mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-26 10:49:33 +00:00
Code Issues Releases Wiki Activity

bcachefs: BCH_EXTENT_ENTRY_TYPES()

Browse source 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2018-09-30 18:39:20 -04:00 committed by Kent Overstreet
parent 71c9e0ba42
commit abce30b79b
2 changed files with 20 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
fs/bcachefs/bcachefs_format.h
View file

@ -461,14 +461,18 @@ enum bch_compression_type {
BCH_COMPRESSION_NR = 5,
};
enum bch_extent_entry_type {
BCH_EXTENT_ENTRY_ptr = 0,
BCH_EXTENT_ENTRY_crc32 = 1,
BCH_EXTENT_ENTRY_crc64 = 2,
BCH_EXTENT_ENTRY_crc128 = 3,
};
#define BCH_EXTENT_ENTRY_TYPES() \
x(ptr, 0) \
x(crc32, 1) \
x(crc64, 2) \
x(crc128, 3)
#define BCH_EXTENT_ENTRY_MAX 4
#define BCH_EXTENT_ENTRY_MAX 4
enum bch_extent_entry_type {
#define x(f, n) BCH_EXTENT_ENTRY_##f = n,
BCH_EXTENT_ENTRY_TYPES()
#undef x
};
/* Compressed/uncompressed size are stored biased by 1: */
struct bch_extent_crc32 {
@ -594,10 +598,10 @@ union bch_extent_entry {
#else
#error edit for your odd byteorder.
#endif
struct bch_extent_crc32 crc32;
struct bch_extent_crc64 crc64;
struct bch_extent_crc128 crc128;
struct bch_extent_ptr ptr;
#define x(f, n) struct bch_extent_##f f;
BCH_EXTENT_ENTRY_TYPES()
#undef x
};
enum {

13
fs/bcachefs/extents.h
View file

@ -162,14 +162,11 @@ extent_entry_type(const union bch_extent_entry *e)
static inline size_t extent_entry_bytes(const union bch_extent_entry *entry)
{
switch (extent_entry_type(entry)) {
case BCH_EXTENT_ENTRY_crc32:
return sizeof(struct bch_extent_crc32);
case BCH_EXTENT_ENTRY_crc64:
return sizeof(struct bch_extent_crc64);
case BCH_EXTENT_ENTRY_crc128:
return sizeof(struct bch_extent_crc128);
case BCH_EXTENT_ENTRY_ptr:
return sizeof(struct bch_extent_ptr);
#define x(f, n) \
case BCH_EXTENT_ENTRY_##f: \
return sizeof(struct bch_extent_##f);
BCH_EXTENT_ENTRY_TYPES()
#undef x
default:
BUG();
}