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由 James Bottomley 提交于
Here's the proof of concept for this one. It converts scsi_wait_req to do correct REQ_BLOCK_PC submission (and works nicely in my setup). The final goal should be to eliminate struct scsi_request, but that can't be done until the character submission paths of sg and st are also modified. There's some loss of functionality to this: retries are no longer controllable (except by setting REQ_FASTFAIL) and the wait_req API needs to be altered, but it looks very nice. Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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