ATA_SG_CLEAN(9) libata Core Internals ATA_SG_CLEAN(9)

NAME ata_sg_clean - Unmap DMA memory associated with command

SYNOPSIS void ata_sg_clean(struct ata_queued_cmd * qc);

ARGUMENTS qc Command containing DMA memory to be released

DESCRIPTION Unmap all mapped DMA memory associated with this command.

LOCKING spin_lock_irqsave(host lock)

AUTHOR Jeff Garzik Author.

COPYRIGHT Kernel Hackers Manual 2.6. July 2015 ATA_SG_CLEAN(9)