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libata: kill qc->nsect and cursect

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libata used two separate sets of variables to record request size and
current offset for ATA and ATAPI.  This is confusing and fragile.
This patch replaces qc->nsect/cursect with qc->nbytes/curbytes and
kills them.  Also, ata_pio_sector() is updated to use bytes for
qc->cursg_ofs instead of sectors.  The field used to be used in bytes
for ATAPI and in sectors for ATA.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo
2007-01-03 17:30:39 +09:00
committed by Jeff Garzik
parent 16454445e1
commit 726f0785b6
6 changed files with 13 additions and 25 deletions
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7
drivers/ata/libata-eh.c
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@@ -1443,15 +1443,10 @@ static void ata_eh_report(struct ata_port *ap)
};
struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
struct ata_taskfile *cmd = &qc->tf, *res = &qc->result_tf;
unsigned int nbytes;
if (!(qc->flags & ATA_QCFLAG_FAILED) || !qc->err_mask)
continue;
nbytes = qc->nbytes;
if (!nbytes)
nbytes = qc->nsect << 9;
ata_dev_printk(qc->dev, KERN_ERR,
"cmd %02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x "
"tag %d cdb 0x%x data %u %s\n "
@@ -1461,7 +1456,7 @@ static void ata_eh_report(struct ata_port *ap)
cmd->lbal, cmd->lbam, cmd->lbah,
cmd->hob_feature, cmd->hob_nsect,
cmd->hob_lbal, cmd->hob_lbam, cmd->hob_lbah,
cmd->device, qc->tag, qc->cdb[0], nbytes,
cmd->device, qc->tag, qc->cdb[0], qc->nbytes,
dma_str[qc->dma_dir],
res->command, res->feature, res->nsect,
res->lbal, res->lbam, res->lbah,