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 4.8.                 January 2017                           ATA_SG_CLEAN(9)