bcachefs_format.h (0bc166ff564f9e2b0bfc7a0c1a92472a600f901d) bcachefs_format.h (1dd7f9d98de0740b42f1ac3f0b1d8af9c76801de)
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_FORMAT_H
3#define _BCACHEFS_FORMAT_H
4
5/*
6 * bcachefs on disk data structures
7 *
8 * OVERVIEW:

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904#define BCH_SB_FIELDS() \
905 x(journal, 0) \
906 x(members, 1) \
907 x(crypt, 2) \
908 x(replicas_v0, 3) \
909 x(quota, 4) \
910 x(disk_groups, 5) \
911 x(clean, 6) \
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_FORMAT_H
3#define _BCACHEFS_FORMAT_H
4
5/*
6 * bcachefs on disk data structures
7 *
8 * OVERVIEW:

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904#define BCH_SB_FIELDS() \
905 x(journal, 0) \
906 x(members, 1) \
907 x(crypt, 2) \
908 x(replicas_v0, 3) \
909 x(quota, 4) \
910 x(disk_groups, 5) \
911 x(clean, 6) \
912 x(replicas, 7)
912 x(replicas, 7) \
913 x(journal_seq_blacklist, 8)
913
914enum bch_sb_field_type {
915#define x(f, nr) BCH_SB_FIELD_##f = nr,
916 BCH_SB_FIELDS()
917#undef x
918 BCH_SB_FIELD_NR
919};
920

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1119 __le64 journal_seq;
1120
1121 union {
1122 struct jset_entry start[0];
1123 __u64 _data[0];
1124 };
1125};
1126
914
915enum bch_sb_field_type {
916#define x(f, nr) BCH_SB_FIELD_##f = nr,
917 BCH_SB_FIELDS()
918#undef x
919 BCH_SB_FIELD_NR
920};
921

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1120 __le64 journal_seq;
1121
1122 union {
1123 struct jset_entry start[0];
1124 __u64 _data[0];
1125 };
1126};
1127
1128struct journal_seq_blacklist_entry {
1129 __le64 start;
1130 __le64 end;
1131};
1132
1133struct bch_sb_field_journal_seq_blacklist {
1134 struct bch_sb_field field;
1135
1136 union {
1137 struct journal_seq_blacklist_entry start[0];
1138 __u64 _data[0];
1139 };
1140};
1141
1127/* Superblock: */
1128
1129/*
1130 * New versioning scheme:
1131 * One common version number for all on disk data structures - superblock, btree
1132 * nodes, journal entries
1133 */
1134#define BCH_JSET_VERSION_OLD 2

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1274
1275/* Features: */
1276enum bch_sb_features {
1277 BCH_FEATURE_LZ4 = 0,
1278 BCH_FEATURE_GZIP = 1,
1279 BCH_FEATURE_ZSTD = 2,
1280 BCH_FEATURE_ATOMIC_NLINK = 3, /* should have gone under compat */
1281 BCH_FEATURE_EC = 4,
1142/* Superblock: */
1143
1144/*
1145 * New versioning scheme:
1146 * One common version number for all on disk data structures - superblock, btree
1147 * nodes, journal entries
1148 */
1149#define BCH_JSET_VERSION_OLD 2

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1289
1290/* Features: */
1291enum bch_sb_features {
1292 BCH_FEATURE_LZ4 = 0,
1293 BCH_FEATURE_GZIP = 1,
1294 BCH_FEATURE_ZSTD = 2,
1295 BCH_FEATURE_ATOMIC_NLINK = 3, /* should have gone under compat */
1296 BCH_FEATURE_EC = 4,
1297 BCH_FEATURE_JOURNAL_SEQ_BLACKLIST_V3 = 5,
1282 BCH_FEATURE_NR,
1283};
1284
1285enum bch_sb_compat {
1286 BCH_COMPAT_FEAT_ALLOC_INFO = 0,
1287};
1288
1289/* options: */

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1299};
1300
1301enum bch_sb_compat {
1302 BCH_COMPAT_FEAT_ALLOC_INFO = 0,
1303};
1304
1305/* options: */

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