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)

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

AUTHOR
       Jeff Garzik
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   ATA_QC_COMPLETE_MULT(9)