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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
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/zfs_ioctl.h
+17 -6
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@@ -96,20 +96,21 @@ typedef enum drr_headertype {
#define DMU_BACKUP_FEATURE_SA_SPILL (1 << 2)
/* flags #3 - #15 are reserved for incompatible closed-source implementations */
#define DMU_BACKUP_FEATURE_EMBED_DATA (1 << 16)
#define DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 (1 << 17)
#define DMU_BACKUP_FEATURE_LZ4 (1 << 17)
/* flag #18 is reserved for a Delphix feature */
#define DMU_BACKUP_FEATURE_LARGE_BLOCKS (1 << 19)
#define DMU_BACKUP_FEATURE_RESUMING (1 << 20)
#define DMU_BACKUP_FEATURE_LARGE_DNODE (1 << 21)
#define DMU_BACKUP_FEATURE_COMPRESSED (1 << 22)
/*
* Mask of all supported backup features
*/
#define DMU_BACKUP_FEATURE_MASK (DMU_BACKUP_FEATURE_DEDUP | \
DMU_BACKUP_FEATURE_DEDUPPROPS | DMU_BACKUP_FEATURE_SA_SPILL | \
DMU_BACKUP_FEATURE_EMBED_DATA | DMU_BACKUP_FEATURE_EMBED_DATA_LZ4 | \
DMU_BACKUP_FEATURE_EMBED_DATA | DMU_BACKUP_FEATURE_LZ4 | \
DMU_BACKUP_FEATURE_RESUMING | DMU_BACKUP_FEATURE_LARGE_BLOCKS | \
DMU_BACKUP_FEATURE_LARGE_DNODE)
DMU_BACKUP_FEATURE_COMPRESSED | DMU_BACKUP_FEATURE_LARGE_DNODE)
/* Are all features in the given flag word currently supported? */
#define DMU_STREAM_SUPPORTED(x) (!((x) & ~DMU_BACKUP_FEATURE_MASK))
@@ -162,6 +163,12 @@ typedef enum dmu_send_resume_token_version {
#define DRR_IS_DEDUP_CAPABLE(flags) ((flags) & DRR_CHECKSUM_DEDUP)
/* deal with compressed drr_write replay records */
#define DRR_WRITE_COMPRESSED(drrw) ((drrw)->drr_compressiontype != 0)
#define DRR_WRITE_PAYLOAD_SIZE(drrw) \
(DRR_WRITE_COMPRESSED(drrw) ? (drrw)->drr_compressed_size : \
(drrw)->drr_logical_size)
/*
* zfs ioctl command structure
*/
@@ -210,12 +217,16 @@ typedef struct dmu_replay_record {
dmu_object_type_t drr_type;
uint32_t drr_pad;
uint64_t drr_offset;
uint64_t drr_length;
uint64_t drr_logical_size;
uint64_t drr_toguid;
uint8_t drr_checksumtype;
uint8_t drr_checksumflags;
uint8_t drr_pad2[6];
ddt_key_t drr_key; /* deduplication key */
uint8_t drr_compressiontype;
uint8_t drr_pad2[5];
/* deduplication key */
ddt_key_t drr_key;
/* only nonzero if drr_compressiontype is not 0 */
uint64_t drr_compressed_size;
/* content follows */
} drr_write;
struct drr_free {