diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/libata.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index d3f58a796c3..d3dfefefabe 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -480,6 +480,18 @@ extern int pci_test_config_bits(struct pci_dev *pdev, struct pci_bits *bits); #endif /* CONFIG_PCI */ +static inline int +ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc) +{ + if (sg == &qc->pad_sgent) + return 1; + if (qc->pad_len) + return 0; + if (((sg - qc->__sg) + 1) == qc->n_elem) + return 1; + return 0; +} + static inline struct scatterlist * ata_qc_next_sg(struct scatterlist *sg, struct ata_queued_cmd *qc) { |