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[SCSI] ppa: convert to accessors and !use_sg cleanup

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- convert to accessors and !use_sg cleanup

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Tested-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Boaz Harrosh 2007-09-09 21:16:58 +03:00 committed by James Bottomley
parent 74286a3c27
commit 57643c711c
1 changed files with 5 additions and 7 deletions
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12
drivers/scsi/ppa.c
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@ -750,18 +750,16 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
cmd->SCp.phase++;
case 4: /* Phase 4 - Setup scatter/gather buffers */
if (cmd->use_sg) {
/* if many buffers are available, start filling the first */
cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
if (scsi_bufflen(cmd)) {
cmd->SCp.buffer = scsi_sglist(cmd);
cmd->SCp.this_residual = cmd->SCp.buffer->length;
cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
} else {
/* else fill the only available buffer */
cmd->SCp.buffer = NULL;
cmd->SCp.this_residual = cmd->request_bufflen;
cmd->SCp.ptr = cmd->request_buffer;
cmd->SCp.this_residual = 0;
cmd->SCp.ptr = NULL;
}
cmd->SCp.buffers_residual = cmd->use_sg - 1;
cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
cmd->SCp.phase++;
case 5: /* Phase 5 - Data transfer stage */