*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2017 by Delphix. All rights reserved.
+ * Copyright (c) 2014, Joyent, Inc. All rights reserved.
+ * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
*/
#ifndef _SYS_DSL_DIR_H
#include <sys/dsl_synctask.h>
#include <sys/refcount.h>
#include <sys/zfs_context.h>
+#include <sys/dsl_crypt.h>
#ifdef __cplusplus
extern "C" {
struct dsl_dataset;
+/*
+ * DD_FIELD_* are strings that are used in the "extensified" dsl_dir zap object.
+ * They should be of the format <reverse-dns>:<field>.
+ */
+
+#define DD_FIELD_FILESYSTEM_COUNT "com.joyent:filesystem_count"
+#define DD_FIELD_SNAPSHOT_COUNT "com.joyent:snapshot_count"
+#define DD_FIELD_CRYPTO_KEY_OBJ "com.datto:crypto_key_obj"
+#define DD_FIELD_LAST_REMAP_TXG "com.delphix:last_remap_txg"
+
typedef enum dd_used {
DD_USED_HEAD,
DD_USED_SNAP,
} dsl_dir_phys_t;
struct dsl_dir {
+ dmu_buf_user_t dd_dbu;
+
/* These are immutable; no lock needed: */
uint64_t dd_object;
- dsl_dir_phys_t *dd_phys;
- dmu_buf_t *dd_dbuf;
+ uint64_t dd_crypto_obj;
dsl_pool_t *dd_pool;
+ /* Stable until user eviction; no lock needed: */
+ dmu_buf_t *dd_dbuf;
+
/* protected by lock on pool's dp_dirty_dirs list */
txg_node_t dd_dirty_link;
/* Protected by dd_lock */
kmutex_t dd_lock;
- list_t dd_prop_cbs; /* list of dsl_prop_cb_record_t's */
- timestruc_t dd_snap_cmtime; /* last time snapshot namespace changed */
+ list_t dd_props; /* list of dsl_prop_record_t's */
+ inode_timespec_t dd_snap_cmtime; /* last snapshot namespace change */
uint64_t dd_origin_txg;
/* gross estimate of space used by in-flight tx's */
int64_t dd_space_towrite[TXG_SIZE];
/* protected by dd_lock; keep at end of struct for better locality */
- char dd_myname[MAXNAMELEN];
+ char dd_myname[ZFS_MAX_DATASET_NAME_LEN];
};
+static inline dsl_dir_phys_t *
+dsl_dir_phys(dsl_dir_t *dd)
+{
+ return (dd->dd_dbuf->db_data);
+}
+
void dsl_dir_rele(dsl_dir_t *dd, void *tag);
+void dsl_dir_async_rele(dsl_dir_t *dd, void *tag);
int dsl_dir_hold(dsl_pool_t *dp, const char *name, void *tag,
dsl_dir_t **, const char **tail);
int dsl_dir_hold_obj(dsl_pool_t *dp, uint64_t ddobj,
int dsl_dir_namelen(dsl_dir_t *dd);
uint64_t dsl_dir_create_sync(dsl_pool_t *dp, dsl_dir_t *pds,
const char *name, dmu_tx_t *tx);
+
+uint64_t dsl_dir_get_used(dsl_dir_t *dd);
+uint64_t dsl_dir_get_compressed(dsl_dir_t *dd);
+uint64_t dsl_dir_get_quota(dsl_dir_t *dd);
+uint64_t dsl_dir_get_reservation(dsl_dir_t *dd);
+uint64_t dsl_dir_get_compressratio(dsl_dir_t *dd);
+uint64_t dsl_dir_get_logicalused(dsl_dir_t *dd);
+uint64_t dsl_dir_get_usedsnap(dsl_dir_t *dd);
+uint64_t dsl_dir_get_usedds(dsl_dir_t *dd);
+uint64_t dsl_dir_get_usedrefreserv(dsl_dir_t *dd);
+uint64_t dsl_dir_get_usedchild(dsl_dir_t *dd);
+void dsl_dir_get_origin(dsl_dir_t *dd, char *buf);
+int dsl_dir_get_filesystem_count(dsl_dir_t *dd, uint64_t *count);
+int dsl_dir_get_snapshot_count(dsl_dir_t *dd, uint64_t *count);
+
void dsl_dir_stats(dsl_dir_t *dd, nvlist_t *nv);
uint64_t dsl_dir_space_available(dsl_dir_t *dd,
dsl_dir_t *ancestor, int64_t delta, int ondiskonly);
void dsl_dir_dirty(dsl_dir_t *dd, dmu_tx_t *tx);
+int dsl_dir_get_remaptxg(dsl_dir_t *dd, uint64_t *count);
void dsl_dir_sync(dsl_dir_t *dd, dmu_tx_t *tx);
int dsl_dir_tempreserve_space(dsl_dir_t *dd, uint64_t mem,
- uint64_t asize, uint64_t fsize, uint64_t usize, void **tr_cookiep,
- dmu_tx_t *tx);
+ uint64_t asize, boolean_t netfree, void **tr_cookiep, dmu_tx_t *tx);
void dsl_dir_tempreserve_clear(void *tr_cookie, dmu_tx_t *tx);
void dsl_dir_willuse_space(dsl_dir_t *dd, int64_t space, dmu_tx_t *tx);
void dsl_dir_diduse_space(dsl_dir_t *dd, dd_used_t type,
uint64_t quota);
int dsl_dir_set_reservation(const char *ddname, zprop_source_t source,
uint64_t reservation);
+int dsl_dir_activate_fs_ss_limit(const char *);
+int dsl_fs_ss_limit_check(dsl_dir_t *, uint64_t, zfs_prop_t, dsl_dir_t *,
+ cred_t *);
+void dsl_fs_ss_count_adjust(dsl_dir_t *, int64_t, const char *, dmu_tx_t *);
+int dsl_dir_update_last_remap_txg(dsl_dir_t *, uint64_t);
int dsl_dir_rename(const char *oldname, const char *newname);
-int dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd, uint64_t space);
+int dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd,
+ uint64_t fs_cnt, uint64_t ss_cnt, uint64_t space, cred_t *);
boolean_t dsl_dir_is_clone(dsl_dir_t *dd);
void dsl_dir_new_refreservation(dsl_dir_t *dd, struct dsl_dataset *ds,
uint64_t reservation, cred_t *cr, dmu_tx_t *tx);
void dsl_dir_snap_cmtime_update(dsl_dir_t *dd);
-timestruc_t dsl_dir_snap_cmtime(dsl_dir_t *dd);
+inode_timespec_t dsl_dir_snap_cmtime(dsl_dir_t *dd);
void dsl_dir_set_reservation_sync_impl(dsl_dir_t *dd, uint64_t value,
dmu_tx_t *tx);
+void dsl_dir_zapify(dsl_dir_t *dd, dmu_tx_t *tx);
+boolean_t dsl_dir_is_zapified(dsl_dir_t *dd);
/* internal reserved dir name */
#define MOS_DIR_NAME "$MOS"
#define ORIGIN_DIR_NAME "$ORIGIN"
-#define XLATION_DIR_NAME "$XLATION"
#define FREE_DIR_NAME "$FREE"
+#define LEAK_DIR_NAME "$LEAK"
#ifdef ZFS_DEBUG
#define dprintf_dd(dd, fmt, ...) do { \
if (zfs_flags & ZFS_DEBUG_DPRINTF) { \
- char *__ds_name = kmem_alloc(MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, \
- KM_PUSHPAGE); \
+ char *__ds_name = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP); \
dsl_dir_name(dd, __ds_name); \
dprintf("dd=%s " fmt, __ds_name, __VA_ARGS__); \
- kmem_free(__ds_name, MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); \
+ kmem_free(__ds_name, ZFS_MAX_DATASET_NAME_LEN); \
} \
_NOTE(CONSTCOND) } while (0)
#else
projects / mirror_zfs.git / blobdiff