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zfs: com.delphix:embedded_data feature support

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Toomas Soome 2015-04-16 08:23:22 +03:00 • committed by Andrei Borzenkov
parent a1007c6af2
commit 4a7ea4003b
2 changed files with 93 additions and 18 deletions
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27
include/grub/zfs/spa.h
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@ -126,7 +126,7 @@ typedef struct zio_cksum {
* +-------+-------+-------+-------+-------+-------+-------+-------+
* 5 |G| offset3 |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* 6 |BDX|lvl| type | cksum | comp | PSIZE | LSIZE |
* 6 |BDX|lvl| type | cksum |E| comp| PSIZE | LSIZE |
* +-------+-------+-------+-------+-------+-------+-------+-------+
* 7 | padding |
* +-------+-------+-------+-------+-------+-------+-------+-------+
@ -160,7 +160,8 @@ typedef struct zio_cksum {
* G gang block indicator
* B byteorder (endianness)
* D dedup
* X unused
* X encryption
* E blkptr_t contains embedded data
* lvl level of indirection
* type DMU object type
* phys birth txg of block allocation; zero if same as logical birth txg
@ -203,8 +204,8 @@ typedef struct blkptr {
#define BP_SET_LSIZE(bp, x) \
BF64_SET_SB((bp)->blk_prop, 0, 16, SPA_MINBLOCKSHIFT, 1, x)
#define BP_GET_COMPRESS(bp) BF64_GET((bp)->blk_prop, 32, 8)
#define BP_SET_COMPRESS(bp, x) BF64_SET((bp)->blk_prop, 32, 8, x)
#define BP_GET_COMPRESS(bp) BF64_GET((bp)->blk_prop, 32, 7)
#define BP_SET_COMPRESS(bp, x) BF64_SET((bp)->blk_prop, 32, 7, x)
#define BP_GET_CHECKSUM(bp) BF64_GET((bp)->blk_prop, 40, 8)
#define BP_SET_CHECKSUM(bp, x) BF64_SET((bp)->blk_prop, 40, 8, x)
@ -215,6 +216,8 @@ typedef struct blkptr {
#define BP_GET_LEVEL(bp) BF64_GET((bp)->blk_prop, 56, 5)
#define BP_SET_LEVEL(bp, x) BF64_SET((bp)->blk_prop, 56, 5, x)
#define BP_IS_EMBEDDED(bp) BF64_GET((bp)->blk_prop, 39, 1)
#define BP_GET_PROP_BIT_61(bp) BF64_GET((bp)->blk_prop, 61, 1)
#define BP_SET_PROP_BIT_61(bp, x) BF64_SET((bp)->blk_prop, 61, 1, x)
@ -277,6 +280,22 @@ typedef struct blkptr {
(zcp)->zc_word[3] = w3; \
}
#define BPE_GET_ETYPE(bp) BP_GET_CHECKSUM(bp)
#define BPE_GET_LSIZE(bp) \
BF64_GET_SB((bp)->blk_prop, 0, 25, 0, 1)
#define BPE_GET_PSIZE(bp) \
BF64_GET_SB((bp)->blk_prop, 25, 7, 0, 1)
typedef enum bp_embedded_type {
BP_EMBEDDED_TYPE_DATA,
NUM_BP_EMBEDDED_TYPES
} bp_embedded_type_t;
#define BPE_NUM_WORDS 14
#define BPE_PAYLOAD_SIZE (BPE_NUM_WORDS * sizeof(grub_uint64_t))
#define BPE_IS_PAYLOADWORD(bp, wp) \
((wp) != &(bp)->blk_prop && (wp) != &(bp)->blk_birth)
#define BP_IDENTITY(bp) (&(bp)->blk_dva[0])
#define BP_IS_GANG(bp) DVA_GET_GANG(BP_IDENTITY(bp))
#define DVA_IS_EMPTY(dva) ((dva)->dva_word[0] == 0ULL && \