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📄 Makefile.am(2.18 KB)
📄 abd.h(4.25 KB)
📄 abd_impl.h(4.41 KB)
📄 aggsum.h(1.28 KB)
📄 arc.h(11.19 KB)
📄 arc_impl.h(33.15 KB)
📄 avl.h(9.16 KB)
📄 avl_impl.h(4.8 KB)
📄 bitops.h(3.2 KB)
📄 blkptr.h(914 B)
📄 bplist.h(1.6 KB)
📄 bpobj.h(3.21 KB)
📄 bptree.h(1.89 KB)
📄 bqueue.h(1.23 KB)
📄 btree.h(7.68 KB)
📁 crypto
📄 dataset_kstats.h(2.27 KB)
📄 dbuf.h(13.94 KB)
📄 ddt.h(7.96 KB)
📄 dmu.h(39.06 KB)
📄 dmu_impl.h(6.92 KB)
📄 dmu_objset.h(9.19 KB)
📄 dmu_recv.h(2.75 KB)
📄 dmu_redact.h(1.67 KB)
📄 dmu_send.h(2.54 KB)
📄 dmu_traverse.h(3.02 KB)
📄 dmu_tx.h(4.43 KB)
📄 dmu_zfetch.h(2.23 KB)
📄 dnode.h(22.41 KB)
📄 dsl_bookmark.h(5.05 KB)
📄 dsl_crypt.h(7.76 KB)
📄 dsl_dataset.h(18.62 KB)
📄 dsl_deadlist.h(4.21 KB)
📄 dsl_deleg.h(3.27 KB)
📄 dsl_destroy.h(2.19 KB)
📄 dsl_dir.h(7.67 KB)
📄 dsl_pool.h(6.23 KB)
📄 dsl_prop.h(4.38 KB)
📄 dsl_scan.h(7.11 KB)
📄 dsl_synctask.h(4.06 KB)
📄 dsl_userhold.h(1.84 KB)
📄 edonr.h(2.65 KB)
📄 efi_partition.h(16.28 KB)
📁 fm
📄 frame.h(935 B)
📁 fs
📄 hkdf.h(782 B)
📁 lua
📄 metaslab.h(5.48 KB)
📄 metaslab_impl.h(21.23 KB)
📄 mmp.h(2.37 KB)
📄 mntent.h(5.22 KB)
📄 mod.h(1.26 KB)
📄 multilist.h(3.27 KB)
📄 note.h(1.62 KB)
📄 nvpair.h(14.77 KB)
📄 nvpair_impl.h(2.23 KB)
📄 objlist.h(1.13 KB)
📄 pathname.h(2.12 KB)
📄 qat.h(5.86 KB)
📄 range_tree.h(9.73 KB)
📄 rrwlock.h(3.53 KB)
📄 sa.h(5.14 KB)
📄 sa_impl.h(8.29 KB)
📄 skein.h(6.69 KB)
📄 spa.h(46.07 KB)
📄 spa_boot.h(1.16 KB)
📄 spa_checkpoint.h(1.44 KB)
📄 spa_checksum.h(1.96 KB)
📄 spa_impl.h(18.25 KB)
📄 spa_log_spacemap.h(2.62 KB)
📄 space_map.h(8.7 KB)
📄 space_reftree.h(1.69 KB)
📁 sysevent
📄 sysevent.h(1.07 KB)
📄 txg.h(4.66 KB)
📄 txg_impl.h(4.77 KB)
📄 u8_textprep.h(3.59 KB)
📄 u8_textprep_data.h(1.41 MB)
📄 uberblock.h(1.36 KB)
📄 uberblock_impl.h(5.11 KB)
📄 uio_impl.h(1.58 KB)
📄 unique.h(1.56 KB)
📄 uuid.h(2.85 KB)
📄 vdev.h(8.18 KB)
📄 vdev_disk.h(1.65 KB)
📄 vdev_draid.h(3.43 KB)
📄 vdev_file.h(1.23 KB)
📄 vdev_impl.h(22.53 KB)
📄 vdev_indirect_births.h(2.31 KB)
📄 vdev_indirect_mapping.h(4.38 KB)
📄 vdev_initialize.h(1.39 KB)
📄 vdev_raidz.h(2.04 KB)
📄 vdev_raidz_impl.h(10.54 KB)
📄 vdev_rebuild.h(3.4 KB)
📄 vdev_removal.h(2.63 KB)
📄 vdev_trim.h(1.72 KB)
📄 xvattr.h(13.1 KB)
📄 zap.h(18.63 KB)
📄 zap_impl.h(6.79 KB)
📄 zap_leaf.h(7.84 KB)
📄 zcp.h(4.87 KB)
📄 zcp_global.h(742 B)
📄 zcp_iter.h(1.07 KB)
📄 zcp_prop.h(780 B)
📄 zcp_set.h(929 B)
📄 zfeature.h(2.42 KB)
📄 zfs_acl.h(8.08 KB)
📄 zfs_bootenv.h(1.41 KB)
📄 zfs_context.h(21.23 KB)
📄 zfs_debug.h(3.3 KB)
📄 zfs_delay.h(1.25 KB)
📄 zfs_file.h(2.06 KB)
📄 zfs_fuid.h(4.26 KB)
📄 zfs_ioctl.h(17.63 KB)
📄 zfs_ioctl_impl.h(3.1 KB)
📄 zfs_onexit.h(1.65 KB)
📄 zfs_project.h(2.35 KB)
📄 zfs_quota.h(1.57 KB)
📄 zfs_racct.h(1.12 KB)
📄 zfs_ratelimit.h(1.11 KB)
📄 zfs_refcount.h(4.15 KB)
📄 zfs_rlock.h(2.54 KB)
📄 zfs_sa.h(4.38 KB)
📄 zfs_stat.h(1.45 KB)
📄 zfs_sysfs.h(1.49 KB)
📄 zfs_vfsops.h(1.05 KB)
📄 zfs_vnops.h(2 KB)
📄 zfs_znode.h(10.93 KB)
📄 zil.h(18.27 KB)
📄 zil_impl.h(9.12 KB)
📄 zio.h(21.68 KB)
📄 zio_checksum.h(4.55 KB)
📄 zio_compress.h(5.91 KB)
📄 zio_crypt.h(5.21 KB)
📄 zio_impl.h(8.33 KB)
📄 zio_priority.h(1.2 KB)
📄 zrlock.h(1.7 KB)
📁 zstd
📄 zthr.h(1.23 KB)
📄 zvol.h(2.27 KB)
📄 zvol_impl.h(3.7 KB)

Editing: 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.
 */

#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_complevel;
	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;
	uint64_t 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_sync_done(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);
void 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_get_file_info(objset_t *os, dmu_object_type_t bonustype,
    const void *data, zfs_file_info_t *zfi);

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 */

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