'\" t .\" Title: jbd2_journal_check_available_features .\" Author: .\" Generator: DocBook XSL Stylesheets v1.79.1 .\" Date: March 2017 .\" Manual: The Linux Journalling API .\" Source: Kernel Hackers Manual 4.10.7 .\" Language: English .\" .TH "JBD2_JOURNAL_CHECK_A" "9" "March 2017" "Kernel Hackers Manual 4\&.10\&" "The Linux Journalling API" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" jbd2_journal_check_available_features \- Check feature set in journalling layer .SH "SYNOPSIS" .HP \w'int\ jbd2_journal_check_available_features('u .BI "int jbd2_journal_check_available_features(journal_t\ *\ " "journal" ", unsigned\ long\ " "compat" ", unsigned\ long\ " "ro" ", unsigned\ long\ " "incompat" ");" .SH "ARGUMENTS" .PP \fIjournal\fR .RS 4 Journal to check\&. .RE .PP \fIcompat\fR .RS 4 bitmask of compatible features .RE .PP \fIro\fR .RS 4 bitmask of features that force read\-only mount .RE .PP \fIincompat\fR .RS 4 bitmask of incompatible features .RE .SH "DESCRIPTION" .PP Check whether the journaling code supports the use of all of a given set of features on this journal\&. Return true .SH "AUTHORS" .PP \fBRoger Gammans\fR <\&rgammans@computer-surgery.co.uk\&> .RS 4 Author. .RE .PP \fBStephen Tweedie\fR <\&sct@redhat.com\&> .RS 4 Author. .RE .SH "COPYRIGHT" .br