*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. 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
#include <sys/ddt.h>
#include <sys/arc.h>
#include <sys/bpobj.h>
+#include <sys/bptree.h>
+#include <sys/rrwlock.h>
+#include <sys/mmp.h>
#ifdef __cplusplus
extern "C" {
#endif
+extern int zfs_txg_synctime_ms;
+
struct objset;
struct dsl_dir;
struct dsl_dataset;
struct dmu_tx;
struct dsl_scan;
+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_max_percent;
+extern int zfs_dirty_data_max_max_percent;
+extern int zfs_delay_min_dirty_percent;
+extern unsigned long zfs_delay_scale;
+
/* 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;
struct dsl_dir *dp_root_dir;
struct dsl_dir *dp_mos_dir;
struct dsl_dir *dp_free_dir;
+ struct dsl_dir *dp_leak_dir;
struct dsl_dataset *dp_origin_snap;
uint64_t dp_root_dir_obj;
- struct taskq *dp_vnrele_taskq;
+ struct taskq *dp_iput_taskq;
/* 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;
/* Uses dp_lock */
kmutex_t dp_lock;
- uint64_t dp_space_towrite[TXG_SIZE];
- uint64_t dp_tempreserved[TXG_SIZE];
+ 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;
+
+ /*
+ * Time of most recently scheduled (furthest in the future)
+ * wakeup for delayed transactions.
+ */
+ hrtime_t dp_last_wakeup;
/* 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;
+ taskq_t *dp_sync_taskq;
/*
* Protects administrative changes (properties, namespace)
+ *
* It is only held for write in syncing context. Therefore
* syncing context does not need to ever have it for read, since
* nobody else could possibly have it for write.
*/
- krwlock_t dp_config_rwlock;
+ rrwlock_t dp_config_rwlock;
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);
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);
-int dsl_pool_tempreserve_space(dsl_pool_t *dp, uint64_t space, dmu_tx_t *tx);
-void dsl_pool_tempreserve_clear(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx);
-void dsl_pool_memory_pressure(dsl_pool_t *dp);
-void dsl_pool_willuse_space(dsl_pool_t *dp, int64_t space, dmu_tx_t *tx);
+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);
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);
-
-taskq_t *dsl_pool_vnrele_taskq(dsl_pool_t *dp);
-
-extern int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj,
- const char *tag, uint64_t *now, dmu_tx_t *tx);
-extern int dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj,
+void dsl_pool_mos_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);
+
+int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj,
+ const char *tag, uint64_t now, dmu_tx_t *tx);
+int dsl_pool_user_release(dsl_pool_t *dp, uint64_t dsobj,
const char *tag, dmu_tx_t *tx);
-extern void dsl_pool_clean_tmp_userrefs(dsl_pool_t *dp);
+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 **);
+int dsl_pool_hold(const char *name, void *tag, dsl_pool_t **dp);
+void dsl_pool_rele(dsl_pool_t *dp, void *tag);
#ifdef __cplusplus
}
projects / zfs / blobdiff