From: James Bottomley <[EMAIL PROTECTED]>
qc->n_iter was used for libata's own sg walking before sg chaining
replaced it. During conversion, the field and its usage in sata_fsl
were left behind. Kill the filed and update sata_fsl.
tj: This was part of James's libata-use-block-layer-padding patch.
Separated out by me.
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
Signed-off-by: Tejun Heo <[EMAIL PROTECTED]>
Cc: Li Yang <[EMAIL PROTECTED]>
---
drivers/ata/sata_fsl.c | 4 ++--
include/linux/libata.h | 2 --
2 files changed, 2 insertions(+), 4 deletions(-)
Index: work/drivers/ata/sata_fsl.c
===================================================================
--- work.orig/drivers/ata/sata_fsl.c
+++ work/drivers/ata/sata_fsl.c
@@ -355,8 +355,8 @@ static unsigned int sata_fsl_fill_sg(str
ata_port_printk(qc->ap, KERN_ERR,
"s/g len unaligned : 0x%x\n", sg_len);
- if ((num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1)) &&
- (qc->n_iter + 1 != qc->n_elem)) {
+ if (num_prde == (SATA_FSL_MAX_PRD_DIRECT - 1) &&
+ sg_next(sg) != NULL) {
VPRINTK("setting indirect prde\n");
prd_ptr_to_indirect_ext = prd;
prd->dba = cpu_to_le32(indirect_ext_segment_paddr);
Index: work/include/linux/libata.h
===================================================================
--- work.orig/include/linux/libata.h
+++ work/include/linux/libata.h
@@ -457,7 +457,6 @@ struct ata_queued_cmd {
unsigned long flags; /* ATA_QCFLAG_xxx */
unsigned int tag;
unsigned int n_elem;
- unsigned int n_iter;
unsigned int mapped_n_elem;
int dma_dir;
@@ -1367,7 +1366,6 @@ static inline void ata_qc_reinit(struct
qc->nbytes = qc->raw_nbytes = qc->curbytes = 0;
qc->n_elem = 0;
qc->mapped_n_elem = 0;
- qc->n_iter = 0;
qc->err_mask = 0;
qc->pad_len = 0;
qc->last_sg = NULL;
-
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