X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Finclude%2Fsys%2Fdmu_objset.h;h=5c5119a2073d01aca7c32a70551ffb40f17a2eb6;hb=428870ff734fdaccc342b33fc53cf94724409a46;hp=15df29a17799beb77c7844dd56154abb52f9d61a;hpb=172bb4bd5e4afef721dd4d2972d8680d983f144b;p=zfs.git diff --git a/module/zfs/include/sys/dmu_objset.h b/module/zfs/include/sys/dmu_objset.h index 15df29a..5c5119a 100644 --- a/module/zfs/include/sys/dmu_objset.h +++ b/module/zfs/include/sys/dmu_objset.h @@ -19,15 +19,14 @@ * CDDL HEADER END */ /* - * Copyright 2008 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. */ +/* Portions Copyright 2010 Robert Milkowski */ + #ifndef _SYS_DMU_OBJSET_H #define _SYS_DMU_OBJSET_H -#pragma ident "%Z%%M% %I% %E% SMI" - #include #include #include @@ -35,6 +34,7 @@ #include #include #include +#include #ifdef __cplusplus extern "C" { @@ -42,40 +42,54 @@ extern "C" { struct dsl_dataset; struct dmu_tx; -struct objset_impl; + +#define OBJSET_PHYS_SIZE 2048 +#define OBJSET_OLD_PHYS_SIZE 1024 + +#define OBJSET_BUF_HAS_USERUSED(buf) \ + (arc_buf_size(buf) > OBJSET_OLD_PHYS_SIZE) + +#define OBJSET_FLAG_USERACCOUNTING_COMPLETE (1ULL<<0) typedef struct objset_phys { dnode_phys_t os_meta_dnode; zil_header_t os_zil_header; uint64_t os_type; - char os_pad[1024 - sizeof (dnode_phys_t) - sizeof (zil_header_t) - - sizeof (uint64_t)]; + uint64_t os_flags; + char os_pad[OBJSET_PHYS_SIZE - sizeof (dnode_phys_t)*3 - + sizeof (zil_header_t) - sizeof (uint64_t)*2]; + dnode_phys_t os_userused_dnode; + dnode_phys_t os_groupused_dnode; } objset_phys_t; struct objset { - struct objset_impl *os; - int os_mode; -}; - -typedef struct objset_impl { /* Immutable: */ struct dsl_dataset *os_dsl_dataset; spa_t *os_spa; arc_buf_t *os_phys_buf; objset_phys_t *os_phys; dnode_t *os_meta_dnode; + dnode_t *os_userused_dnode; + dnode_t *os_groupused_dnode; zilog_t *os_zil; - objset_t os; - uint8_t os_checksum; /* can change, under dsl_dir's locks */ - uint8_t os_compress; /* can change, under dsl_dir's locks */ - uint8_t os_copies; /* can change, under dsl_dir's locks */ - uint8_t os_primary_cache; /* can change, under dsl_dir's locks */ - uint8_t os_secondary_cache; /* can change, under dsl_dir's locks */ + + /* can change, under dsl_dir's locks: */ + uint8_t os_checksum; + uint8_t os_compress; + uint8_t os_copies; + uint8_t os_dedup_checksum; + uint8_t os_dedup_verify; + uint8_t os_logbias; + uint8_t os_primary_cache; + uint8_t os_secondary_cache; + uint8_t os_sync; /* no lock needed: */ struct dmu_tx *os_synctx; /* XXX sketchy */ blkptr_t *os_rootbp; zil_header_t os_zil_header; + list_t os_synced_dnodes; + uint64_t os_flags; /* Protected by os_obj_lock */ kmutex_t os_obj_lock; @@ -91,43 +105,61 @@ typedef struct objset_impl { /* stuff we store for the user */ kmutex_t os_user_ptr_lock; void *os_user_ptr; -} objset_impl_t; + /* SA layout/attribute registration */ + sa_os_t *os_sa; +}; + +#define DMU_META_OBJSET 0 #define DMU_META_DNODE_OBJECT 0 +#define DMU_OBJECT_IS_SPECIAL(obj) ((int64_t)(obj) <= 0) #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_open(const char *name, dmu_objset_type_t type, int mode, - objset_t **osp); -void dmu_objset_close(objset_t *os); -int dmu_objset_create(const char *name, dmu_objset_type_t type, - objset_t *clone_parent, uint64_t flags, +int dmu_objset_hold(const char *name, void *tag, objset_t **osp); +int dmu_objset_own(const char *name, dmu_objset_type_t type, + boolean_t readonly, void *tag, objset_t **osp); +void dmu_objset_rele(objset_t *os, void *tag); +void dmu_objset_disown(objset_t *os, void *tag); +int dmu_objset_from_ds(struct dsl_dataset *ds, objset_t **osp); + +int dmu_objset_create(const char *name, dmu_objset_type_t type, uint64_t flags, void (*func)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx), void *arg); -int dmu_objset_destroy(const char *name); -int dmu_objset_rollback(objset_t *os); -int dmu_objset_snapshot(char *fsname, char *snapname, boolean_t recursive); +int dmu_objset_clone(const char *name, struct dsl_dataset *clone_origin, + uint64_t flags); +int dmu_objset_destroy(const char *name, boolean_t defer); +int dmu_objset_snapshot(char *fsname, char *snapname, nvlist_t *props, + boolean_t recursive); 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(char *name, int func(char *, void *), void *arg, +int dmu_objset_find(char *name, int func(const char *, void *), void *arg, int flags); int dmu_objset_find_spa(spa_t *spa, const char *name, int func(spa_t *, uint64_t, const char *, void *), void *arg, int flags); +int dmu_objset_prefetch(const char *name, void *arg); void dmu_objset_byteswap(void *buf, size_t size); int dmu_objset_evict_dbufs(objset_t *os); +timestruc_t dmu_objset_snap_cmtime(objset_t *os); /* called from dsl */ -void dmu_objset_sync(objset_impl_t *os, zio_t *zio, dmu_tx_t *tx); -objset_impl_t *dmu_objset_create_impl(spa_t *spa, struct dsl_dataset *ds, +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(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_impl_t **osip); -void dmu_objset_evict(struct dsl_dataset *ds, void *arg); + 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); #ifdef __cplusplus }