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[SCSI] 3w-xxxx: remove unnecessary local_irq_save/restore for scsi sg copy API
Since the commit 50bed2e286
(sg: disable
interrupts inside sg_copy_buffer), no need to disable interrupts
before calling scsi_sg_copy_from_buffer. So we can simplify
tw_transfer_internal, which disables interrupts just for
scsi_sg_copy_from_buffer.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>\
Acked-by: Adam Radford <linuxraid@amcc.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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parent
aa198bf1da
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0723d4a806
@ -1466,12 +1466,7 @@ static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id)
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static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
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void *data, unsigned int len)
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{
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struct scsi_cmnd *cmd = tw_dev->srb[request_id];
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unsigned long flags;
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local_irq_save(flags);
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scsi_sg_copy_from_buffer(cmd, data, len);
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local_irq_restore(flags);
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scsi_sg_copy_from_buffer(tw_dev->srb[request_id], data, len);
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}
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/* This function is called by the isr to complete an inquiry command */
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