JBD2_JOURNAL_SET_FEA(9)             The Linux Journalling API             JBD2_JOURNAL_SET_FEA(9)



NAME
       jbd2_journal_set_features - Mark a given journal feature in the superblock

SYNOPSIS
       int jbd2_journal_set_features(journal_t * journal, unsigned long compat, unsigned long ro,
                                     unsigned long incompat);

ARGUMENTS
       journal
           Journal to act on.

       compat
           bitmask of compatible features

       ro
           bitmask of features that force read-only mount

       incompat
           bitmask of incompatible features

DESCRIPTION
       Mark a given journal feature as present on the superblock. Returns true if the requested
       features could be set.

AUTHORS
       Roger Gammans <rgammans AT computer-surgery.uk>
           Author.

       Stephen Tweedie <sct AT redhat.com>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   JBD2_JOURNAL_SET_FEA(9)