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JBD2_JOURNAL_CHECK_U(9) The Linux Journalling API JBD2_JOURNAL_CHECK_U(9)

NAME

jbd2_journal_check_used_features - Check if features specified are used.

SYNOPSIS

int jbd2_journal_check_used_features(journal_t * journal, unsigned long compat, unsigned long ro, unsigned long incompat);

ARGUMENTS

journal
Journal to check.

compat

bitmask of compatible features

ro

bitmask of features that force read-only mount

incompat

bitmask of incompatible features

DESCRIPTION

Check whether the journal uses all of a given set of features. Return true (non-zero) if it does.

AUTHORS

Roger Gammans <rgammans@computer-surgery.co.uk>
Author.

Stephen Tweedie <sct@redhat.com>

Author.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.