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authorKevin Wolf2020-09-24 17:26:52 +0200
committerKevin Wolf2020-10-02 15:46:40 +0200
commitb57e4de079d90caca05fed5b45aeb642c6c29aa0 (patch)
treeb76720bec980669ca9e4ee67aa92382e9a00ea5e /softmmu/memory.c
parentqemu-storage-daemon: Use qmp_block_export_add() (diff)
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qemu-nbd: Use raw block driver for --offset
Instead of implementing qemu-nbd --offset in the NBD code, just put a raw block node with the requested offset on top of the user image and rely on that doing the job. This does not only simplify the nbd_export_new() interface and bring it closer to the set of options that the nbd-server-add QMP command offers, but in fact it also eliminates a potential source for bugs in the NBD code which previously had to add the offset manually in all relevant places. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200924152717.287415-7-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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