ata_qc_complete_multiple(9) centos man page | unix.com

ATA_QC_COMPLETE_MULT(9) 					  libata Library					   ATA_QC_COMPLETE_MULT(9)

NAME
       ata_qc_complete_multiple - Complete multiple qcs successfully

SYNOPSIS
       int ata_qc_complete_multiple(struct ata_port * ap, u32 qc_active);

ARGUMENTS
       ap
	   port in question

       qc_active
	   new qc_active mask

DESCRIPTION
       Complete in-flight commands. This functions is meant to be called from low-level driver's interrupt routine to complete requests normally.
       ap->qc_active and qc_active is compared and commands are completed accordingly.

       Always use this function when completing multiple NCQ commands from IRQ handlers instead of calling ata_qc_complete multiple times to keep
       IRQ expect status properly in sync.

LOCKING
       spin_lock_irqsave(host lock)

RETURNS
       Number of completed commands on success, -errno otherwise.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   ATA_QC_COMPLETE_MULT(9)