Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5f60ef6ac7b6338ec9e82a0900185d554f476243
Commit: 5f60ef6ac7b6338ec9e82a0900185d554f476243
Parent: 4c688fc7df61874997be4588c889e2248c4ca195
Author: FUJITA Tomonori <[EMAIL PROTECTED]>
AuthorDate: Mon May 21 15:10:00 2007 +0900
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Sat May 26 16:30:17 2007 -0500
[SCSI] ibmmca: convert to use the data buffer accessors
- remove the unnecessary map_single path.
- convert to use the new accessors for the sg lists and the
parameters.
Jens Axboe <[EMAIL PROTECTED]> did the for_each_sg cleanup.
Signed-off-by: FUJITA Tomonori <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/scsi/ibmmca.c | 28 +++++++++++++---------------
1 files changed, 13 insertions(+), 15 deletions(-)
diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c
index bec242d..4275d1b 100644
--- a/drivers/scsi/ibmmca.c
+++ b/drivers/scsi/ibmmca.c
@@ -555,7 +555,7 @@ static irqreturn_t interrupt_handler(int irq, void *dev_id)
printk(KERN_ERR "IBM MCA SCSI: Fatal Subsystem
ERROR!\n");
printk(KERN_ERR " Last cmd=0x%x, ena=%x,
len=", lastSCSI, ld(shpnt)[ldn].scb.enable);
if (ld(shpnt)[ldn].cmd)
- printk("%ld/%ld,", (long)
(ld(shpnt)[ldn].cmd->request_bufflen), (long)
(ld(shpnt)[ldn].scb.sys_buf_length));
+ printk("%ld/%ld,", (long)
(scsi_bufflen(ld(shpnt)[ldn].cmd)), (long) (ld(shpnt)[ldn].scb.sys_buf_length));
else
printk("none,");
if (ld(shpnt)[ldn].cmd)
@@ -1708,7 +1708,7 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void
(*done) (Scsi_Cmnd *))
int target;
int max_pun;
int i;
- struct scatterlist *sl;
+ struct scatterlist *sg;
shpnt = cmd->device->host;
@@ -1829,20 +1829,18 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void
(*done) (Scsi_Cmnd *))
scb->tsb_adr = isa_virt_to_bus(&(ld(shpnt)[ldn].tsb));
scsi_cmd = cmd->cmnd[0];
- if (cmd->use_sg) {
- i = cmd->use_sg;
- sl = (struct scatterlist *) (cmd->request_buffer);
- if (i > 16)
- panic("IBM MCA SCSI: scatter-gather list too long.\n");
- while (--i >= 0) {
- ld(shpnt)[ldn].sge[i].address = (void *)
(isa_page_to_bus(sl[i].page) + sl[i].offset);
- ld(shpnt)[ldn].sge[i].byte_length = sl[i].length;
+ if (scsi_sg_count(cmd)) {
+ BUG_ON(scsi_sg_count(cmd) > 16);
+
+ scsi_for_each_sg(cmd, sg, scsi_sg_count(cmd), i) {
+ ld(shpnt)[ldn].sge[i].address = (void *)
(isa_page_to_bus(sg->page) + sg->offset);
+ ld(shpnt)[ldn].sge[i].byte_length = sg->length;
}
scb->enable |= IM_POINTER_TO_LIST;
scb->sys_buf_adr = isa_virt_to_bus(&(ld(shpnt)[ldn].sge[0]));
- scb->sys_buf_length = cmd->use_sg * sizeof(struct im_sge);
+ scb->sys_buf_length = scsi_sg_count(cmd) * sizeof(struct
im_sge);
} else {
- scb->sys_buf_adr = isa_virt_to_bus(cmd->request_buffer);
+ scb->sys_buf_adr = isa_virt_to_bus(scsi_sglist(cmd));
/* recent Linux midlevel SCSI places 1024 byte for inquiry
* command. Far too much for old PS/2 hardware. */
switch (scsi_cmd) {
@@ -1853,16 +1851,16 @@ static int ibmmca_queuecommand(Scsi_Cmnd * cmd, void
(*done) (Scsi_Cmnd *))
case REQUEST_SENSE:
case MODE_SENSE:
case MODE_SELECT:
- if (cmd->request_bufflen > 255)
+ if (scsi_bufflen(cmd) > 255)
scb->sys_buf_length = 255;
else
- scb->sys_buf_length = cmd->request_bufflen;
+ scb->sys_buf_length = scsi_bufflen(cmd);
break;
case TEST_UNIT_READY:
scb->sys_buf_length = 0;
break;
default:
- scb->sys_buf_length = cmd->request_bufflen;
+ scb->sys_buf_length = scsi_bufflen(cmd);
break;
}
}
-
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