JOURNAL_GET_WRITE_AC(9) The Linux Journalling API JOURNAL_GET_WRITE_AC(9)NAMEjournal_get_write_access - notify intent to modify a buffer for
metadata (not data) update.
SYNOPSIS
int journal_get_write_access(handle_t * handle,
struct buffer_head * bh);
ARGUMENTS
handle
transaction to add buffer modifications to
bh
bh to be used for metadata writes
DESCRIPTION
Returns an error code or 0 on success.
In full data journalling mode the buffer may be of type BJ_AsyncData,
because we´re writeing a buffer which is also part of a shared mapping.
AUTHORS
Roger Gammans <rgammans@computer-surgery.co.uk>
Author.
Stephen Tweedie <sct@redhat.com>
Author.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 JOURNAL_GET_WRITE_AC(9)