ATA_SG_SETUP(9) libata Core Internals ATA_SG_SETUP(9)NAMEata_sg_setup - DMA-map the scatter-gather table associated with a
command.
SYNOPSIS
int ata_sg_setup(struct ata_queued_cmd * qc);
ARGUMENTS
qc
Command with scatter-gather table to be mapped.
DESCRIPTION
DMA-map the scatter-gather table associated with queued_cmd qc.
LOCKING
spin_lock_irqsave(host lock)
RETURNS
Zero on success, negative on error.
AUTHOR
Jeff Garzik
Author.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 ATA_SG_SETUP(9)