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btrfs-progs: sb-mod: add remaining superblock integer items 

Add support for changing all integer items in the superblock. Sort them
in the order of defintion in the structure.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-07-04 02:37:04 +02:00
parent 5ab79b808a
commit 7797f03924
1 changed files with 45 additions and 15 deletions
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46
btrfs-sb-mod.c
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@ -119,17 +119,32 @@ struct sb_field {
const char *name; const char *name;
enum field_type type; enum field_type type;
} known_fields[] = { } known_fields[] = {
{ .name = "total_bytes", .type = TYPE_U64 }, { .name = "bytenr", .type = TYPE_U64 },
{ .name = "root", .type = TYPE_U64 }, { .name = "flags", .type = TYPE_U64 },
{ .name = "magic", .type = TYPE_U64 },
{ .name = "generation", .type = TYPE_U64 }, { .name = "generation", .type = TYPE_U64 },
{ .name = "root", .type = TYPE_U64 },
{ .name = "chunk_root", .type = TYPE_U64 }, { .name = "chunk_root", .type = TYPE_U64 },
{ .name = "log_root", .type = TYPE_U64 },
{ .name = "log_root_transid", .type = TYPE_U64 },
{ .name = "total_bytes", .type = TYPE_U64 },
{ .name = "bytes_used", .type = TYPE_U64 },
{ .name = "root_dir_objectid", .type = TYPE_U64 },
{ .name = "num_devices", .type = TYPE_U64 },
{ .name = "sectorsize", .type = TYPE_U32 },
{ .name = "nodesize", .type = TYPE_U32 },
{ .name = "stripesize", .type = TYPE_U32 },
{ .name = "sys_chunk_array_size", .type = TYPE_U32 },
{ .name = "chunk_root_generation", .type = TYPE_U64 }, { .name = "chunk_root_generation", .type = TYPE_U64 },
{ .name = "cache_generation", .type = TYPE_U64 },
{ .name = "uuid_tree_generation", .type = TYPE_U64 },
{ .name = "compat_flags", .type = TYPE_U64 }, { .name = "compat_flags", .type = TYPE_U64 },
{ .name = "compat_ro_flags", .type = TYPE_U64 }, { .name = "compat_ro_flags", .type = TYPE_U64 },
{ .name = "incompat_flags", .type = TYPE_U64 }, { .name = "incompat_flags", .type = TYPE_U64 },
{ .name = "csum_type", .type = TYPE_U16 }, { .name = "csum_type", .type = TYPE_U16 },
{ .name = "root_level", .type = TYPE_U8 },
{ .name = "chunk_root_level", .type = TYPE_U8 },
{ .name = "log_root_level", .type = TYPE_U8 },
{ .name = "cache_generation", .type = TYPE_U64 },
{ .name = "uuid_tree_generation", .type = TYPE_U64 },
}; };
#define MOD_FIELD_XX(fname, set, val, bits, f_dec, f_hex, f_type) \ #define MOD_FIELD_XX(fname, set, val, bits, f_dec, f_hex, f_type) \
@ -167,17 +182,32 @@ static void mod_field_by_name(struct btrfs_super_block *sb, int set, const char
u64 *val) u64 *val)
{ {
if (0) { } if (0) { }
MOD_FIELD(total_bytes, set, val) MOD_FIELD(bytenr, set, val)
MOD_FIELD(root, set, val) MOD_FIELD(flags, set, val)
MOD_FIELD(magic, set, val)
MOD_FIELD(generation, set, val) MOD_FIELD(generation, set, val)
MOD_FIELD(root, set, val)
MOD_FIELD(chunk_root, set, val) MOD_FIELD(chunk_root, set, val)
MOD_FIELD(log_root, set, val)
MOD_FIELD(log_root_transid, set, val)
MOD_FIELD(total_bytes, set, val)
MOD_FIELD(bytes_used, set, val)
MOD_FIELD(root_dir_objectid, set, val)
MOD_FIELD(num_devices, set, val)
MOD_FIELD32(sectorsize, set, val)
MOD_FIELD32(nodesize, set, val)
MOD_FIELD32(stripesize, set, val)
MOD_FIELD32(sys_chunk_array_size, set, val)
MOD_FIELD(chunk_root_generation, set, val) MOD_FIELD(chunk_root_generation, set, val)
MOD_FIELD(cache_generation, set, val)
MOD_FIELD(uuid_tree_generation, set, val)
MOD_FIELD(compat_flags, set, val) MOD_FIELD(compat_flags, set, val)
MOD_FIELD(compat_ro_flags, set, val) MOD_FIELD(compat_ro_flags, set, val)
MOD_FIELD(incompat_flags, set, val) MOD_FIELD(incompat_flags, set, val)
MOD_FIELD16(csum_type, set, val) MOD_FIELD16(csum_type, set, val)
MOD_FIELD8(root_level, set, val)
MOD_FIELD8(chunk_root_level, set, val)
MOD_FIELD8(log_root_level, set, val)
MOD_FIELD(cache_generation, set, val)
MOD_FIELD(uuid_tree_generation, set, val)
else { else {
printf("ERROR: unhandled field: %s\n", name); printf("ERROR: unhandled field: %s\n", name);
exit(1); exit(1);