JBD2_JOURNAL_FORGET(9) - phpMan
JBD2_JOURNAL_FORGET(9) The Linux Journalling API JBD2_JOURNAL_FORGET(9)
NAME
jbd2_journal_forget - bforget for potentially-journaled buffers.
SYNOPSIS
int jbd2_journal_forget(handle_t * handle, struct buffer_head * bh);
ARGUMENTS
handle
transaction handle
bh
bh to 'forget'
DESCRIPTION
We can only do the bforget if there are no commits pending against the buffer. If the
buffer is dirty in the current running transaction we can safely unlink it.
bh may not be a journalled buffer at all - it may be a non-JBD buffer which came off the
hashtable. Check for this.
Decrements bh->b_count by one.
Allow this call even if the handle has aborted --- it may be part of the caller's cleanup
after an abort.
AUTHORS
Roger Gammans <rgammans AT computer-surgery.uk>
Author.
Stephen Tweedie <sct AT redhat.com>
Author.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 JBD2_JOURNAL_FORGET(9)
|