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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

March 2016 Kernel Hackers Manual 3.2.