jbd2_journal_init_dev — creates and initialises a journal structure
|struct block_device * bdev,|
|struct block_device * fs_dev,|
|unsigned long long start,|
struct block_device * bdev
Block device on which to create the journal
struct block_device * fs_dev
Device which hold journalled filesystem for this journal.
unsigned long long start
Block nr Start of journal.
Length of the journal in blocks.
blocksize of journalling device