*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
*/
/* Portions Copyright 2010 Robert Milkowski */
/* followed by type-specific part of lr_xx_t and its immediate data */
} itx_t;
+/*
+ * Used for zil kstat.
+ */
+typedef struct zil_stats {
+ /*
+ * Number of times a ZIL commit (e.g. fsync) has been requested.
+ */
+ kstat_named_t zil_commit_count;
+
+ /*
+ * Number of times the ZIL has been flushed to stable storage.
+ * This is less than zil_commit_count when commits are "merged"
+ * (see the documentation above zil_commit()).
+ */
+ kstat_named_t zil_commit_writer_count;
+
+ /*
+ * Number of transactions (reads, writes, renames, etc.)
+ * that have been commited.
+ */
+ kstat_named_t zil_itx_count;
+
+ /*
+ * See the documentation for itx_wr_state_t above.
+ * Note that "bytes" accumulates the length of the transactions
+ * (i.e. data), not the actual log record sizes.
+ */
+ kstat_named_t zil_itx_indirect_count;
+ kstat_named_t zil_itx_indirect_bytes;
+ kstat_named_t zil_itx_copied_count;
+ kstat_named_t zil_itx_copied_bytes;
+ kstat_named_t zil_itx_needcopy_count;
+ kstat_named_t zil_itx_needcopy_bytes;
+
+ /*
+ * Transactions which have been allocated to the "normal"
+ * (i.e. not slog) storage pool. Note that "bytes" accumulate
+ * the actual log record sizes - which do not include the actual
+ * data in case of indirect writes.
+ */
+ kstat_named_t zil_itx_metaslab_normal_count;
+ kstat_named_t zil_itx_metaslab_normal_bytes;
+
+ /*
+ * Transactions which have been allocated to the "slog" storage pool.
+ * If there are no separate log devices, this is the same as the
+ * "normal" pool.
+ */
+ kstat_named_t zil_itx_metaslab_slog_count;
+ kstat_named_t zil_itx_metaslab_slog_bytes;
+} zil_stats_t;
+
+extern zil_stats_t zil_stats;
+
+#define ZIL_STAT_INCR(stat, val) \
+ atomic_add_64(&zil_stats.stat.value.ui64, (val));
+#define ZIL_STAT_BUMP(stat) \
+ ZIL_STAT_INCR(stat, 1);
+
typedef int zil_parse_blk_func_t(zilog_t *zilog, blkptr_t *bp, void *arg,
uint64_t txg);
typedef int zil_parse_lr_func_t(zilog_t *zilog, lr_t *lr, void *arg,
uint64_t txg);
-typedef int zil_replay_func_t(void *, char *, boolean_t);
+typedef int (*const zil_replay_func_t)(void *, char *, boolean_t);
typedef int zil_get_data_t(void *arg, lr_write_t *lr, char *dbuf, zio_t *zio);
extern int zil_parse(zilog_t *zilog, zil_parse_blk_func_t *parse_blk_func,
extern void zil_close(zilog_t *zilog);
extern void zil_replay(objset_t *os, void *arg,
- zil_replay_func_t *replay_func[TX_MAX_TYPE]);
+ zil_replay_func_t replay_func[TX_MAX_TYPE]);
extern boolean_t zil_replaying(zilog_t *zilog, dmu_tx_t *tx);
extern void zil_destroy(zilog_t *zilog, boolean_t keep_first);
+extern void zil_destroy_sync(zilog_t *zilog, dmu_tx_t *tx);
extern void zil_rollback_destroy(zilog_t *zilog, dmu_tx_t *tx);
extern itx_t *zil_itx_create(uint64_t txtype, size_t lrsize);