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Merge branch 'upstream-fixes'

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This commit is contained in:
Jeff Garzik 2006-02-20 16:55:56 -05:00
commit f131883e73
3 changed files with 24 additions and 9 deletions
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16
include/linux/libata.h
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@ -615,6 +615,16 @@ ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc)
return 0;
}
static inline struct scatterlist *
ata_qc_first_sg(struct ata_queued_cmd *qc)
{
if (qc->n_elem)
return qc->__sg;
if (qc->pad_len)
return &qc->pad_sgent;
return NULL;
}
static inline struct scatterlist *
ata_qc_next_sg(struct scatterlist *sg, struct ata_queued_cmd *qc)
{
@ -622,11 +632,13 @@ ata_qc_next_sg(struct scatterlist *sg, struct ata_queued_cmd *qc)
return NULL;
if (++sg - qc->__sg < qc->n_elem)
return sg;
return qc->pad_len ? &qc->pad_sgent : NULL;
if (qc->pad_len)
return &qc->pad_sgent;
return NULL;
}
#define ata_for_each_sg(sg, qc) \
for (sg = qc->__sg; sg; sg = ata_qc_next_sg(sg, qc))
for (sg = ata_qc_first_sg(qc); sg; sg = ata_qc_next_sg(sg, qc))
static inline unsigned int ata_tag_valid(unsigned int tag)
{