dsl_dir.h revision 088f389458728c464569a5506b58070254fa4f7d
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * Common Development and Distribution License (the "License").
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock * You may not use this file except in compliance with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
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fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
088f389458728c464569a5506b58070254fa4f7dahrens * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * Use is subject to license terms.
fa9e4066f08beec538e775443c5be79dd423fcabahrens#pragma ident "%Z%%M% %I% %E% SMI"
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern "C" {
fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct dsl_dir_phys {
fa9e4066f08beec538e775443c5be79dd423fcabahrens * how much space our children are accounting for; for leaf
fa9e4066f08beec538e775443c5be79dd423fcabahrens * datasets, == physical space used by fs + snaps
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Administrative quota setting */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Administrative reservation setting */
ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks uint64_t dd_deleg_zapobj; /* dataset delegation permissions */
ecd6cf800b63704be73fb264c3f5b6e0dafc068dmarks uint64_t dd_pad[20]; /* pad out to 256 bytes for good measure */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* These are immutable; no lock needed: */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* protected by lock on pool's dp_dirty_dirs list */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* protected by dp_config_rwlock */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Protected by dd_lock */
fa9e4066f08beec538e775443c5be79dd423fcabahrens list_t dd_prop_cbs; /* list of dsl_prop_cb_record_t's */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Accounting */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* reflects any changes to dd_phys->dd_used_bytes made this syncing */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* gross estimate of space used by in-flight tx's */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* amount of space we expect to write; == amount of dirty data */
fa9e4066f08beec538e775443c5be79dd423fcabahrens /* protected by dd_lock; keep at end of struct for better locality */
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockint dsl_dir_open(const char *name, void *tag, dsl_dir_t **, const char **tail);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockint dsl_dir_open_spa(spa_t *spa, const char *name, void *tag, dsl_dir_t **,
fa9e4066f08beec538e775443c5be79dd423fcabahrens const char **tailp);
ea8dc4b6d2251b437950c0056bc626b311c73c27eschrockint dsl_dir_open_obj(dsl_pool_t *dp, uint64_t ddobj,
088f389458728c464569a5506b58070254fa4f7dahrensuint64_t dsl_dir_create_sync(dsl_pool_t *dp, dsl_dir_t *pds,
fa9e4066f08beec538e775443c5be79dd423fcabahrensint dsl_dir_tempreserve_space(dsl_dir_t *dd, uint64_t mem,
a9799022bd90b13722204e80112efaa5bf573099ck uint64_t asize, uint64_t fsize, uint64_t usize, void **tr_cookiep,
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid dsl_dir_tempreserve_clear(void *tr_cookie, dmu_tx_t *tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrensvoid dsl_dir_willuse_space(dsl_dir_t *dd, int64_t space, dmu_tx_t *tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrens int64_t used, int64_t compressed, int64_t uncompressed, dmu_tx_t *tx);
fa9e4066f08beec538e775443c5be79dd423fcabahrensint dsl_dir_set_quota(const char *ddname, uint64_t quota);
fa9e4066f08beec538e775443c5be79dd423fcabahrensint dsl_dir_set_reservation(const char *ddname, uint64_t reservation);
1d452cf5123cb6ac0a013a4dbd4dcceeb0da314dahrensint dsl_dir_rename(dsl_dir_t *dd, const char *newname);
99653d4ee642c6528e88224f12409a5f23060994eschrockint dsl_dir_transfer_possible(dsl_dir_t *sdd, dsl_dir_t *tdd, uint64_t space);
a9799022bd90b13722204e80112efaa5bf573099ckint dsl_dir_set_reservation_check(void *arg1, void *arg2, dmu_tx_t *tx);
15f66a7f2650f57ff45e30a01a5324ad3e96aaa8ek/* internal reserved dir name */
15f66a7f2650f57ff45e30a01a5324ad3e96aaa8ek char *__ds_name = kmem_alloc(MAXNAMELEN + strlen(MOS_DIR_NAME) + 1, \
15f66a7f2650f57ff45e30a01a5324ad3e96aaa8ek kmem_free(__ds_name, MAXNAMELEN + strlen(MOS_DIR_NAME) + 1); \
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif /* _SYS_DSL_DIR_H */