JBD2_JOURNAL_INIT_DE(9)             The Linux Journalling API             JBD2_JOURNAL_INIT_DE(9)



NAME
       jbd2_journal_init_dev - creates and initialises a journal structure

SYNOPSIS
       journal_t * jbd2_journal_init_dev(struct block_device * bdev,
                                         struct block_device * fs_dev, unsigned long long start,
                                         int len, int blocksize);

ARGUMENTS
       bdev
           Block device on which to create the journal

       fs_dev
           Device which hold journalled filesystem for this journal.

       start
           Block nr Start of journal.

       len
           Length of the journal in blocks.

       blocksize
           blocksize of journalling device

RETURN
       a newly created journal_t *

       jbd2_journal_init_dev creates a journal which maps a fixed contiguous range of blocks on
       an arbitrary block device.

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_INIT_DE(9)