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 2006-03-17 15:35:29.000000000 -0600
+++ libata-dev-bjking1/drivers/scsi/libata-core.c 2006-03-17 15:35:30.000000000 -0600
@@ -2863,6 +2863,8 @@ 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
@@ -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 -puN include/linux/libata.h~libata_noop_funcs include/linux/libata.h
--- libata-dev/include/linux/libata.h~libata_noop_funcs 2006-03-17 15:35:29.000000000 -0600
+++ libata-dev-bjking1/include/linux/libata.h 2006-03-17 15:35:30.000000000 -0600
@@ -543,6 +543,7 @@ 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);
_
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