ATA_SG_INIT

Section: libata Library (9)
Updated: February 2011
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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.
 

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