ocfs2: remove unused ocfs2_journal_handle field

max_buffs was just being set and not actually used.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

fs/ocfs2/journal.c

@@ -124,7 +124,6 @@ struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb)
 		return NULL;
 	}
 
-	retval->max_buffs = 0;
 	retval->num_locks = 0;
 	retval->k_handle = NULL;
 
@@ -172,8 +171,6 @@ struct ocfs2_journal_handle *ocfs2_start_trans(struct ocfs2_super *osb,
 		goto done_free;
 	}
 
-	handle->max_buffs = max_buffs;
-
 	down_read(&osb->journal->j_trans_barrier);
 
 	/* actually start the transaction now */
@@ -353,9 +350,7 @@ int ocfs2_extend_trans(struct ocfs2_journal_handle *handle,
 			mlog_errno(status);
 			goto bail;
 		}
-		handle->max_buffs = nblocks;
-	} else
-		handle->max_buffs += nblocks;
+	}
 
 	status = 0;
 bail:

fs/ocfs2/journal.h

@@ -144,7 +144,6 @@ struct ocfs2_journal_handle {
 	handle_t            *k_handle; /* kernel handle.                */
 	struct ocfs2_journal        *journal;
 	u32                 flags;     /* see flags below.              */
-	int                 max_buffs; /* Buffs reserved by this handle */
 
 	/* The following two fields are for ocfs2_handle_add_lock */
 	int                 num_locks;