ide: cleanup rq->data_len usages
With recent unification of fields, it's now guaranteed that
rq->data_len always equals blk_rq_bytes(). Convert all direct users
to accessors.
[ Impact: convert direct rq->data_len usages to blk_rq_bytes() ]
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Borislav Petkov <petkovbb@googlemail.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index eb4f3dc..2eadc9d 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -577,7 +577,7 @@
struct request *rq = hwif->rq;
ide_expiry_t *expiry = NULL;
int dma_error = 0, dma, thislen, uptodate = 0;
- int write = (rq_data_dir(rq) == WRITE) ? 1 : 0, rc = 0, nsectors;
+ int write = (rq_data_dir(rq) == WRITE) ? 1 : 0, rc = 0;
int sense = blk_sense_request(rq);
unsigned int timeout;
u16 len;
@@ -707,9 +707,7 @@
out_end:
if (blk_pc_request(rq) && rc == 0) {
- if (blk_end_request(rq, 0, rq->data_len))
- BUG();
-
+ blk_end_request_all(rq, 0);
hwif->rq = NULL;
} else {
if (sense && uptodate)
@@ -727,22 +725,14 @@
ide_cd_error_cmd(drive, cmd);
/* make sure it's fully ended */
- if (blk_pc_request(rq))
- nsectors = (rq->data_len + 511) >> 9;
- else
- nsectors = blk_rq_sectors(rq);
-
- if (nsectors == 0)
- nsectors = 1;
-
if (blk_fs_request(rq) == 0) {
- rq->resid_len = rq->data_len -
+ rq->resid_len = blk_rq_bytes(rq) -
(cmd->nbytes - cmd->nleft);
if (uptodate == 0 && (cmd->tf_flags & IDE_TFLAG_WRITE))
rq->resid_len += cmd->last_xfer_len;
}
- ide_complete_rq(drive, uptodate ? 0 : -EIO, nsectors << 9);
+ ide_complete_rq(drive, uptodate ? 0 : -EIO, blk_rq_bytes(rq));
if (sense && rc == 2)
ide_error(drive, "request sense failure", stat);
@@ -819,7 +809,7 @@
*/
alignment = queue_dma_alignment(q) | q->dma_pad_mask;
if ((unsigned long)buf & alignment
- || rq->data_len & q->dma_pad_mask
+ || blk_rq_bytes(rq) & q->dma_pad_mask
|| object_is_on_stack(buf))
drive->dma = 0;
}
@@ -867,9 +857,8 @@
cmd.rq = rq;
- if (blk_fs_request(rq) || rq->data_len) {
- ide_init_sg_cmd(&cmd, blk_fs_request(rq) ?
- (blk_rq_sectors(rq) << 9) : rq->data_len);
+ if (blk_fs_request(rq) || blk_rq_bytes(rq)) {
+ ide_init_sg_cmd(&cmd, blk_rq_bytes(rq));
ide_map_sg(drive, &cmd);
}