Add some dummy noop functions for use by libata clients that do not need to do anything. Future SAS patches will utilize these functions. Signed-off-by: Brian King <brking@xxxxxxxxxx> --- libata-dev-bjking1/drivers/scsi/libata-core.c | 3 +++ libata-dev-bjking1/include/linux/libata.h | 1 + 2 files changed, 4 insertions(+) diff -puN drivers/scsi/libata-core.c~libata_noop_funcs drivers/scsi/libata-core.c --- libata-dev/drivers/scsi/libata-core.c~libata_noop_funcs 2006-02-14 09:27:38.000000000 -0600 +++ libata-dev-bjking1/drivers/scsi/libata-core.c 2006-02-14 09:27:38.000000000 -0600 @@ -2713,6 +2713,8 @@ void ata_qc_prep(struct ata_queued_cmd * ata_fill_sg(qc); } +void ata_noop_qc_prep(struct ata_queued_cmd *qc) { } + /** * ata_sg_init_one - Associate command with memory buffer * @qc: Command to be associated @@ -4908,6 +4910,7 @@ EXPORT_SYMBOL_GPL(ata_port_stop); EXPORT_SYMBOL_GPL(ata_host_stop); EXPORT_SYMBOL_GPL(ata_interrupt); EXPORT_SYMBOL_GPL(ata_qc_prep); +EXPORT_SYMBOL_GPL(ata_noop_qc_prep); EXPORT_SYMBOL_GPL(ata_bmdma_setup); EXPORT_SYMBOL_GPL(ata_bmdma_start); EXPORT_SYMBOL_GPL(ata_bmdma_irq_clear); diff -puN include/linux/libata.h~libata_noop_funcs include/linux/libata.h --- libata-dev/include/linux/libata.h~libata_noop_funcs 2006-02-14 09:27:38.000000000 -0600 +++ libata-dev-bjking1/include/linux/libata.h 2006-02-14 09:27:38.000000000 -0600 @@ -532,6 +532,7 @@ extern void ata_port_stop (struct ata_po extern void ata_host_stop (struct ata_host_set *host_set); extern irqreturn_t ata_interrupt (int irq, void *dev_instance, struct pt_regs *regs); extern void ata_qc_prep(struct ata_queued_cmd *qc); +extern void ata_noop_qc_prep(struct ata_queued_cmd *qc); extern unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc); extern void ata_sg_init_one(struct ata_queued_cmd *qc, void *buf, unsigned int buflen); _ - : send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html