ata_sg_setup(9) centos man page | unix.com

ATA_SG_SETUP(9) 					       libata Core Internals						   ATA_SG_SETUP(9)

NAME
       ata_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.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							   ATA_SG_SETUP(9)