JBD2_JOURNAL_INVALID(9)             The Linux Journalling API             JBD2_JOURNAL_INVALID(9)



NAME
       jbd2_journal_invalidatepage -

SYNOPSIS
       int jbd2_journal_invalidatepage(journal_t * journal, struct page * page,
                                       unsigned int offset, unsigned int length);

ARGUMENTS
       journal
           journal to use for flush...

       page
           page to flush

       offset
           start of the range to invalidate

       length
           length of the range to invalidate

DESCRIPTION
       Reap page buffers containing data after in the specified range in page. Can return -EBUSY
       if buffers are part of the committing transaction and the page is straddling i_size.
       Caller then has to wait for current commit and try again.

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_INVALID(9)