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authorBrian King <brking@us.ibm.com>2006-03-17 17:04:03 -0600
committerJeff Garzik <jeff@garzik.org>2006-03-21 21:03:43 -0500
commite46834cd2ddb1e2941806cb8fec60fb6bdd2ec29 (patch)
tree770dfbbb56f8c9b7e748e9982875cc4522454ffb
parentf59b0cf8a3a39b75e580066c6a9aeabd97ec2743 (diff)
[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 <brking@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/scsi/libata-core.c3
-rw-r--r--include/linux/libata.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 7a5392c8ec6..8c86ae8d79b 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 239408ecfdd..17e5a719c72 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);