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由 Christoph Hellwig 提交于
Factor the DMA I/O path that is duplicated between read and write commands, into common helpers using the s->is_read flag added for the macio ATA controller. Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
cd369c46