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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@computer-surgery.co.uk>
Author.
Stephen Tweedie <sct@redhat.com>
Author.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.