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 4.8.                 January 2017                            ATA_SG_INIT(9)