Commit abce30b7 authored by Kent Overstreet's avatar Kent Overstreet Committed by Kent Overstreet
Browse files

bcachefs: BCH_EXTENT_ENTRY_TYPES() 



Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 71c9e0ba

fs/bcachefs/bcachefs_format.h

+14 −10
Original line number Diff line number Diff line
@@ -461,15 +461,19 @@ enum bch_compression_type { 
	BCH_COMPRESSION_NR		= 5,

};



#define BCH_EXTENT_ENTRY_TYPES()		\

	x(ptr,			0)		\

	x(crc32,		1)		\

	x(crc64,		2)		\

	x(crc128,		3)

#define BCH_EXTENT_ENTRY_MAX	4



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 x(f, n) BCH_EXTENT_ENTRY_##f = n,

	BCH_EXTENT_ENTRY_TYPES()

#undef x

};



#define BCH_EXTENT_ENTRY_MAX		4



/* Compressed/uncompressed size are stored biased by 1: */

struct bch_extent_crc32 {

#if defined(__LITTLE_ENDIAN_BITFIELD)
@@ -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 {

fs/bcachefs/extents.h

+5 −8
Original line number Diff line number Diff line
@@ -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();

	}