'\" t
.\"     Title: ata_qc_complete_multiple
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: libata Library
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "ATA_QC_COMPLETE_MULT" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "libata Library"
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.SH "NAME"
ata_qc_complete_multiple \- Complete multiple qcs successfully
.SH "SYNOPSIS"
.HP \w'int\ ata_qc_complete_multiple('u
.BI "int ata_qc_complete_multiple(struct\ ata_port\ *\ " "ap" ", u32\ " "qc_active" ");"
.SH "ARGUMENTS"
.PP
\fIap\fR
.RS 4
port in question
.RE
.PP
\fIqc_active\fR
.RS 4
new qc_active mask
.RE
.SH "DESCRIPTION"
.PP
Complete in\-flight commands\&. This functions is meant to be called from low\-level driver\*(Aqs interrupt routine to complete requests normally\&. ap\->qc_active and
\fIqc_active\fR
is compared and commands are completed accordingly\&.
.PP
Always use this function when completing multiple NCQ commands from IRQ handlers instead of calling
\fBata_qc_complete\fR
multiple times to keep IRQ expect status properly in sync\&.
.PP
LOCKING: spin_lock_irqsave(host lock)
.SH "RETURN"
.PP
Number of completed commands on success, \-errno otherwise\&.
.SH "AUTHOR"
.PP
\fBJeff Garzik\fR
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br