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zfeature_common.h (259813) zfeature_common.h (260150)
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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39
40typedef enum spa_feature {
41 SPA_FEATURE_NONE = -1,
42 SPA_FEATURE_ASYNC_DESTROY,
43 SPA_FEATURE_EMPTY_BPOBJ,
44 SPA_FEATURE_LZ4_COMPRESS,
45 SPA_FEATURE_MULTI_VDEV_CRASH_DUMP,
46 SPA_FEATURE_SPACEMAP_HISTOGRAM,
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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39
40typedef enum spa_feature {
41 SPA_FEATURE_NONE = -1,
42 SPA_FEATURE_ASYNC_DESTROY,
43 SPA_FEATURE_EMPTY_BPOBJ,
44 SPA_FEATURE_LZ4_COMPRESS,
45 SPA_FEATURE_MULTI_VDEV_CRASH_DUMP,
46 SPA_FEATURE_SPACEMAP_HISTOGRAM,
47 SPA_FEATURE_ENABLED_TXG,
48 SPA_FEATURE_HOLE_BIRTH,
47 SPA_FEATURE_EXTENSIBLE_DATASET,
48 SPA_FEATURES
49} spa_feature_t;
50
49 SPA_FEATURE_EXTENSIBLE_DATASET,
50 SPA_FEATURES
51} spa_feature_t;
52
53#define SPA_FEATURE_DISABLED (-1ULL)
54
51typedef struct zfeature_info {
52 spa_feature_t fi_feature;
53 const char *fi_uname; /* User-facing feature name */
54 const char *fi_guid; /* On-disk feature identifier */
55 const char *fi_desc; /* Feature description */
56 boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */
57 boolean_t fi_mos; /* Is the feature necessary to read the MOS? */
55typedef struct zfeature_info {
56 spa_feature_t fi_feature;
57 const char *fi_uname; /* User-facing feature name */
58 const char *fi_guid; /* On-disk feature identifier */
59 const char *fi_desc; /* Feature description */
60 boolean_t fi_can_readonly; /* Can open pool readonly w/o support? */
61 boolean_t fi_mos; /* Is the feature necessary to read the MOS? */
62 /* Activate this feature at the same time it is enabled */
63 boolean_t fi_activate_on_enable;
58 /* array of dependencies, terminated by SPA_FEATURE_NONE */
59 const spa_feature_t *fi_depends;
60} zfeature_info_t;
61
62typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg);
63
64#define ZFS_FEATURE_DEBUG
65
66extern zfeature_info_t spa_feature_table[SPA_FEATURES];
67
68extern boolean_t zfeature_is_valid_guid(const char *);
69
70extern boolean_t zfeature_is_supported(const char *);
71extern int zfeature_lookup_name(const char *name, spa_feature_t *res);
64 /* array of dependencies, terminated by SPA_FEATURE_NONE */
65 const spa_feature_t *fi_depends;
66} zfeature_info_t;
67
68typedef int (zfeature_func_t)(zfeature_info_t *fi, void *arg);
69
70#define ZFS_FEATURE_DEBUG
71
72extern zfeature_info_t spa_feature_table[SPA_FEATURES];
73
74extern boolean_t zfeature_is_valid_guid(const char *);
75
76extern boolean_t zfeature_is_supported(const char *);
77extern int zfeature_lookup_name(const char *name, spa_feature_t *res);
78extern boolean_t zfeature_depends_on(spa_feature_t fid, spa_feature_t check);
72
73extern void zpool_feature_init(void);
74
75#ifdef __cplusplus
76}
77#endif
78
79#endif /* _ZFEATURE_COMMON_H */
79
80extern void zpool_feature_init(void);
81
82#ifdef __cplusplus
83}
84#endif
85
86#endif /* _ZFEATURE_COMMON_H */