ATA_SG_INIT(9) libata Library ATA_SG_INIT(9)

NAME ata_sg_init - Associate command with scatter-gather table.

SYNOPSIS void ata_sg_init(struct ata_queued_cmd * qc, struct scatterlist * sg, unsigned int n_elem);

ARGUMENTS qc Command to be associated

sg Scatter-gather table.

n_elem Number of elements in s/g table.

DESCRIPTION Initialize the data-related elements of queued_cmd qc to point to a scatter-gather table sg, containing n_elem elements.

LOCKING spin_lock_irqsave(host lock)

AUTHOR Jeff Garzik Author.

COPYRIGHT Kernel Hackers Manual 2.6. January 2013 ATA_SG_INIT(9)