, 22 Jan 2019 15:57:12 +0100
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1
On 2019-01-22 15:46, Kevin Wolf wrote:
> 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 <address@hidden>
>>> 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...
> This needs a rebase. xen_disk.c doesn't even exist any more and
> blk_attach_dev_legacy() is really dead code now.
Ah, great, that makes it even easier! I'll send a v2 to remove the