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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

June 2017 Kernel Hackers Manual 4.9.