reiserfs: cleanup, remove blocks arg from journal_join

journal_join is always called with a block count of 1. Let's just get
rid of the argument.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jan Kara <jack@suse.cz>

diff --cc fs/reiserfs/file.c
Simple merge

diff --cc fs/reiserfs/journal.c
Simple merge

diff --cc fs/reiserfs/reiserfs.h
Simple merge