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

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2012, 2018 by Delphix. All rights reserved.
 * Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
 * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
 */

/* Portions Copyright 2010 Robert Milkowski */

#ifndef	_SYS_DMU_OBJSET_H
#define	_SYS_DMU_OBJSET_H

#include <sys/spa.h>
#include <sys/arc.h>
#include <sys/txg.h>
#include <sys/zfs_context.h>
#include <sys/dnode.h>
#include <sys/zio.h>
#include <sys/zil.h>
#include <sys/sa.h>
#include <sys/zfs_ioctl.h>

#ifdef	__cplusplus
extern "C" {
#endif

extern krwlock_t os_lock;

struct dsl_pool;
struct dsl_dataset;
struct dmu_tx;

#define	OBJSET_PHYS_SIZE_V1	1024
#define	OBJSET_PHYS_SIZE_V2	2048
#define	OBJSET_PHYS_SIZE_V3	4096

#define	OBJSET_BUF_HAS_USERUSED(buf) \
	(arc_buf_size(buf) >= OBJSET_PHYS_SIZE_V2)
#define	OBJSET_BUF_HAS_PROJECTUSED(buf) \
	(arc_buf_size(buf) >= OBJSET_PHYS_SIZE_V3)

#define	OBJSET_FLAG_USERACCOUNTING_COMPLETE	(1ULL << 0)
#define	OBJSET_FLAG_USEROBJACCOUNTING_COMPLETE	(1ULL << 1)
#define	OBJSET_FLAG_PROJECTQUOTA_COMPLETE	(1ULL << 2)

/*
 * This mask defines the set of flags which are "portable", meaning
 * that they can be preserved when doing a raw encrypted zfs send.
 * Flags included in this mask will be protected by os_portable_mac
 * when the block of dnodes is encrypted. No portable flags currently
 * exist.
 */
#define	OBJSET_CRYPT_PORTABLE_FLAGS_MASK	(0)

typedef struct objset_phys {
	dnode_phys_t os_meta_dnode;
	zil_header_t os_zil_header;
	uint64_t os_type;
	uint64_t os_flags;
	uint8_t os_portable_mac[ZIO_OBJSET_MAC_LEN];
	uint8_t os_local_mac[ZIO_OBJSET_MAC_LEN];
	char os_pad0[OBJSET_PHYS_SIZE_V2 - sizeof (dnode_phys_t)*3 -
	    sizeof (zil_header_t) - sizeof (uint64_t)*2 -
	    2*ZIO_OBJSET_MAC_LEN];
	dnode_phys_t os_userused_dnode;
	dnode_phys_t os_groupused_dnode;
	dnode_phys_t os_projectused_dnode;
	char os_pad1[OBJSET_PHYS_SIZE_V3 - OBJSET_PHYS_SIZE_V2 -
	    sizeof (dnode_phys_t)];
} objset_phys_t;

typedef int (*dmu_objset_upgrade_cb_t)(objset_t *);

#define	OBJSET_PROP_UNINITIALIZED	((uint64_t)-1)
struct objset {
	/* Immutable: */
	struct dsl_dataset *os_dsl_dataset;
	spa_t *os_spa;
	arc_buf_t *os_phys_buf;
	objset_phys_t *os_phys;
	boolean_t os_encrypted;

	/*
	 * The following "special" dnodes have no parent, are exempt
	 * from dnode_move(), and are not recorded in os_dnodes, but they
	 * root their descendents in this objset using handles anyway, so
	 * that all access to dnodes from dbufs consistently uses handles.
	 */
	dnode_handle_t os_meta_dnode;
	dnode_handle_t os_userused_dnode;
	dnode_handle_t os_groupused_dnode;
	dnode_handle_t os_projectused_dnode;
	zilog_t *os_zil;

	list_node_t os_evicting_node;

	/* can change, under dsl_dir's locks: */
	uint64_t os_dnodesize; /* default dnode size for new objects */
	enum zio_checksum os_checksum;
	enum zio_compress os_compress;
	uint8_t os_copies;
	enum zio_checksum os_dedup_checksum;
	boolean_t os_dedup_verify;
	zfs_logbias_op_t os_logbias;
	zfs_cache_type_t os_primary_cache;
	zfs_cache_type_t os_secondary_cache;
	zfs_sync_type_t os_sync;
	zfs_redundant_metadata_type_t os_redundant_metadata;
	int os_recordsize;
	/*
	 * The next four values are used as a cache of whatever's on disk, and
	 * are initialized the first time these properties are queried. Before
	 * being initialized with their real values, their values are
	 * OBJSET_PROP_UNINITIALIZED.
	 */
	uint64_t os_version;
	uint64_t os_normalization;
	uint64_t os_utf8only;
	uint64_t os_casesensitivity;
	/*
	 * The largest zpl file block allowed in special class.
	 * cached here instead of zfsvfs for easier access.
	 */
	int os_zpl_special_smallblock;

	/*
	 * Pointer is constant; the blkptr it points to is protected by
	 * os_dsl_dataset->ds_bp_rwlock
	 */
	blkptr_t *os_rootbp;

	/* no lock needed: */
	struct dmu_tx *os_synctx; /* XXX sketchy */
	zil_header_t os_zil_header;
	multilist_t *os_synced_dnodes;
	uint64_t os_flags;
	uint64_t os_freed_dnodes;
	boolean_t os_rescan_dnodes;
	boolean_t os_raw_receive;

	/* os_phys_buf should be written raw next txg */
	boolean_t os_next_write_raw[TXG_SIZE];

	/* Protected by os_obj_lock */
	kmutex_t os_obj_lock;
	uint64_t os_obj_next_chunk;

	/* Per-CPU next object to allocate, protected by atomic ops. */
	uint64_t *os_obj_next_percpu;
	int os_obj_next_percpu_len;

	/* Protected by os_lock */
	kmutex_t os_lock;
	multilist_t *os_dirty_dnodes[TXG_SIZE];
	list_t os_dnodes;
	list_t os_downgraded_dbufs;

	/* Protects changes to DMU_{USER,GROUP,PROJECT}USED_OBJECT */
	kmutex_t os_userused_lock;

	/* stuff we store for the user */
	kmutex_t os_user_ptr_lock;
	void *os_user_ptr;
	sa_os_t *os_sa;

	/* kernel thread to upgrade this dataset */
	kmutex_t os_upgrade_lock;
	taskqid_t os_upgrade_id;
	dmu_objset_upgrade_cb_t os_upgrade_cb;
	boolean_t os_upgrade_exit;
	int os_upgrade_status;
};

#define	DMU_META_OBJSET		0
#define	DMU_META_DNODE_OBJECT	0
#define	DMU_OBJECT_IS_SPECIAL(obj) ((int64_t)(obj) <= 0)
#define	DMU_META_DNODE(os)	((os)->os_meta_dnode.dnh_dnode)
#define	DMU_USERUSED_DNODE(os)	((os)->os_userused_dnode.dnh_dnode)
#define	DMU_GROUPUSED_DNODE(os)	((os)->os_groupused_dnode.dnh_dnode)
#define	DMU_PROJECTUSED_DNODE(os) ((os)->os_projectused_dnode.dnh_dnode)

#define	DMU_OS_IS_L2CACHEABLE(os)				\
	((os)->os_secondary_cache == ZFS_CACHE_ALL ||		\
	(os)->os_secondary_cache == ZFS_CACHE_METADATA)

/* called from zpl */
int dmu_objset_hold(const char *name, void *tag, objset_t **osp);
int dmu_objset_hold_flags(const char *name, boolean_t decrypt, void *tag,
    objset_t **osp);
int dmu_objset_own(const char *name, dmu_objset_type_t type,
    boolean_t readonly, boolean_t decrypt, void *tag, objset_t **osp);
int dmu_objset_own_obj(struct dsl_pool *dp, uint64_t obj,
    dmu_objset_type_t type, boolean_t readonly, boolean_t decrypt,
    void *tag, objset_t **osp);
void dmu_objset_refresh_ownership(struct dsl_dataset *ds,
    struct dsl_dataset **newds, boolean_t decrypt, void *tag);
void dmu_objset_rele(objset_t *os, void *tag);
void dmu_objset_rele_flags(objset_t *os, boolean_t decrypt, void *tag);
void dmu_objset_disown(objset_t *os, boolean_t decrypt, void *tag);
int dmu_objset_from_ds(struct dsl_dataset *ds, objset_t **osp);

void dmu_objset_stats(objset_t *os, nvlist_t *nv);
void dmu_objset_fast_stat(objset_t *os, dmu_objset_stats_t *stat);
void dmu_objset_space(objset_t *os, uint64_t *refdbytesp, uint64_t *availbytesp,
    uint64_t *usedobjsp, uint64_t *availobjsp);
uint64_t dmu_objset_fsid_guid(objset_t *os);
int dmu_objset_find_dp(struct dsl_pool *dp, uint64_t ddobj,
    int func(struct dsl_pool *, struct dsl_dataset *, void *),
    void *arg, int flags);
void dmu_objset_evict_dbufs(objset_t *os);
inode_timespec_t dmu_objset_snap_cmtime(objset_t *os);

/* called from dsl */
void dmu_objset_sync(objset_t *os, zio_t *zio, dmu_tx_t *tx);
boolean_t dmu_objset_is_dirty(objset_t *os, uint64_t txg);
objset_t *dmu_objset_create_impl_dnstats(spa_t *spa, struct dsl_dataset *ds,
    blkptr_t *bp, dmu_objset_type_t type, int levels, int blksz, int ibs,
    dmu_tx_t *tx);
objset_t *dmu_objset_create_impl(spa_t *spa, struct dsl_dataset *ds,
    blkptr_t *bp, dmu_objset_type_t type, dmu_tx_t *tx);
int dmu_objset_open_impl(spa_t *spa, struct dsl_dataset *ds, blkptr_t *bp,
    objset_t **osp);
void dmu_objset_evict(objset_t *os);
void dmu_objset_do_userquota_updates(objset_t *os, dmu_tx_t *tx);
void dmu_objset_userquota_get_ids(dnode_t *dn, boolean_t before, dmu_tx_t *tx);
boolean_t dmu_objset_userused_enabled(objset_t *os);
int dmu_objset_userspace_upgrade(objset_t *os);
boolean_t dmu_objset_userspace_present(objset_t *os);
boolean_t dmu_objset_userobjused_enabled(objset_t *os);
boolean_t dmu_objset_userobjspace_upgradable(objset_t *os);
boolean_t dmu_objset_userobjspace_present(objset_t *os);
boolean_t dmu_objset_incompatible_encryption_version(objset_t *os);
boolean_t dmu_objset_projectquota_enabled(objset_t *os);
boolean_t dmu_objset_projectquota_present(objset_t *os);
boolean_t dmu_objset_projectquota_upgradable(objset_t *os);
void dmu_objset_id_quota_upgrade(objset_t *os);

int dmu_fsname(const char *snapname, char *buf);

void dmu_objset_evict_done(objset_t *os);
void dmu_objset_willuse_space(objset_t *os, int64_t space, dmu_tx_t *tx);

void dmu_objset_init(void);
void dmu_objset_fini(void);

#ifdef	__cplusplus
}
#endif

#endif /* _SYS_DMU_OBJSET_H */
Commit	Line	Data
34dc7c2f BB	1	/*
	2	* CDDL HEADER START
	3	*
	4	* The contents of this file are subject to the terms of the
	5	* Common Development and Distribution License (the "License").
	6	* You may not use this file except in compliance with the License.
	7	*
	8	* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
	9	* or http://www.opensolaris.org/os/licensing.
	10	* See the License for the specific language governing permissions
	11	* and limitations under the License.
	12	*
	13	* When distributing Covered Code, include this CDDL HEADER in each
	14	* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
	15	* If applicable, add the following below this CDDL HEADER, with the
	16	* fields enclosed by brackets "[]" replaced with your own identifying
	17	* information: Portions Copyright [yyyy] [name of copyright owner]
	18	*
	19	* CDDL HEADER END
	20	*/
	21	/*
428870ff	22	* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
cc99f275	23	* Copyright (c) 2012, 2018 by Delphix. All rights reserved.
3a17a7a9	24	* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
0c66c32d	25	* Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
34dc7c2f BB	26	*/
34dc7c2f BB	27
428870ff BB	28	/* Portions Copyright 2010 Robert Milkowski */
428870ff BB	29
34dc7c2f BB	30	#ifndef _SYS_DMU_OBJSET_H
	31	#define _SYS_DMU_OBJSET_H
	32
34dc7c2f BB	33	#include <sys/spa.h>
	34	#include <sys/arc.h>
	35	#include <sys/txg.h>
	36	#include <sys/zfs_context.h>
	37	#include <sys/dnode.h>
	38	#include <sys/zio.h>
	39	#include <sys/zil.h>
428870ff	40	#include <sys/sa.h>
2e5dc449	41	#include <sys/zfs_ioctl.h>
34dc7c2f BB	42
	43	#ifdef __cplusplus
	44	extern "C" {
	45	#endif
	46
572e2857 BB	47	extern krwlock_t os_lock;
572e2857 BB	48
13fe0198	49	struct dsl_pool;
34dc7c2f BB	50	struct dsl_dataset;
34dc7c2f BB	51	struct dmu_tx;
34dc7c2f	52
9c5167d1 NF	53	#define OBJSET_PHYS_SIZE_V1 1024
	54	#define OBJSET_PHYS_SIZE_V2 2048
	55	#define OBJSET_PHYS_SIZE_V3 4096
9babb374	56
428870ff	57	#define OBJSET_BUF_HAS_USERUSED(buf) \
9c5167d1 NF	58	(arc_buf_size(buf) >= OBJSET_PHYS_SIZE_V2)
	59	#define OBJSET_BUF_HAS_PROJECTUSED(buf) \
	60	(arc_buf_size(buf) >= OBJSET_PHYS_SIZE_V3)
428870ff	61
9c5167d1 NF	62	#define OBJSET_FLAG_USERACCOUNTING_COMPLETE (1ULL << 0)
	63	#define OBJSET_FLAG_USEROBJACCOUNTING_COMPLETE (1ULL << 1)
	64	#define OBJSET_FLAG_PROJECTQUOTA_COMPLETE (1ULL << 2)
9babb374	65
089fbf31 TC	66	/*
	67	* This mask defines the set of flags which are "portable", meaning
	68	* that they can be preserved when doing a raw encrypted zfs send.
	69	* Flags included in this mask will be protected by os_portable_mac
	70	* when the block of dnodes is encrypted. No portable flags currently
	71	* exist.
	72	*/
b5256303 TC	73	#define OBJSET_CRYPT_PORTABLE_FLAGS_MASK (0)
b5256303 TC	74
34dc7c2f BB	75	typedef struct objset_phys {
	76	dnode_phys_t os_meta_dnode;
	77	zil_header_t os_zil_header;
	78	uint64_t os_type;
9babb374	79	uint64_t os_flags;
b5256303 TC	80	uint8_t os_portable_mac[ZIO_OBJSET_MAC_LEN];
b5256303 TC	81	uint8_t os_local_mac[ZIO_OBJSET_MAC_LEN];
9c5167d1	82	char os_pad0[OBJSET_PHYS_SIZE_V2 - sizeof (dnode_phys_t)*3 -
b5256303 TC	83	sizeof (zil_header_t) - sizeof (uint64_t)*2 -
b5256303 TC	84	2*ZIO_OBJSET_MAC_LEN];
9babb374 BB	85	dnode_phys_t os_userused_dnode;
9babb374 BB	86	dnode_phys_t os_groupused_dnode;
9c5167d1 NF	87	dnode_phys_t os_projectused_dnode;
	88	char os_pad1[OBJSET_PHYS_SIZE_V3 - OBJSET_PHYS_SIZE_V2 -
	89	sizeof (dnode_phys_t)];
34dc7c2f BB	90	} objset_phys_t;
34dc7c2f BB	91
1de321e6 JX	92	typedef int (dmu_objset_upgrade_cb_t)(objset_t );
1de321e6 JX	93
2e5dc449	94	#define OBJSET_PROP_UNINITIALIZED ((uint64_t)-1)
34dc7c2f	95	struct objset {
34dc7c2f BB	96	/* Immutable: */
	97	struct dsl_dataset *os_dsl_dataset;
	98	spa_t *os_spa;
	99	arc_buf_t *os_phys_buf;
	100	objset_phys_t *os_phys;
b5256303 TC	101	boolean_t os_encrypted;
b5256303 TC	102
572e2857	103	/*
0c66c32d JG	104	* The following "special" dnodes have no parent, are exempt
	105	* from dnode_move(), and are not recorded in os_dnodes, but they
	106	* root their descendents in this objset using handles anyway, so
	107	* that all access to dnodes from dbufs consistently uses handles.
572e2857 BB	108	*/
	109	dnode_handle_t os_meta_dnode;
	110	dnode_handle_t os_userused_dnode;
	111	dnode_handle_t os_groupused_dnode;
9c5167d1	112	dnode_handle_t os_projectused_dnode;
34dc7c2f	113	zilog_t *os_zil;
428870ff	114
0c66c32d JG	115	list_node_t os_evicting_node;
0c66c32d JG	116
428870ff	117	/* can change, under dsl_dir's locks: */
50c957f7	118	uint64_t os_dnodesize; /* default dnode size for new objects */
faf0f58c MA	119	enum zio_checksum os_checksum;
faf0f58c MA	120	enum zio_compress os_compress;
428870ff	121	uint8_t os_copies;
faf0f58c MA	122	enum zio_checksum os_dedup_checksum;
	123	boolean_t os_dedup_verify;
	124	zfs_logbias_op_t os_logbias;
	125	zfs_cache_type_t os_primary_cache;
	126	zfs_cache_type_t os_secondary_cache;
	127	zfs_sync_type_t os_sync;
	128	zfs_redundant_metadata_type_t os_redundant_metadata;
f1512ee6	129	int os_recordsize;
2e5dc449 MA	130	/*
	131	* The next four values are used as a cache of whatever's on disk, and
	132	* are initialized the first time these properties are queried. Before
	133	* being initialized with their real values, their values are
	134	* OBJSET_PROP_UNINITIALIZED.
	135	*/
	136	uint64_t os_version;
	137	uint64_t os_normalization;
	138	uint64_t os_utf8only;
	139	uint64_t os_casesensitivity;
cc99f275 DB	140	/*
	141	* The largest zpl file block allowed in special class.
	142	* cached here instead of zfsvfs for easier access.
	143	*/
	144	int os_zpl_special_smallblock;
34dc7c2f	145
cc9bb3e5 GM	146	/*
	147	* Pointer is constant; the blkptr it points to is protected by
	148	* os_dsl_dataset->ds_bp_rwlock
	149	*/
	150	blkptr_t *os_rootbp;
	151
34dc7c2f BB	152	/* no lock needed: */
34dc7c2f BB	153	struct dmu_tx os_synctx; / XXX sketchy */
b128c09f	154	zil_header_t os_zil_header;
64fc7762	155	multilist_t *os_synced_dnodes;
9babb374	156	uint64_t os_flags;
68cbd56e NB	157	uint64_t os_freed_dnodes;
68cbd56e NB	158	boolean_t os_rescan_dnodes;
0c03d21a	159	boolean_t os_raw_receive;
34dc7c2f	160
b5256303	161	/* os_phys_buf should be written raw next txg */
1b66810b	162	boolean_t os_next_write_raw[TXG_SIZE];
b5256303	163
34dc7c2f BB	164	/* Protected by os_obj_lock */
34dc7c2f BB	165	kmutex_t os_obj_lock;
dbeb8796 MA	166	uint64_t os_obj_next_chunk;
	167
	168	/* Per-CPU next object to allocate, protected by atomic ops. */
	169	uint64_t *os_obj_next_percpu;
	170	int os_obj_next_percpu_len;
34dc7c2f BB	171
	172	/* Protected by os_lock */
	173	kmutex_t os_lock;
64fc7762	174	multilist_t *os_dirty_dnodes[TXG_SIZE];
34dc7c2f BB	175	list_t os_dnodes;
	176	list_t os_downgraded_dbufs;
	177
9c5167d1	178	/* Protects changes to DMU_{USER,GROUP,PROJECT}USED_OBJECT */
64fc7762 MA	179	kmutex_t os_userused_lock;
64fc7762 MA	180
34dc7c2f BB	181	/* stuff we store for the user */
	182	kmutex_t os_user_ptr_lock;
	183	void *os_user_ptr;
428870ff	184	sa_os_t *os_sa;
1de321e6 JX	185
	186	/* kernel thread to upgrade this dataset */
	187	kmutex_t os_upgrade_lock;
	188	taskqid_t os_upgrade_id;
	189	dmu_objset_upgrade_cb_t os_upgrade_cb;
	190	boolean_t os_upgrade_exit;
	191	int os_upgrade_status;
428870ff BB	192	};
	193
	194	#define DMU_META_OBJSET 0
34dc7c2f	195	#define DMU_META_DNODE_OBJECT 0
9babb374	196	#define DMU_OBJECT_IS_SPECIAL(obj) ((int64_t)(obj) <= 0)
572e2857 BB	197	#define DMU_META_DNODE(os) ((os)->os_meta_dnode.dnh_dnode)
	198	#define DMU_USERUSED_DNODE(os) ((os)->os_userused_dnode.dnh_dnode)
	199	#define DMU_GROUPUSED_DNODE(os) ((os)->os_groupused_dnode.dnh_dnode)
9c5167d1	200	#define DMU_PROJECTUSED_DNODE(os) ((os)->os_projectused_dnode.dnh_dnode)
34dc7c2f	201
b128c09f BB	202	#define DMU_OS_IS_L2CACHEABLE(os) \
	203	((os)->os_secondary_cache == ZFS_CACHE_ALL \|\| \
	204	(os)->os_secondary_cache == ZFS_CACHE_METADATA)
	205
34dc7c2f	206	/* called from zpl */
428870ff	207	int dmu_objset_hold(const char name, void tag, objset_t **osp);
b5256303 TC	208	int dmu_objset_hold_flags(const char name, boolean_t decrypt, void tag,
b5256303 TC	209	objset_t **osp);
428870ff	210	int dmu_objset_own(const char *name, dmu_objset_type_t type,
b5256303	211	boolean_t readonly, boolean_t decrypt, void tag, objset_t *osp);
9c43027b	212	int dmu_objset_own_obj(struct dsl_pool *dp, uint64_t obj,
b5256303 TC	213	dmu_objset_type_t type, boolean_t readonly, boolean_t decrypt,
b5256303 TC	214	void tag, objset_t *osp);
5e00213e AG	215	void dmu_objset_refresh_ownership(struct dsl_dataset *ds,
5e00213e AG	216	struct dsl_dataset *newds, boolean_t decrypt, void tag);
428870ff	217	void dmu_objset_rele(objset_t os, void tag);
b5256303 TC	218	void dmu_objset_rele_flags(objset_t os, boolean_t decrypt, void tag);
b5256303 TC	219	void dmu_objset_disown(objset_t os, boolean_t decrypt, void tag);
428870ff BB	220	int dmu_objset_from_ds(struct dsl_dataset ds, objset_t *osp);
428870ff BB	221
34dc7c2f BB	222	void dmu_objset_stats(objset_t os, nvlist_t nv);
	223	void dmu_objset_fast_stat(objset_t os, dmu_objset_stats_t stat);
	224	void dmu_objset_space(objset_t os, uint64_t refdbytesp, uint64_t *availbytesp,
	225	uint64_t usedobjsp, uint64_t availobjsp);
	226	uint64_t dmu_objset_fsid_guid(objset_t *os);
13fe0198 MA	227	int dmu_objset_find_dp(struct dsl_pool *dp, uint64_t ddobj,
	228	int func(struct dsl_pool , struct dsl_dataset , void *),
	229	void *arg, int flags);
	230	void dmu_objset_evict_dbufs(objset_t *os);
6413c95f	231	inode_timespec_t dmu_objset_snap_cmtime(objset_t *os);
34dc7c2f BB	232
34dc7c2f BB	233	/* called from dsl */
428870ff BB	234	void dmu_objset_sync(objset_t os, zio_t zio, dmu_tx_t *tx);
428870ff BB	235	boolean_t dmu_objset_is_dirty(objset_t *os, uint64_t txg);
b5256303 TC	236	objset_t dmu_objset_create_impl_dnstats(spa_t spa, struct dsl_dataset *ds,
	237	blkptr_t *bp, dmu_objset_type_t type, int levels, int blksz, int ibs,
	238	dmu_tx_t *tx);
428870ff	239	objset_t dmu_objset_create_impl(spa_t spa, struct dsl_dataset *ds,
34dc7c2f BB	240	blkptr_t bp, dmu_objset_type_t type, dmu_tx_t tx);
34dc7c2f BB	241	int dmu_objset_open_impl(spa_t spa, struct dsl_dataset ds, blkptr_t *bp,
428870ff BB	242	objset_t **osp);
	243	void dmu_objset_evict(objset_t *os);
	244	void dmu_objset_do_userquota_updates(objset_t os, dmu_tx_t tx);
	245	void dmu_objset_userquota_get_ids(dnode_t dn, boolean_t before, dmu_tx_t tx);
	246	boolean_t dmu_objset_userused_enabled(objset_t *os);
9babb374 BB	247	int dmu_objset_userspace_upgrade(objset_t *os);
9babb374 BB	248	boolean_t dmu_objset_userspace_present(objset_t *os);
1de321e6	249	boolean_t dmu_objset_userobjused_enabled(objset_t *os);
126ae9f4	250	boolean_t dmu_objset_userobjspace_upgradable(objset_t *os);
1de321e6	251	boolean_t dmu_objset_userobjspace_present(objset_t *os);
ae76f45c	252	boolean_t dmu_objset_incompatible_encryption_version(objset_t *os);
9c5167d1 NF	253	boolean_t dmu_objset_projectquota_enabled(objset_t *os);
	254	boolean_t dmu_objset_projectquota_present(objset_t *os);
	255	boolean_t dmu_objset_projectquota_upgradable(objset_t *os);
	256	void dmu_objset_id_quota_upgrade(objset_t *os);
1de321e6	257
13fe0198	258	int dmu_fsname(const char snapname, char buf);
34dc7c2f	259
0c66c32d	260	void dmu_objset_evict_done(objset_t *os);
3ec3bc21	261	void dmu_objset_willuse_space(objset_t os, int64_t space, dmu_tx_t tx);
0c66c32d	262
572e2857 BB	263	void dmu_objset_init(void);
	264	void dmu_objset_fini(void);
	265
34dc7c2f BB	266	#ifdef __cplusplus
	267	}
	268	#endif
	269
	270	#endif /* _SYS_DMU_OBJSET_H */