journal_init_dev — creates and initialises a journal structure
journal_t * journal_init_dev
(struct block_device * bdev, struct block_device * fs_dev, int start, int len, int blocksize);
Block device on which to create the journal
Device which hold journalled filesystem for this journal.
Block nr Start of journal.
Length of the journal in blocks.
blocksize of journalling device
a newly created journal_t *
journal_init_dev creates a journal which maps a fixed contiguous range of blocks on an arbitrary block device.