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dsl_dataset.c (321535) dsl_dataset.c (321545)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

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13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

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13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
21/*
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Portions Copyright (c) 2011 Martin Matuska <mm@FreeBSD.org>
24 * Copyright (c) 2011, 2016 by Delphix. All rights reserved.
25 * Copyright (c) 2014, Joyent, Inc. All rights reserved.
26 * Copyright (c) 2014 RackTop Systems.
27 * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
28 * Copyright (c) 2014 Integros [integros.com]
29 * Copyright 2016, OmniTI Computer Consulting, Inc. All rights reserved.
22/*
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Portions Copyright (c) 2011 Martin Matuska <mm@FreeBSD.org>
25 * Copyright (c) 2011, 2016 by Delphix. All rights reserved.
26 * Copyright (c) 2014, Joyent, Inc. All rights reserved.
27 * Copyright (c) 2014 RackTop Systems.
28 * Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
29 * Copyright (c) 2014 Integros [integros.com]
30 * Copyright 2016, OmniTI Computer Consulting, Inc. All rights reserved.
31 * Copyright 2017 Nexenta Systems, Inc.
30 */
31
32#include <sys/dmu_objset.h>
33#include <sys/dsl_dataset.h>
34#include <sys/dsl_dir.h>
35#include <sys/dsl_prop.h>
36#include <sys/dsl_synctask.h>
37#include <sys/dmu_traverse.h>

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359 return (err);
360}
361
362int
363dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, uint64_t *value)
364{
365 objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset;
366 uint64_t snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj;
32 */
33
34#include <sys/dmu_objset.h>
35#include <sys/dsl_dataset.h>
36#include <sys/dsl_dir.h>
37#include <sys/dsl_prop.h>
38#include <sys/dsl_synctask.h>
39#include <sys/dmu_traverse.h>

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361 return (err);
362}
363
364int
365dsl_dataset_snap_lookup(dsl_dataset_t *ds, const char *name, uint64_t *value)
366{
367 objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset;
368 uint64_t snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj;
367 matchtype_t mt;
369 matchtype_t mt = 0;
368 int err;
369
370 if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET)
370 int err;
371
372 if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET)
371 mt = MT_FIRST;
372 else
373 mt = MT_EXACT;
373 mt = MT_NORMALIZE;
374
375 err = zap_lookup_norm(mos, snapobj, name, 8, 1,
376 value, mt, NULL, 0, NULL);
374
375 err = zap_lookup_norm(mos, snapobj, name, 8, 1,
376 value, mt, NULL, 0, NULL);
377 if (err == ENOTSUP && mt == MT_FIRST)
377 if (err == ENOTSUP && (mt & MT_NORMALIZE))
378 err = zap_lookup(mos, snapobj, name, 8, 1, value);
379 return (err);
380}
381
382int
383dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx,
384 boolean_t adj_cnt)
385{
386 objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset;
387 uint64_t snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj;
378 err = zap_lookup(mos, snapobj, name, 8, 1, value);
379 return (err);
380}
381
382int
383dsl_dataset_snap_remove(dsl_dataset_t *ds, const char *name, dmu_tx_t *tx,
384 boolean_t adj_cnt)
385{
386 objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset;
387 uint64_t snapobj = dsl_dataset_phys(ds)->ds_snapnames_zapobj;
388 matchtype_t mt;
388 matchtype_t mt = 0;
389 int err;
390
391 dsl_dir_snap_cmtime_update(ds->ds_dir);
392
393 if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET)
389 int err;
390
391 dsl_dir_snap_cmtime_update(ds->ds_dir);
392
393 if (dsl_dataset_phys(ds)->ds_flags & DS_FLAG_CI_DATASET)
394 mt = MT_FIRST;
395 else
396 mt = MT_EXACT;
394 mt = MT_NORMALIZE;
397
398 err = zap_remove_norm(mos, snapobj, name, mt, tx);
395
396 err = zap_remove_norm(mos, snapobj, name, mt, tx);
399 if (err == ENOTSUP && mt == MT_FIRST)
397 if (err == ENOTSUP && (mt & MT_NORMALIZE))
400 err = zap_remove(mos, snapobj, name, tx);
401
402 if (err == 0 && adj_cnt)
403 dsl_fs_ss_count_adjust(ds->ds_dir, -1,
404 DD_FIELD_SNAPSHOT_COUNT, tx);
405
406 return (err);
407}

--- 3351 unchanged lines hidden --- 		398 err = zap_remove(mos, snapobj, name, tx);
399
400 if (err == 0 && adj_cnt)
401 dsl_fs_ss_count_adjust(ds->ds_dir, -1,
402 DD_FIELD_SNAPSHOT_COUNT, tx);
403
404 return (err);
405}

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