Illumos #3498 panic in arc_read()

[zfs.git] / include / sys / dsl_pool.h

diff --git a/include/sys/dsl_pool.h b/include/sys/dsl_pool.h
index 99a131e..f4de774 100644 (file)
--- a/include/sys/dsl_pool.h
+++ b/include/sys/dsl_pool.h
@@ -20,6 +20,7 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
 #ifndef        _SYS_DSL_POOL_H
@@ -34,11 +35,14 @@
 #include <sys/ddt.h>
 #include <sys/arc.h>
 #include <sys/bpobj.h>
+#include <sys/bptree.h>
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+extern int zfs_txg_synctime_ms;
+
 struct objset;
 struct dsl_dir;
 struct dsl_dataset;
@@ -48,7 +52,8 @@ struct dsl_scan;
 
 /* These macros are for indexing into the zfs_all_blkstats_t. */
 #define        DMU_OT_DEFERRED DMU_OT_NONE
-#define        DMU_OT_TOTAL    DMU_OT_NUMTYPES
+#define        DMU_OT_OTHER    DMU_OT_NUMTYPES /* place holder for DMU_OT() types */
+#define        DMU_OT_TOTAL    (DMU_OT_NUMTYPES + 1)
 
 typedef struct zfs_blkstat {
        uint64_t        zb_count;
@@ -65,6 +70,13 @@ typedef struct zfs_all_blkstats {
        zfs_blkstat_t   zab_type[DN_MAX_LEVELS + 1][DMU_OT_TOTAL + 1];
 } zfs_all_blkstats_t;
 
+typedef struct txg_history {
+       kstat_txg_t     th_kstat;
+       vdev_stat_t     th_vs1;
+       vdev_stat_t     th_vs2;
+       kmutex_t        th_lock;
+       list_node_t     th_link;
+} txg_history_t;
 
 typedef struct dsl_pool {
        /* Immutable */
@@ -76,15 +88,17 @@ typedef struct dsl_pool {
        struct dsl_dataset *dp_origin_snap;
        uint64_t dp_root_dir_obj;
        struct taskq *dp_iput_taskq;
+       kstat_t *dp_txg_kstat;
 
        /* No lock needed - sync context only */
        blkptr_t dp_meta_rootbp;
-       list_t dp_synced_datasets;
        hrtime_t dp_read_overhead;
        uint64_t dp_throughput; /* bytes per millisec */
        uint64_t dp_write_limit;
        uint64_t dp_tmp_userrefs_obj;
        bpobj_t dp_free_bpobj;
+       uint64_t dp_bptree_obj;
+       uint64_t dp_empty_bpobj;
 
        struct dsl_scan *dp_scan;
 
@@ -92,10 +106,17 @@ typedef struct dsl_pool {
        kmutex_t dp_lock;
        uint64_t dp_space_towrite[TXG_SIZE];
        uint64_t dp_tempreserved[TXG_SIZE];
+       uint64_t dp_mos_used_delta;
+       uint64_t dp_mos_compressed_delta;
+       uint64_t dp_mos_uncompressed_delta;
+       uint64_t dp_txg_history_size;
+       list_t dp_txg_history;
+
 
        /* Has its own locking */
        tx_state_t dp_tx;
        txg_list_t dp_dirty_datasets;
+       txg_list_t dp_dirty_zilogs;
        txg_list_t dp_dirty_dirs;
        txg_list_t dp_sync_tasks;
 
@@ -110,7 +131,8 @@ typedef struct dsl_pool {
        zfs_all_blkstats_t *dp_blkstats;
 } dsl_pool_t;
 
-int dsl_pool_open(spa_t *spa, uint64_t txg, dsl_pool_t **dpp);
+int dsl_pool_init(spa_t *spa, uint64_t txg, dsl_pool_t **dpp);
+int dsl_pool_open(dsl_pool_t *dp);
 void dsl_pool_close(dsl_pool_t *dp);
 dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops, uint64_t txg);
 void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg);
@@ -125,15 +147,11 @@ void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx);
 void dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp);
 void dsl_free_sync(zio_t *pio, dsl_pool_t *dp, uint64_t txg,
     const blkptr_t *bpp);
-int dsl_read(zio_t *pio, spa_t *spa, const blkptr_t *bpp, arc_buf_t *pbuf,
-    arc_done_func_t *done, void *private, int priority, int zio_flags,
-    uint32_t *arc_flags, const zbookmark_t *zb);
-int dsl_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bpp,
-    arc_done_func_t *done, void *private, int priority, int zio_flags,
-    uint32_t *arc_flags, const zbookmark_t *zb);
 void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx);
 void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx);
 void dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx);
+void dsl_pool_mos_diduse_space(dsl_pool_t *dp,
+    int64_t used, int64_t comp, int64_t uncomp);
 
 taskq_t *dsl_pool_iput_taskq(dsl_pool_t *dp);
 
@@ -144,6 +162,10 @@ extern int dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj,
 extern void dsl_pool_clean_tmp_userrefs(dsl_pool_t *dp);
 int dsl_pool_open_special_dir(dsl_pool_t *dp, const char *name, dsl_dir_t **);
 
+txg_history_t *dsl_pool_txg_history_add(dsl_pool_t *dp, uint64_t txg);
+txg_history_t *dsl_pool_txg_history_get(dsl_pool_t *dp, uint64_t txg);
+void dsl_pool_txg_history_put(txg_history_t *th);
+
 #ifdef __cplusplus
 }
 #endif