[PATCH] reiserfs: reiserfs fix journal accounting in journal_transaction_should_end

reiserfs: journal_transaction_should_end should increase the count of
blocks allocated so the transaction subsystem can keep new writers from
creating a transaction that is too large.

Signed-off-by: Chris Mason <mason@suse.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>