btrfs-progs: refactor feature table initializations to C99-style
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
parent
c1fdf2f20d
commit
6d2bf4cbce
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@ -28,8 +28,15 @@
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*
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* Only used in make_btrfs_v2().
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*/
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#define VERSION_TO_STRING3(a,b,c) #a "." #b "." #c, KERNEL_VERSION(a,b,c)
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#define VERSION_TO_STRING2(a,b) #a "." #b, KERNEL_VERSION(a,b,0)
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#define VERSION_TO_STRING3(name, a,b,c) \
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.name ## _str = #a "." #b "." #c, \
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.name ## _ver = KERNEL_VERSION(a,b,c)
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#define VERSION_TO_STRING2(name, a,b) \
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.name ## _str = #a "." #b, \
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.name ## _ver = KERNEL_VERSION(a,b,0)
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#define VERSION_NULL(name) \
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.name ## _str = NULL, \
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.name ## _ver = 0
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enum feature_source {
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FS_FEATURES,
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@ -65,66 +72,106 @@ struct btrfs_feature {
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};
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static const struct btrfs_feature mkfs_features[] = {
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{ "mixed-bg", BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS,
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"mixed_groups",
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VERSION_TO_STRING3(2,6,37),
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VERSION_TO_STRING3(2,6,37),
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NULL, 0,
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"mixed data and metadata block groups" },
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{ "extref", BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF,
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"extended_iref",
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VERSION_TO_STRING2(3,7),
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VERSION_TO_STRING2(3,12),
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VERSION_TO_STRING2(3,12),
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"increased hardlink limit per file to 65536" },
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{ "raid56", BTRFS_FEATURE_INCOMPAT_RAID56,
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"raid56",
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VERSION_TO_STRING2(3,9),
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NULL, 0,
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NULL, 0,
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"raid56 extended format" },
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{ "skinny-metadata", BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA,
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"skinny_metadata",
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VERSION_TO_STRING2(3,10),
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VERSION_TO_STRING2(3,18),
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VERSION_TO_STRING2(3,18),
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"reduced-size metadata extent refs" },
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{ "no-holes", BTRFS_FEATURE_INCOMPAT_NO_HOLES,
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"no_holes",
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VERSION_TO_STRING2(3,14),
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VERSION_TO_STRING2(4,0),
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NULL, 0,
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"no explicit hole extents for files" },
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{ "raid1c34", BTRFS_FEATURE_INCOMPAT_RAID1C34,
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"raid1c34",
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VERSION_TO_STRING2(5,5),
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NULL, 0,
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NULL, 0,
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"RAID1 with 3 or 4 copies" },
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{
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.name = "mixed-bg",
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.flag = BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS,
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.sysfs_name = "mixed_groups",
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VERSION_TO_STRING3(compat, 2,6,37),
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VERSION_TO_STRING3(safe, 2,6,37),
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VERSION_NULL(default),
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.desc = "mixed data and metadata block groups"
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}, {
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.name = "extref",
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.flag = BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF,
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.sysfs_name = "extended_iref",
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VERSION_TO_STRING2(compat, 3,7),
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VERSION_TO_STRING2(safe, 3,12),
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VERSION_TO_STRING2(default, 3,12),
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.desc = "increased hardlink limit per file to 65536"
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}, {
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.name = "raid56",
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.flag = BTRFS_FEATURE_INCOMPAT_RAID56,
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.sysfs_name = "raid56",
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VERSION_TO_STRING2(compat, 3,9),
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VERSION_NULL(safe),
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VERSION_NULL(default),
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.desc = "raid56 extended format"
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}, {
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.name = "skinny-metadata",
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.flag = BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA,
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.sysfs_name = "skinny_metadata",
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VERSION_TO_STRING2(compat, 3,10),
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VERSION_TO_STRING2(safe, 3,18),
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VERSION_TO_STRING2(default, 3,18),
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.desc = "reduced-size metadata extent refs"
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}, {
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.name = "no-holes",
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.flag = BTRFS_FEATURE_INCOMPAT_NO_HOLES,
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.sysfs_name = "no_holes",
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VERSION_TO_STRING2(compat, 3,14),
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VERSION_TO_STRING2(safe, 4,0),
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VERSION_NULL(default),
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.desc = "no explicit hole extents for files"
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}, {
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.name = "raid1c34",
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.flag = BTRFS_FEATURE_INCOMPAT_RAID1C34,
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.sysfs_name = "raid1c34",
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VERSION_TO_STRING2(compat, 5,5),
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VERSION_NULL(safe),
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VERSION_NULL(default),
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.desc = "RAID1 with 3 or 4 copies"
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},
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#ifdef BTRFS_ZONED
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{ "zoned", BTRFS_FEATURE_INCOMPAT_ZONED,
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"zoned",
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VERSION_TO_STRING2(5,12),
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NULL, 0,
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NULL, 0,
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"support zoned devices" },
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{
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.name = "zoned",
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.flag = BTRFS_FEATURE_INCOMPAT_ZONED,
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.sysfs_name = "zoned",
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VERSION_TO_STRING2(compat, 5,12),
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VERSION_NULL(safe),
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VERSION_NULL(default),
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.desc = "support zoned devices"
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},
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#endif
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/* Keep this one last */
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{ "list-all", BTRFS_FEATURE_LIST_ALL, NULL }
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{
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.name = "list-all",
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.flag = BTRFS_FEATURE_LIST_ALL,
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.sysfs_name = NULL,
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VERSION_NULL(compat),
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VERSION_NULL(safe),
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VERSION_NULL(default),
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.desc = NULL
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}
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};
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static const struct btrfs_feature runtime_features[] = {
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{ "quota", BTRFS_RUNTIME_FEATURE_QUOTA, NULL,
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VERSION_TO_STRING2(3, 4), NULL, 0, NULL, 0,
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"quota support (qgroups)" },
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{ "free-space-tree", BTRFS_RUNTIME_FEATURE_FREE_SPACE_TREE,
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"free_space_tree",
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VERSION_TO_STRING2(4, 5),
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VERSION_TO_STRING2(4, 9),
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NULL, 0,
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"free space tree (space_cache=v2)" },
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{
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.name = "quota",
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.flag = BTRFS_RUNTIME_FEATURE_QUOTA,
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.sysfs_name = NULL,
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VERSION_TO_STRING2(compat, 3,4),
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VERSION_NULL(safe),
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VERSION_NULL(default),
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.desc = "quota support (qgroups)"
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}, {
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.name = "free-space-tree",
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.flag = BTRFS_RUNTIME_FEATURE_FREE_SPACE_TREE,
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.sysfs_name = "free_space_tree",
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VERSION_TO_STRING2(compat, 4,5),
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VERSION_TO_STRING2(safe, 4,9),
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VERSION_NULL(default),
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.desc = "free space tree (space_cache=v2)"
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},
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/* Keep this one last */
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{ "list-all", BTRFS_FEATURE_LIST_ALL, NULL }
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{
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.name = "list-all",
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.flag = BTRFS_FEATURE_LIST_ALL,
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.sysfs_name = NULL,
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VERSION_NULL(compat),
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VERSION_NULL(safe),
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VERSION_NULL(default),
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.desc = NULL
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}
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};
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static size_t get_feature_array_size(enum feature_source source)
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