journal_get_write_ac(9)
NAME
journal_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.