| JOURNAL_GET_WRITE_AC(9) | The Linux Journalling API | 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.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |