fs/reiserfs: remove unused macros

these macros are never used from introduced. better to
remove them.

Link: https://lore.kernel.org/r/1579602338-57079-1-git-send-email-alex.shi@linux.alibaba.com
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Bharath Vedartham <linux.bhar@gmail.com>
Cc: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Cc: Jason Yan <yanaijie@huawei.com>
Cc: zhengbin <zhengbin13@huawei.com>
Cc: Jia-Ju Bai <baijiaju1990@gmail.com>
Cc: reiserfs-devel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>

fs/reiserfs/journal.c

@@ -56,8 +56,6 @@
 /* gets a struct reiserfs_journal_list * from a list head */
 #define JOURNAL_LIST_ENTRY(h) (list_entry((h), struct reiserfs_journal_list, \
                                j_list))
-#define JOURNAL_WORK_ENTRY(h) (list_entry((h), struct reiserfs_journal_list, \
-                               j_working_list))
 
 /* must be correct to keep the desc and commit structs at 4k */
 #define JOURNAL_TRANS_HALF 1018

fs/reiserfs/procfs.c

@@ -63,7 +63,6 @@ static int show_version(struct seq_file *m, void *unused)
 #define MAP( i ) D4C( objectid_map( sb, rs )[ i ] )
 
 #define DJF( x ) le32_to_cpu( rs -> x )
-#define DJV( x ) le32_to_cpu( s_v1 -> x )
 #define DJP( x ) le32_to_cpu( jp -> x )
 #define JF( x ) ( r -> s_journal -> x )
 

fs/reiserfs/stree.c

@@ -918,12 +918,6 @@ int comp_items(const struct item_head *stored_ih, const struct treepath *path)
 	return memcmp(stored_ih, ih, IH_SIZE);
 }
 
-/* unformatted nodes are not logged anymore, ever.  This is safe now */
-#define held_by_others(bh) (atomic_read(&(bh)->b_count) > 1)
-
-/* block can not be forgotten as it is in I/O or held by someone */
-#define block_in_use(bh) (buffer_locked(bh) || (held_by_others(bh)))
-
 /* prepare for delete or cut of direct item */
 static inline int prepare_for_direct_item(struct treepath *path,
 					  struct item_head *le_ih,