Name

ata_sg_setup_one — DMA-map the memory buffer associated with a command.

Synopsis

int ata_sg_setup_one (struct ata_queued_cmd * qc);

Arguments

qc

Command with memory buffer to be mapped.

Description

DMA-map the memory buffer associated with queued_cmd qc.

LOCKING

spin_lock_irqsave(host_set lock)

RETURNS

Zero on success, negative on error.