diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2007-05-14 15:27:00 +0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2007-05-27 04:11:52 +0400 |
| commit | e1eaf460098e4fd168908af4e6951f921951e916 (patch) | |
| tree | 22cab30d8acb5d250b80039ebb948bc6498696ae /drivers/scsi | |
| parent | 9482ef855ef42acb8259f95296b1e93bfb474e74 (diff) | |
| download | linux-e1eaf460098e4fd168908af4e6951f921951e916.tar.xz | |
[SCSI] fdomain: 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.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/fdomain.c | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 5d4ea6f77953..0d1661a8116b 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -1345,16 +1345,15 @@ static irqreturn_t do_fdomain_16x0_intr(int irq, void *dev_id) #if ERRORS_ONLY if (current_SC->cmnd[0] == REQUEST_SENSE && !current_SC->SCp.Status) { - if ((unsigned char)(*((char *)current_SC->request_buffer+2)) & 0x0f) { + char *buf = scsi_sglist(current_SC); + if ((unsigned char)(*(buf + 2)) & 0x0f) { unsigned char key; unsigned char code; unsigned char qualifier; - key = (unsigned char)(*((char *)current_SC->request_buffer + 2)) - & 0x0f; - code = (unsigned char)(*((char *)current_SC->request_buffer + 12)); - qualifier = (unsigned char)(*((char *)current_SC->request_buffer - + 13)); + key = (unsigned char)(*(buf + 2)) & 0x0f; + code = (unsigned char)(*(buf + 12)); + qualifier = (unsigned char)(*(buf + 13)); if (key != UNIT_ATTENTION && !(key == NOT_READY @@ -1405,8 +1404,8 @@ static int fdomain_16x0_queue(struct scsi_cmnd *SCpnt, printk( "queue: target = %d cmnd = 0x%02x pieces = %d size = %u\n", SCpnt->target, *(unsigned char *)SCpnt->cmnd, - SCpnt->use_sg, - SCpnt->request_bufflen ); + scsi_sg_count(SCpnt), + scsi_bufflen(SCpnt)); #endif fdomain_make_bus_idle(); @@ -1416,20 +1415,19 @@ static int fdomain_16x0_queue(struct scsi_cmnd *SCpnt, /* Initialize static data */ - if (current_SC->use_sg) { - current_SC->SCp.buffer = - (struct scatterlist *)current_SC->request_buffer; - current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) + current_SC->SCp.buffer->offset; - current_SC->SCp.this_residual = current_SC->SCp.buffer->length; - current_SC->SCp.buffers_residual = current_SC->use_sg - 1; + if (scsi_sg_count(current_SC)) { + current_SC->SCp.buffer = scsi_sglist(current_SC); + current_SC->SCp.ptr = page_address(current_SC->SCp.buffer->page) + + current_SC->SCp.buffer->offset; + current_SC->SCp.this_residual = current_SC->SCp.buffer->length; + current_SC->SCp.buffers_residual = scsi_sg_count(current_SC) - 1; } else { - current_SC->SCp.ptr = (char *)current_SC->request_buffer; - current_SC->SCp.this_residual = current_SC->request_bufflen; - current_SC->SCp.buffer = NULL; - current_SC->SCp.buffers_residual = 0; + current_SC->SCp.ptr = 0; + current_SC->SCp.this_residual = 0; + current_SC->SCp.buffer = NULL; + current_SC->SCp.buffers_residual = 0; } - - + current_SC->SCp.Status = 0; current_SC->SCp.Message = 0; current_SC->SCp.have_data_in = 0; @@ -1472,8 +1470,8 @@ static void print_info(struct scsi_cmnd *SCpnt) SCpnt->SCp.phase, SCpnt->device->id, *(unsigned char *)SCpnt->cmnd, - SCpnt->use_sg, - SCpnt->request_bufflen ); + scsi_sg_count(SCpnt), + scsi_bufflen(SCpnt)); printk( "sent_command = %d, have_data_in = %d, timeout = %d\n", SCpnt->SCp.sent_command, SCpnt->SCp.have_data_in, |