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JOURNAL_FORGET(9)	   The Linux Journalling API	     JOURNAL_FORGET(9)

NAME
       journal_forget - bforget for potentially-journaled buffers.

SYNOPSIS
       int 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@computer-surgery.co.uk>
	   Author.

       Stephen Tweedie <sct@redhat.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013		     JOURNAL_FORGET(9)

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