31 #include <sys/zfs_context.h>

    31 #include <sys/zfs_context.h>

    32 #include <sys/zio.h>

    32 #include <sys/zio.h>

    33 #include <sys/dnode.h>

    33 #include <sys/dnode.h>

    34 #include <sys/ddt.h>

    34 #include <sys/ddt.h>

    35 #include <sys/arc.h>

    35 #include <sys/arc.h>

    36 

    37 

    37 #ifdef	__cplusplus

    38 #ifdef	__cplusplus

    38 extern "C" {

    39 extern "C" {

    39 #endif

    40 #endif

    40 

    41 

    69 	/* Immutable */

    70 	/* Immutable */

    70 	spa_t *dp_spa;

    71 	spa_t *dp_spa;

    71 	struct objset *dp_meta_objset;

    72 	struct objset *dp_meta_objset;

    72 	struct dsl_dir *dp_root_dir;

    73 	struct dsl_dir *dp_root_dir;

    73 	struct dsl_dir *dp_mos_dir;

    74 	struct dsl_dir *dp_mos_dir;

    74 	struct dsl_dataset *dp_origin_snap;

    76 	struct dsl_dataset *dp_origin_snap;

    75 	uint64_t dp_root_dir_obj;

    77 	uint64_t dp_root_dir_obj;

    76 	struct taskq *dp_vnrele_taskq;

    78 	struct taskq *dp_vnrele_taskq;

    77 

    79 

    78 	/* No lock needed - sync context only */

    80 	/* No lock needed - sync context only */

    80 	list_t dp_synced_datasets;

    82 	list_t dp_synced_datasets;

    81 	hrtime_t dp_read_overhead;

    83 	hrtime_t dp_read_overhead;

    82 	uint64_t dp_throughput; /* bytes per millisec */

    84 	uint64_t dp_throughput; /* bytes per millisec */

    83 	uint64_t dp_write_limit;

    85 	uint64_t dp_write_limit;

    84 	uint64_t dp_tmp_userrefs_obj;

    86 	uint64_t dp_tmp_userrefs_obj;

    85 

    88 

    86 	struct dsl_scan *dp_scan;

    89 	struct dsl_scan *dp_scan;

    87 

    90 

    88 	/* Uses dp_lock */

    91 	/* Uses dp_lock */

    89 	kmutex_t dp_lock;

    92 	kmutex_t dp_lock;

   128 int dsl_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bpp,

   131 int dsl_read_nolock(zio_t *pio, spa_t *spa, const blkptr_t *bpp,

   129     arc_done_func_t *done, void *private, int priority, int zio_flags,

   132     arc_done_func_t *done, void *private, int priority, int zio_flags,

   130     uint32_t *arc_flags, const zbookmark_t *zb);

   133     uint32_t *arc_flags, const zbookmark_t *zb);

   131 void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx);

   134 void dsl_pool_create_origin(dsl_pool_t *dp, dmu_tx_t *tx);

   132 void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx);

   135 void dsl_pool_upgrade_clones(dsl_pool_t *dp, dmu_tx_t *tx);

   133 

   137 

   134 taskq_t *dsl_pool_vnrele_taskq(dsl_pool_t *dp);

   138 taskq_t *dsl_pool_vnrele_taskq(dsl_pool_t *dp);

   135 

   139 

   136 extern int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj,

   140 extern int dsl_pool_user_hold(dsl_pool_t *dp, uint64_t dsobj,

   137     const char *tag, uint64_t *now, dmu_tx_t *tx);

   141     const char *tag, uint64_t *now, dmu_tx_t *tx);