+
+static void
+xlog_ins_ticketq(struct xlog_ticket **qp, struct xlog_ticket *tic)
+{
+ if (*qp) {
+ tic->t_next = (*qp);
+ tic->t_prev = (*qp)->t_prev;
+ (*qp)->t_prev->t_next = tic;
+ (*qp)->t_prev = tic;
+ } else {
+ tic->t_prev = tic->t_next = tic;
+ *qp = tic;
+ }
+
+ tic->t_flags |= XLOG_TIC_IN_Q;
+}
+
+static void
+xlog_del_ticketq(struct xlog_ticket **qp, struct xlog_ticket *tic)
+{
+ if (tic == tic->t_next) {
+ *qp = NULL;
+ } else {
+ *qp = tic->t_next;
+ tic->t_next->t_prev = tic->t_prev;
+ tic->t_prev->t_next = tic->t_next;
+ }
+
+ tic->t_next = tic->t_prev = NULL;
+ tic->t_flags &= ~XLOG_TIC_IN_Q;
+}
+
+static void
+xlog_grant_sub_space(struct log *log, int bytes)
+{
+ log->l_grant_write_bytes -= bytes;
+ if (log->l_grant_write_bytes < 0) {
+ log->l_grant_write_bytes += log->l_logsize;
+ log->l_grant_write_cycle--;
+ }
+
+ log->l_grant_reserve_bytes -= bytes;
+ if ((log)->l_grant_reserve_bytes < 0) {
+ log->l_grant_reserve_bytes += log->l_logsize;
+ log->l_grant_reserve_cycle--;
+ }
+
+}
+
+static void
+xlog_grant_add_space_write(struct log *log, int bytes)
+{
+ log->l_grant_write_bytes += bytes;
+ if (log->l_grant_write_bytes > log->l_logsize) {
+ log->l_grant_write_bytes -= log->l_logsize;
+ log->l_grant_write_cycle++;
+ }
+}
+
+static void
+xlog_grant_add_space_reserve(struct log *log, int bytes)
+{
+ log->l_grant_reserve_bytes += bytes;
+ if (log->l_grant_reserve_bytes > log->l_logsize) {
+ log->l_grant_reserve_bytes -= log->l_logsize;
+ log->l_grant_reserve_cycle++;
+ }
+}
+
+static inline void
+xlog_grant_add_space(struct log *log, int bytes)
+{
+ xlog_grant_add_space_write(log, bytes);
+ xlog_grant_add_space_reserve(log, bytes);
+}
+
+