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DLPX-40252 integrate EP-476 compressed zfs send/receive

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Authored by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Tom Caputi <tcaputi@datto.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported by: David Quigley <david.quigley@intel.com>
Issue #5078
This commit is contained in:
Dan Kimmel
2016-07-11 13:45:52 -04:00
committed by Brian Behlendorf
parent d3c2ae1c08
commit 2aa34383b9
24 changed files with 1062 additions and 550 deletions
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include/sys/arc.h
+17 -3
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@@ -142,11 +142,17 @@ typedef enum arc_flags
} arc_flags_t;
typedef enum arc_buf_flags {
ARC_BUF_FLAG_SHARED = 1 << 0,
ARC_BUF_FLAG_COMPRESSED = 1 << 1
} arc_buf_flags_t;
struct arc_buf {
arc_buf_hdr_t *b_hdr;
arc_buf_t *b_next;
kmutex_t b_evict_lock;
void *b_data;
arc_buf_flags_t b_prop_flags;
};
typedef enum arc_buf_contents {
@@ -201,14 +207,22 @@ typedef struct arc_buf_info {
void arc_space_consume(uint64_t space, arc_space_type_t type);
void arc_space_return(uint64_t space, arc_space_type_t type);
arc_buf_t *arc_alloc_buf(spa_t *spa, int32_t size, void *tag,
arc_buf_contents_t type);
arc_buf_t *arc_loan_buf(spa_t *spa, uint64_t size);
boolean_t arc_is_metadata(arc_buf_t *buf);
enum zio_compress arc_get_compression(arc_buf_t *buf);
int arc_decompress(arc_buf_t *buf);
arc_buf_t *arc_alloc_buf(spa_t *spa, void *tag, arc_buf_contents_t type,
int32_t size);
arc_buf_t *arc_alloc_compressed_buf(spa_t *spa, void *tag,
uint64_t psize, uint64_t lsize, enum zio_compress compression_type);
arc_buf_t *arc_loan_buf(spa_t *spa, boolean_t is_metadata, int size);
arc_buf_t *arc_loan_compressed_buf(spa_t *spa, uint64_t psize, uint64_t lsize,
enum zio_compress compression_type);
void arc_return_buf(arc_buf_t *buf, void *tag);
void arc_loan_inuse_buf(arc_buf_t *buf, void *tag);
void arc_buf_destroy(arc_buf_t *buf, void *tag);
void arc_buf_info(arc_buf_t *buf, arc_buf_info_t *abi, int state_index);
uint64_t arc_buf_size(arc_buf_t *buf);
uint64_t arc_buf_lsize(arc_buf_t *buf);
void arc_release(arc_buf_t *buf, void *tag);
int arc_released(arc_buf_t *buf);
void arc_buf_sigsegv(int sig, siginfo_t *si, void *unused);