diff options
Diffstat (limited to 'libbcachefs/bcachefs_format.h')
| -rw-r--r-- | libbcachefs/bcachefs_format.h | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/libbcachefs/bcachefs_format.h b/libbcachefs/bcachefs_format.h index 6d8397bc..efda901e 100644 --- a/libbcachefs/bcachefs_format.h +++ b/libbcachefs/bcachefs_format.h @@ -73,6 +73,7 @@ #include <asm/types.h> #include <asm/byteorder.h> +#include <linux/kernel.h> #include <linux/uuid.h> #define LE_BITMASK(_bits, name, type, field, offset, end) \ @@ -802,11 +803,6 @@ struct bch_xattr { /* Bucket/allocation information: */ -enum { - BCH_ALLOC_FIELD_READ_TIME = 0, - BCH_ALLOC_FIELD_WRITE_TIME = 1, -}; - struct bch_alloc { struct bch_val v; __u8 fields; @@ -814,6 +810,32 @@ struct bch_alloc { __u8 data[]; } __attribute__((packed, aligned(8))); +#define BCH_ALLOC_FIELDS() \ + x(read_time, 2) \ + x(write_time, 2) \ + x(data_type, 1) \ + x(dirty_sectors, 2) \ + x(cached_sectors, 2) + +enum { +#define x(name, bytes) BCH_ALLOC_FIELD_##name, + BCH_ALLOC_FIELDS() +#undef x + BCH_ALLOC_FIELD_NR +}; + +static const unsigned BCH_ALLOC_FIELD_BYTES[] = { +#define x(name, bytes) [BCH_ALLOC_FIELD_##name] = bytes, + BCH_ALLOC_FIELDS() +#undef x +}; + +#define x(name, bytes) + bytes +static const unsigned BKEY_ALLOC_VAL_U64s_MAX = + DIV_ROUND_UP(offsetof(struct bch_alloc, data) + BCH_ALLOC_FIELDS(), sizeof(u64)); +#undef x + /* Quotas: */ enum quota_types { |