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dmu.c (226620) dmu.c (236884)
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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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/*
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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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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/*
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2012 by Delphix. All rights reserved.
23 */
24
25#include <sys/dmu.h>
26#include <sys/dmu_impl.h>
27#include <sys/dmu_tx.h>
28#include <sys/dbuf.h>
29#include <sys/dnode.h>
30#include <sys/zfs_context.h>

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40#include <sys/zap.h>
41#include <sys/zio_checksum.h>
42#include <sys/sa.h>
43#ifdef _KERNEL
44#include <sys/zfs_znode.h>
45#endif
46
47const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES] = {
24 */
25
26#include <sys/dmu.h>
27#include <sys/dmu_impl.h>
28#include <sys/dmu_tx.h>
29#include <sys/dbuf.h>
30#include <sys/dnode.h>
31#include <sys/zfs_context.h>

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41#include <sys/zap.h>
42#include <sys/zio_checksum.h>
43#include <sys/sa.h>
44#ifdef _KERNEL
45#include <sys/zfs_znode.h>
46#endif
47
48const dmu_object_type_info_t dmu_ot[DMU_OT_NUMTYPES] = {
48 { byteswap_uint8_array, TRUE, "unallocated" },
49 { zap_byteswap, TRUE, "object directory" },
50 { byteswap_uint64_array, TRUE, "object array" },
51 { byteswap_uint8_array, TRUE, "packed nvlist" },
52 { byteswap_uint64_array, TRUE, "packed nvlist size" },
53 { byteswap_uint64_array, TRUE, "bpobj" },
54 { byteswap_uint64_array, TRUE, "bpobj header" },
55 { byteswap_uint64_array, TRUE, "SPA space map header" },
56 { byteswap_uint64_array, TRUE, "SPA space map" },
57 { byteswap_uint64_array, TRUE, "ZIL intent log" },
58 { dnode_buf_byteswap, TRUE, "DMU dnode" },
59 { dmu_objset_byteswap, TRUE, "DMU objset" },
60 { byteswap_uint64_array, TRUE, "DSL directory" },
61 { zap_byteswap, TRUE, "DSL directory child map"},
62 { zap_byteswap, TRUE, "DSL dataset snap map" },
63 { zap_byteswap, TRUE, "DSL props" },
64 { byteswap_uint64_array, TRUE, "DSL dataset" },
65 { zfs_znode_byteswap, TRUE, "ZFS znode" },
66 { zfs_oldacl_byteswap, TRUE, "ZFS V0 ACL" },
67 { byteswap_uint8_array, FALSE, "ZFS plain file" },
68 { zap_byteswap, TRUE, "ZFS directory" },
69 { zap_byteswap, TRUE, "ZFS master node" },
70 { zap_byteswap, TRUE, "ZFS delete queue" },
71 { byteswap_uint8_array, FALSE, "zvol object" },
72 { zap_byteswap, TRUE, "zvol prop" },
73 { byteswap_uint8_array, FALSE, "other uint8[]" },
74 { byteswap_uint64_array, FALSE, "other uint64[]" },
75 { zap_byteswap, TRUE, "other ZAP" },
76 { zap_byteswap, TRUE, "persistent error log" },
77 { byteswap_uint8_array, TRUE, "SPA history" },
78 { byteswap_uint64_array, TRUE, "SPA history offsets" },
79 { zap_byteswap, TRUE, "Pool properties" },
80 { zap_byteswap, TRUE, "DSL permissions" },
81 { zfs_acl_byteswap, TRUE, "ZFS ACL" },
82 { byteswap_uint8_array, TRUE, "ZFS SYSACL" },
83 { byteswap_uint8_array, TRUE, "FUID table" },
84 { byteswap_uint64_array, TRUE, "FUID table size" },
85 { zap_byteswap, TRUE, "DSL dataset next clones"},
86 { zap_byteswap, TRUE, "scan work queue" },
87 { zap_byteswap, TRUE, "ZFS user/group used" },
88 { zap_byteswap, TRUE, "ZFS user/group quota" },
89 { zap_byteswap, TRUE, "snapshot refcount tags"},
90 { zap_byteswap, TRUE, "DDT ZAP algorithm" },
91 { zap_byteswap, TRUE, "DDT statistics" },
92 { byteswap_uint8_array, TRUE, "System attributes" },
93 { zap_byteswap, TRUE, "SA master node" },
94 { zap_byteswap, TRUE, "SA attr registration" },
95 { zap_byteswap, TRUE, "SA attr layouts" },
96 { zap_byteswap, TRUE, "scan translations" },
97 { byteswap_uint8_array, FALSE, "deduplicated block" },
98 { zap_byteswap, TRUE, "DSL deadlist map" },
99 { byteswap_uint64_array, TRUE, "DSL deadlist map hdr" },
100 { zap_byteswap, TRUE, "DSL dir clones" },
101 { byteswap_uint64_array, TRUE, "bpobj subobj" },
49 { DMU_BSWAP_UINT8, TRUE, "unallocated" },
50 { DMU_BSWAP_ZAP, TRUE, "object directory" },
51 { DMU_BSWAP_UINT64, TRUE, "object array" },
52 { DMU_BSWAP_UINT8, TRUE, "packed nvlist" },
53 { DMU_BSWAP_UINT64, TRUE, "packed nvlist size" },
54 { DMU_BSWAP_UINT64, TRUE, "bpobj" },
55 { DMU_BSWAP_UINT64, TRUE, "bpobj header" },
56 { DMU_BSWAP_UINT64, TRUE, "SPA space map header" },
57 { DMU_BSWAP_UINT64, TRUE, "SPA space map" },
58 { DMU_BSWAP_UINT64, TRUE, "ZIL intent log" },
59 { DMU_BSWAP_DNODE, TRUE, "DMU dnode" },
60 { DMU_BSWAP_OBJSET, TRUE, "DMU objset" },
61 { DMU_BSWAP_UINT64, TRUE, "DSL directory" },
62 { DMU_BSWAP_ZAP, TRUE, "DSL directory child map"},
63 { DMU_BSWAP_ZAP, TRUE, "DSL dataset snap map" },
64 { DMU_BSWAP_ZAP, TRUE, "DSL props" },
65 { DMU_BSWAP_UINT64, TRUE, "DSL dataset" },
66 { DMU_BSWAP_ZNODE, TRUE, "ZFS znode" },
67 { DMU_BSWAP_OLDACL, TRUE, "ZFS V0 ACL" },
68 { DMU_BSWAP_UINT8, FALSE, "ZFS plain file" },
69 { DMU_BSWAP_ZAP, TRUE, "ZFS directory" },
70 { DMU_BSWAP_ZAP, TRUE, "ZFS master node" },
71 { DMU_BSWAP_ZAP, TRUE, "ZFS delete queue" },
72 { DMU_BSWAP_UINT8, FALSE, "zvol object" },
73 { DMU_BSWAP_ZAP, TRUE, "zvol prop" },
74 { DMU_BSWAP_UINT8, FALSE, "other uint8[]" },
75 { DMU_BSWAP_UINT64, FALSE, "other uint64[]" },
76 { DMU_BSWAP_ZAP, TRUE, "other ZAP" },
77 { DMU_BSWAP_ZAP, TRUE, "persistent error log" },
78 { DMU_BSWAP_UINT8, TRUE, "SPA history" },
79 { DMU_BSWAP_UINT64, TRUE, "SPA history offsets" },
80 { DMU_BSWAP_ZAP, TRUE, "Pool properties" },
81 { DMU_BSWAP_ZAP, TRUE, "DSL permissions" },
82 { DMU_BSWAP_ACL, TRUE, "ZFS ACL" },
83 { DMU_BSWAP_UINT8, TRUE, "ZFS SYSACL" },
84 { DMU_BSWAP_UINT8, TRUE, "FUID table" },
85 { DMU_BSWAP_UINT64, TRUE, "FUID table size" },
86 { DMU_BSWAP_ZAP, TRUE, "DSL dataset next clones"},
87 { DMU_BSWAP_ZAP, TRUE, "scan work queue" },
88 { DMU_BSWAP_ZAP, TRUE, "ZFS user/group used" },
89 { DMU_BSWAP_ZAP, TRUE, "ZFS user/group quota" },
90 { DMU_BSWAP_ZAP, TRUE, "snapshot refcount tags"},
91 { DMU_BSWAP_ZAP, TRUE, "DDT ZAP algorithm" },
92 { DMU_BSWAP_ZAP, TRUE, "DDT statistics" },
93 { DMU_BSWAP_UINT8, TRUE, "System attributes" },
94 { DMU_BSWAP_ZAP, TRUE, "SA master node" },
95 { DMU_BSWAP_ZAP, TRUE, "SA attr registration" },
96 { DMU_BSWAP_ZAP, TRUE, "SA attr layouts" },
97 { DMU_BSWAP_ZAP, TRUE, "scan translations" },
98 { DMU_BSWAP_UINT8, FALSE, "deduplicated block" },
99 { DMU_BSWAP_ZAP, TRUE, "DSL deadlist map" },
100 { DMU_BSWAP_UINT64, TRUE, "DSL deadlist map hdr" },
101 { DMU_BSWAP_ZAP, TRUE, "DSL dir clones" },
102 { DMU_BSWAP_UINT64, TRUE, "bpobj subobj" }
102};
103
103};
104
105const dmu_object_byteswap_info_t dmu_ot_byteswap[DMU_BSWAP_NUMFUNCS] = {
106 { byteswap_uint8_array, "uint8" },
107 { byteswap_uint16_array, "uint16" },
108 { byteswap_uint32_array, "uint32" },
109 { byteswap_uint64_array, "uint64" },
110 { zap_byteswap, "zap" },
111 { dnode_buf_byteswap, "dnode" },
112 { dmu_objset_byteswap, "objset" },
113 { zfs_znode_byteswap, "znode" },
114 { zfs_oldacl_byteswap, "oldacl" },
115 { zfs_acl_byteswap, "acl" }
116};
117
104int
105dmu_buf_hold(objset_t *os, uint64_t object, uint64_t offset,
106 void *tag, dmu_buf_t **dbp, int flags)
107{
108 dnode_t *dn;
109 uint64_t blkid;
110 dmu_buf_impl_t *db;
111 int err;

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170{
171 dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake;
172 dnode_t *dn;
173 int error;
174
175 DB_DNODE_ENTER(db);
176 dn = DB_DNODE(db);
177
118int
119dmu_buf_hold(objset_t *os, uint64_t object, uint64_t offset,
120 void *tag, dmu_buf_t **dbp, int flags)
121{
122 dnode_t *dn;
123 uint64_t blkid;
124 dmu_buf_impl_t *db;
125 int err;

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184{
185 dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake;
186 dnode_t *dn;
187 int error;
188
189 DB_DNODE_ENTER(db);
190 dn = DB_DNODE(db);
191
178 if (type > DMU_OT_NUMTYPES) {
192 if (!DMU_OT_IS_VALID(type)) {
179 error = EINVAL;
180 } else if (dn->dn_bonus != db) {
181 error = EINVAL;
182 } else {
183 dnode_setbonus_type(dn, type, tx);
184 error = 0;
185 }
186

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1508SYSCTL_DECL(_vfs_zfs);
1509SYSCTL_INT(_vfs_zfs, OID_AUTO, mdcomp_disable, CTLFLAG_RW,
1510 &zfs_mdcomp_disable, 0, "Disable metadata compression");
1511
1512void
1513dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, zio_prop_t *zp)
1514{
1515 dmu_object_type_t type = dn ? dn->dn_type : DMU_OT_OBJSET;
193 error = EINVAL;
194 } else if (dn->dn_bonus != db) {
195 error = EINVAL;
196 } else {
197 dnode_setbonus_type(dn, type, tx);
198 error = 0;
199 }
200

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1522SYSCTL_DECL(_vfs_zfs);
1523SYSCTL_INT(_vfs_zfs, OID_AUTO, mdcomp_disable, CTLFLAG_RW,
1524 &zfs_mdcomp_disable, 0, "Disable metadata compression");
1525
1526void
1527dmu_write_policy(objset_t *os, dnode_t *dn, int level, int wp, zio_prop_t *zp)
1528{
1529 dmu_object_type_t type = dn ? dn->dn_type : DMU_OT_OBJSET;
1516 boolean_t ismd = (level > 0 || dmu_ot[type].ot_metadata ||
1530 boolean_t ismd = (level > 0 || DMU_OT_IS_METADATA(type) ||
1517 (wp & WP_SPILL));
1518 enum zio_checksum checksum = os->os_checksum;
1519 enum zio_compress compress = os->os_compress;
1520 enum zio_checksum dedup_checksum = os->os_dedup_checksum;
1521 boolean_t dedup;
1522 boolean_t dedup_verify = os->os_dedup_verify;
1523 int copies = os->os_copies;
1524

--- 250 unchanged lines hidden --- 		1531 (wp & WP_SPILL));
1532 enum zio_checksum checksum = os->os_checksum;
1533 enum zio_compress compress = os->os_compress;
1534 enum zio_checksum dedup_checksum = os->os_dedup_checksum;
1535 boolean_t dedup;
1536 boolean_t dedup_verify = os->os_dedup_verify;
1537 int copies = os->os_copies;
1538

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