port async unlinked drain from illumos-nexenta

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

diff --git a/include/sys/dsl_pool.h b/include/sys/dsl_pool.h
index 34dc65ba40ea25c02b8b3c8b66c3d05f7ee56033..63ba3509a5326046d53e54b17a924db52bba3627 100644 (file)
--- a/include/sys/dsl_pool.h
+++ b/include/sys/dsl_pool.h
@@ -20,7 +20,8 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2013, 2017 by Delphix. All rights reserved.
+ * Copyright 2016 Nexenta Systems, Inc.  All rights reserved.
  */
 
 #ifndef        _SYS_DSL_POOL_H
@@ -37,6 +38,8 @@
 #include <sys/bpobj.h>
 #include <sys/bptree.h>
 #include <sys/rrwlock.h>
+#include <sys/dsl_synctask.h>
+#include <sys/mmp.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -50,10 +53,11 @@ struct dsl_dataset;
 struct dsl_pool;
 struct dmu_tx;
 struct dsl_scan;
+struct dsl_crypto_params;
 
 extern unsigned long zfs_dirty_data_max;
 extern unsigned long zfs_dirty_data_max_max;
-extern unsigned long zfs_dirty_data_sync;
+extern int zfs_dirty_data_sync_percent;
 extern int zfs_dirty_data_max_percent;
 extern int zfs_dirty_data_max_max_percent;
 extern int zfs_delay_min_dirty_percent;
@@ -77,6 +81,7 @@ typedef struct zfs_blkstat {
 
 typedef struct zfs_all_blkstats {
        zfs_blkstat_t   zab_type[DN_MAX_LEVELS + 1][DMU_OT_TOTAL + 1];
+       kmutex_t        zab_lock;
 } zfs_all_blkstats_t;
 
 
@@ -91,6 +96,7 @@ typedef struct dsl_pool {
        struct dsl_dataset *dp_origin_snap;
        uint64_t dp_root_dir_obj;
        struct taskq *dp_iput_taskq;
+       struct taskq *dp_unlinked_drain_taskq;
 
        /* No lock needed - sync context only */
        blkptr_t dp_meta_rootbp;
@@ -98,6 +104,7 @@ typedef struct dsl_pool {
        bpobj_t dp_free_bpobj;
        uint64_t dp_bptree_obj;
        uint64_t dp_empty_bpobj;
+       bpobj_t dp_obsolete_bpobj;
 
        struct dsl_scan *dp_scan;
 
@@ -106,6 +113,7 @@ typedef struct dsl_pool {
        kcondvar_t dp_spaceavail_cv;
        uint64_t dp_dirty_pertxg[TXG_SIZE];
        uint64_t dp_dirty_total;
+       uint64_t dp_long_free_dirty_pertxg[TXG_SIZE];
        uint64_t dp_mos_used_delta;
        uint64_t dp_mos_compressed_delta;
        uint64_t dp_mos_uncompressed_delta;
@@ -122,6 +130,9 @@ typedef struct dsl_pool {
        txg_list_t dp_dirty_zilogs;
        txg_list_t dp_dirty_dirs;
        txg_list_t dp_sync_tasks;
+       txg_list_t dp_early_sync_tasks;
+       taskq_t *dp_sync_taskq;
+       taskq_t *dp_zil_clean_taskq;
 
        /*
         * Protects administrative changes (properties, namespace)
@@ -138,12 +149,14 @@ typedef struct dsl_pool {
 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);
+dsl_pool_t *dsl_pool_create(spa_t *spa, nvlist_t *zplprops,
+    struct dsl_crypto_params *dcp, uint64_t txg);
 void dsl_pool_sync(dsl_pool_t *dp, uint64_t txg);
 void dsl_pool_sync_done(dsl_pool_t *dp, uint64_t txg);
 int dsl_pool_sync_context(dsl_pool_t *dp);
-uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, boolean_t netfree);
-uint64_t dsl_pool_adjustedfree(dsl_pool_t *dp, boolean_t netfree);
+uint64_t dsl_pool_adjustedsize(dsl_pool_t *dp, zfs_space_check_t slop_policy);
+uint64_t dsl_pool_unreserved_space(dsl_pool_t *dp,
+    zfs_space_check_t slop_policy);
 void dsl_pool_dirty_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx);
 void dsl_pool_undirty_space(dsl_pool_t *dp, int64_t space, uint64_t txg);
 void dsl_free(dsl_pool_t *dp, uint64_t txg, const blkptr_t *bpp);
@@ -154,12 +167,17 @@ 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);
+void dsl_pool_ckpoint_diduse_space(dsl_pool_t *dp,
+    int64_t used, int64_t comp, int64_t uncomp);
 boolean_t dsl_pool_need_dirty_delay(dsl_pool_t *dp);
 void dsl_pool_config_enter(dsl_pool_t *dp, void *tag);
+void dsl_pool_config_enter_prio(dsl_pool_t *dp, void *tag);
 void dsl_pool_config_exit(dsl_pool_t *dp, void *tag);
 boolean_t dsl_pool_config_held(dsl_pool_t *dp);
+boolean_t dsl_pool_config_held_writer(dsl_pool_t *dp);
 
 taskq_t *dsl_pool_iput_taskq(dsl_pool_t *dp);
+taskq_t *dsl_pool_unlinked_drain_taskq(dsl_pool_t *dp);
 
 int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj,
     const char *tag, uint64_t now, dmu_tx_t *tx);
@@ -170,6 +188,9 @@ int dsl_pool_open_special_dir(dsl_pool_t *dp, const char *name, dsl_dir_t **);
 int dsl_pool_hold(const char *name, void *tag, dsl_pool_t **dp);
 void dsl_pool_rele(dsl_pool_t *dp, void *tag);
 
+void dsl_pool_create_obsolete_bpobj(dsl_pool_t *dp, dmu_tx_t *tx);
+void dsl_pool_destroy_obsolete_bpobj(dsl_pool_t *dp, dmu_tx_t *tx);
+
 #ifdef __cplusplus
 }
 #endif