Provided by: linux-doc-2.6.15_2.6.15-23.39_all
journal_get_write_access - notify intent to modify a buffer for
metadata (not data) update.
int journal_get_write_access (handle_t * handle,
struct buffer_head * bh);
handle transaction to add buffer modifications to
bh bh to be used for metadata writes
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.
Roger Gammans <email@example.com>, Stephen Tweedie