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authorMarkus Armbruster <armbru@redhat.com>2011-01-28 11:21:40 +0100
committerKevin Wolf <kwolf@redhat.com>2011-01-31 10:42:42 +0100
commit27d6bf40edc346a61ade6d4c5d4f27f6b40acc81 (patch)
tree607105473a590a78369b14863e80dabcea6b9533 /hw/virtio.c
parent1960966d1b57628f730b66fe33cd2005846092e0 (diff)
blockdev: Fix regression in -drive if=scsi,index=N
Before commit 622b520f, index=12 meant bus=1,unit=5. Since the commit, it means bus=0,unit=12. The drive is created, but not the guest device. That's because the controllers we use with if=scsi drives (lsi53c895a and esp) support only 7 units, and scsi_bus_legacy_handle_cmdline() ignores drives with unit numbers exceeding that limit. Changing the mapping of index to bus, unit is a regression. Breaking -drive invocations that used to work just makes it worse. Revert the part of commit 622b520f that causes this, and clean up some. Note that the fix only affects if=scsi. You can still put more than 7 units on a SCSI bus with -device & friends. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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