From e46834cd2ddb1e2941806cb8fec60fb6bdd2ec29 Mon Sep 17 00:00:00 2001 From: Brian King Date: Fri, 17 Mar 2006 17:04:03 -0600 Subject: [PATCH] [PATCH] libata: Add some dummy noop functions 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 Signed-off-by: Jeff Garzik --- drivers/scsi/libata-core.c | 3 +++ include/linux/libata.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index 7a5392c8ec6f..8c86ae8d79b5 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -2865,6 +2865,8 @@ void ata_qc_prep(struct ata_queued_cmd *qc) 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 @@ -5063,6 +5065,7 @@ 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 --git a/include/linux/libata.h b/include/linux/libata.h index 239408ecfddf..17e5a719c72b 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -543,6 +543,7 @@ extern void ata_port_stop (struct ata_port *ap); 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); -- 2.20.1