1JOURNAL_CHECK_USED_F(9)    The Linux Journalling API   JOURNAL_CHECK_USED_F(9)
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NAME

6       journal_check_used_features - Check if features specified are used.
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SYNOPSIS

9       int journal_check_used_features(journal_t * journal,
10                                       unsigned long compat, unsigned long ro,
11                                       unsigned long incompat);
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ARGUMENTS

14       journal
15           Journal to check.
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17       compat
18           bitmask of compatible features
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20       ro
21           bitmask of features that force read-only mount
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23       incompat
24           bitmask of incompatible features
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DESCRIPTION

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

31       Roger Gammans <rgammans@computer-surgery.co.uk>
32           Author.
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34       Stephen Tweedie <sct@redhat.com>
35           Author.
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38Kernel Hackers Manual 2.6.         June 2019           JOURNAL_CHECK_USED_F(9)
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