*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2017 by Delphix. All rights reserved.
*/
/* Portions Copyright 2010 Robert Milkowski */
#include <sys/spa.h>
#include <sys/zio.h>
#include <sys/dmu.h>
+#include <sys/zio_crypt.h>
#ifdef __cplusplus
extern "C" {
#endif
+struct dsl_pool;
+struct dsl_dataset;
+struct lwb;
+
/*
* Intent log format:
*
} zil_chain_t;
#define ZIL_MIN_BLKSZ 4096ULL
-#define ZIL_MAX_BLKSZ SPA_MAXBLOCKSIZE
+
+/*
+ * ziltest is by and large an ugly hack, but very useful in
+ * checking replay without tedious work.
+ * When running ziltest we want to keep all itx's and so maintain
+ * a single list in the zl_itxg[] that uses a high txg: ZILTEST_TXG
+ * We subtract TXG_CONCURRENT_STATES to allow for common code.
+ */
+#define ZILTEST_TXG (UINT64_MAX - TXG_CONCURRENT_STATES)
/*
* The words of a log block checksum.
/*
* Intent log transaction types and record structures
*/
+#define TX_COMMIT 0 /* Commit marker (no on-disk state) */
#define TX_CREATE 1 /* Create file */
#define TX_MKDIR 2 /* Make directory */
#define TX_MKXATTR 3 /* Make XATTR directory */
(txtype) == TX_ACL || \
(txtype) == TX_WRITE2)
+/*
+ * The number of dnode slots consumed by the object is stored in the 8
+ * unused upper bits of the object ID. We subtract 1 from the value
+ * stored on disk for compatibility with implementations that don't
+ * support large dnodes. The slot count for a single-slot dnode will
+ * contain 0 for those bits to preserve the log record format for
+ * "small" dnodes.
+ */
+#define LR_FOID_GET_SLOTS(oid) (BF64_GET((oid), 56, 8) + 1)
+#define LR_FOID_SET_SLOTS(oid, x) BF64_SET((oid), 56, 8, (x) - 1)
+#define LR_FOID_GET_OBJ(oid) BF64_GET((oid), 0, DN_MAX_OBJECT_SHIFT)
+#define LR_FOID_SET_OBJ(oid, x) BF64_SET((oid), 0, DN_MAX_OBJECT_SHIFT, (x))
+
/*
* Format of log records.
* The fields are carefully defined to allow them to be aligned
* information needed for replaying the create. If the
* file doesn't have any actual ACEs then the lr_aclcnt
* would be zero.
+ *
+ * After lr_acl_flags, there are a lr_acl_bytes number of variable sized ace's.
+ * If create is also setting xvattr's, then acl data follows xvattr.
+ * If ACE FUIDs are needed then they will follow the xvattr_t. Following
+ * the FUIDs will be the domain table information. The FUIDs for the owner
+ * and group will be in lr_create. Name follows ACL data.
*/
typedef struct {
lr_create_t lr_create; /* common create portion */
uint64_t lr_fuidcnt; /* number of real fuids */
uint64_t lr_acl_bytes; /* number of bytes in ACL */
uint64_t lr_acl_flags; /* ACL flags */
- /* lr_acl_bytes number of variable sized ace's follows */
- /* if create is also setting xvattr's, then acl data follows xvattr */
- /* if ACE FUIDs are needed then they will follow the xvattr_t */
- /* Following the FUIDs will be the domain table information. */
- /* The FUIDs for the owner and group will be in the lr_create */
- /* portion of the record. */
- /* name follows ACL data */
} lr_acl_create_t;
typedef struct {
* - the write occupies only one block
* WR_COPIED:
* If we know we'll immediately be committing the
- * transaction (FSYNC or FDSYNC), the we allocate a larger
+ * transaction (FSYNC or FDSYNC), then we allocate a larger
* log record here for the data and copy the data in.
* WR_NEED_COPY:
* Otherwise we don't allocate a buffer, and *if* we need to
WR_NUM_STATES /* number of states */
} itx_wr_state_t;
+typedef void (*zil_callback_t)(void *data);
+
typedef struct itx {
list_node_t itx_node; /* linkage on zl_itx_list */
void *itx_private; /* type-specific opaque data */
itx_wr_state_t itx_wr_state; /* write state */
uint8_t itx_sync; /* synchronous transaction */
- uint64_t itx_sod; /* record size on disk */
+ zil_callback_t itx_callback; /* Called when the itx is persistent */
+ void *itx_callback_data; /* User data for the callback */
+ size_t itx_size; /* allocated itx structure size */
uint64_t itx_oid; /* object id */
lr_t itx_lr; /* common part of log record */
/* followed by type-specific part of lr_xx_t and its immediate data */
extern zil_stats_t zil_stats;
-#define ZIL_STAT_INCR(stat, val) \
+#define ZIL_STAT_INCR(stat, val) \
atomic_add_64(&zil_stats.stat.value.ui64, (val));
-#define ZIL_STAT_BUMP(stat) \
+#define ZIL_STAT_BUMP(stat) \
ZIL_STAT_INCR(stat, 1);
typedef int zil_parse_blk_func_t(zilog_t *zilog, blkptr_t *bp, void *arg,
uint64_t txg);
typedef int zil_parse_lr_func_t(zilog_t *zilog, lr_t *lr, void *arg,
uint64_t txg);
-typedef int (*const zil_replay_func_t)(void *, char *, boolean_t);
-typedef int zil_get_data_t(void *arg, lr_write_t *lr, char *dbuf, zio_t *zio);
+typedef int zil_replay_func_t(void *arg1, void *arg2, boolean_t byteswap);
+typedef int zil_get_data_t(void *arg, lr_write_t *lr, char *dbuf,
+ struct lwb *lwb, zio_t *zio);
extern int zil_parse(zilog_t *zilog, zil_parse_blk_func_t *parse_blk_func,
- zil_parse_lr_func_t *parse_lr_func, void *arg, uint64_t txg);
+ zil_parse_lr_func_t *parse_lr_func, void *arg, uint64_t txg,
+ boolean_t decrypt);
extern void zil_init(void);
extern void zil_fini(void);
extern void zil_close(zilog_t *zilog);
extern void zil_replay(objset_t *os, void *arg,
- zil_replay_func_t replay_func[TX_MAX_TYPE]);
+ zil_replay_func_t *replay_func[TX_MAX_TYPE]);
extern boolean_t zil_replaying(zilog_t *zilog, dmu_tx_t *tx);
extern void zil_destroy(zilog_t *zilog, boolean_t keep_first);
extern void zil_destroy_sync(zilog_t *zilog, dmu_tx_t *tx);
-extern void zil_rollback_destroy(zilog_t *zilog, dmu_tx_t *tx);
extern itx_t *zil_itx_create(uint64_t txtype, size_t lrsize);
extern void zil_itx_destroy(itx_t *itx);
extern void zil_itx_assign(zilog_t *zilog, itx_t *itx, dmu_tx_t *tx);
extern void zil_commit(zilog_t *zilog, uint64_t oid);
+extern void zil_commit_impl(zilog_t *zilog, uint64_t oid);
-extern int zil_vdev_offline(const char *osname, void *txarg);
-extern int zil_claim(const char *osname, void *txarg);
-extern int zil_check_log_chain(const char *osname, void *txarg);
+extern int zil_reset(const char *osname, void *txarg);
+extern int zil_claim(struct dsl_pool *dp,
+ struct dsl_dataset *ds, void *txarg);
+extern int zil_check_log_chain(struct dsl_pool *dp,
+ struct dsl_dataset *ds, void *tx);
extern void zil_sync(zilog_t *zilog, dmu_tx_t *tx);
extern void zil_clean(zilog_t *zilog, uint64_t synced_txg);
-extern int zil_suspend(zilog_t *zilog);
-extern void zil_resume(zilog_t *zilog);
+extern int zil_suspend(const char *osname, void **cookiep);
+extern void zil_resume(void *cookie);
-extern void zil_add_block(zilog_t *zilog, const blkptr_t *bp);
+extern void zil_lwb_add_block(struct lwb *lwb, const blkptr_t *bp);
+extern void zil_lwb_add_txg(struct lwb *lwb, uint64_t txg);
extern int zil_bp_tree_add(zilog_t *zilog, const blkptr_t *bp);
extern void zil_set_sync(zilog_t *zilog, uint64_t syncval);
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