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btrfs-progs: sb-mod: add remaining dev_item members 

Add helpers and all remaining members of the device item embedded in the
superblock. No UUID types.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2020-10-19 20:55:59 +02:00
parent 8de6816b47
commit bd017ce732
1 changed files with 31 additions and 0 deletions
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31
btrfs-sb-mod.c
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@ -141,6 +141,17 @@ struct sb_field {
{ .name = "uuid_tree_generation", .type = TYPE_U64 },
/* Device item members */
{ .name = "dev_item.devid", .type = TYPE_U64 },
{ .name = "dev_item.total_bytes", .type = TYPE_U64 },
{ .name = "dev_item.bytes_used", .type = TYPE_U64 },
{ .name = "dev_item.io_align", .type = TYPE_U32 },
{ .name = "dev_item.io_width", .type = TYPE_U32 },
{ .name = "dev_item.sector_size", .type = TYPE_U32 },
{ .name = "dev_item.type", .type = TYPE_U64 },
{ .name = "dev_item.generation", .type = TYPE_U64 },
{ .name = "dev_item.start_offset", .type = TYPE_U64 },
{ .name = "dev_item.dev_group", .type = TYPE_U32 },
{ .name = "dev_item.seek_speed", .type = TYPE_U8 },
{ .name = "dev_item.bandwidth", .type = TYPE_U8 },
};
#define MOD_FIELD_XX(fname, set, val, bits, f_dec, f_hex, f_type) \
@ -191,6 +202,15 @@ struct sb_field {
#define MOD_FIELD8(fname, set, val) \
MOD_FIELD_XX(fname, set, val, 8, "%hhu", "%hhx", unsigned char)
#define MOD_DEV_FIELD32(fname, set, val) \
MOD_DEV_FIELD_XX(fname, set, val, 32, "%u", "%x", unsigned int)
#define MOD_DEV_FIELD16(fname, set, val) \
MOD_DEV_FIELD_XX(fname, set, val, 16, "%hu", "%hx", unsigned short int)
#define MOD_DEV_FIELD8(fname, set, val) \
MOD_DEV_FIELD_XX(fname, set, val, 8, "%hhu", "%hhx", unsigned char)
static void mod_field_by_name(struct btrfs_super_block *sb, int set, const char *name,
u64 *val)
{
@ -222,6 +242,17 @@ static void mod_field_by_name(struct btrfs_super_block *sb, int set, const char
MOD_FIELD(cache_generation, set, val)
MOD_FIELD(uuid_tree_generation, set, val)
MOD_DEV_FIELD(devid, set, val)
MOD_DEV_FIELD(total_bytes, set, val)
MOD_DEV_FIELD(bytes_used, set, val)
MOD_DEV_FIELD32(io_align, set, val)
MOD_DEV_FIELD32(io_width, set, val)
MOD_DEV_FIELD32(sector_size, set, val)
MOD_DEV_FIELD(type, set, val)
MOD_DEV_FIELD(generation, set, val)
MOD_DEV_FIELD(start_offset, set, val)
MOD_DEV_FIELD32(dev_group, set, val)
MOD_DEV_FIELD8(seek_speed, set, val)
MOD_DEV_FIELD8(bandwidth, set, val)
else {
printf("ERROR: unhandled field: %s\n", name);
exit(1);