Rebase master to b121

[zfs.git] / module / zfs / include / sys / dmu_objset.h

diff --git a/module/zfs/include/sys/dmu_objset.h b/module/zfs/include/sys/dmu_objset.h
index 15df29a..052cb8d 100644 (file)
--- a/module/zfs/include/sys/dmu_objset.h
+++ b/module/zfs/include/sys/dmu_objset.h
@@ -19,15 +19,13 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 #ifndef        _SYS_DMU_OBJSET_H
 #define        _SYS_DMU_OBJSET_H
 
-#pragma ident  "%Z%%M% %I%     %E% SMI"
-
 #include <sys/spa.h>
 #include <sys/arc.h>
 #include <sys/txg.h>
@@ -44,12 +42,20 @@ struct dsl_dataset;
 struct dmu_tx;
 struct objset_impl;
 
+#define        OBJSET_PHYS_SIZE 2048
+#define        OBJSET_OLD_PHYS_SIZE 1024
+
+#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 {
@@ -64,6 +70,8 @@ typedef struct objset_impl {
        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 */
@@ -76,6 +84,8 @@ typedef struct objset_impl {
        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;
@@ -94,6 +104,7 @@ typedef struct objset_impl {
 } objset_impl_t;
 
 #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 ||           \
@@ -106,9 +117,10 @@ 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,
     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_destroy(const char *name, boolean_t defer);
 int dmu_objset_rollback(objset_t *os);
-int dmu_objset_snapshot(char *fsname, char *snapname, boolean_t recursive);
+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,
@@ -118,6 +130,7 @@ int dmu_objset_find(char *name, int func(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(char *name, void *arg);
 void dmu_objset_byteswap(void *buf, size_t size);
 int dmu_objset_evict_dbufs(objset_t *os);
 
@@ -128,6 +141,10 @@ objset_impl_t *dmu_objset_create_impl(spa_t *spa, struct dsl_dataset *ds,
 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);
+void dmu_objset_do_userquota_callbacks(objset_impl_t *os, dmu_tx_t *tx);
+boolean_t dmu_objset_userused_enabled(objset_impl_t *os);
+int dmu_objset_userspace_upgrade(objset_t *os);
+boolean_t dmu_objset_userspace_present(objset_t *os);
 
 #ifdef __cplusplus
 }