list_node_t lwb_node; /* zilog->zl_lwb_list linkage */
} lwb_t;
+/*
+ * Intent log transaction lists
+ */
+typedef struct itxs {
+ list_t i_sync_list; /* list of synchronous itxs */
+ avl_tree_t i_async_tree; /* tree of foids for async itxs */
+} itxs_t;
+
+typedef struct itxg {
+ kmutex_t itxg_lock; /* lock for this structure */
+ uint64_t itxg_txg; /* txg for this chain */
+ uint64_t itxg_sod; /* total size on disk for this txg */
+ itxs_t *itxg_itxs; /* sync and async itxs */
+} itxg_t;
+
+/* for async nodes we build up an AVL tree of lists of async itxs per file */
+typedef struct itx_async_node {
+ uint64_t ia_foid; /* file object id */
+ list_t ia_list; /* list of async itxs for this foid */
+ avl_node_t ia_node; /* AVL tree linkage */
+} itx_async_node_t;
+
/*
* Vdev flushing: during a zil_commit(), we build up an AVL tree of the vdevs
* we've touched so we know which ones need a write cache flush at the end.
objset_t *zl_os; /* object set we're logging */
zil_get_data_t *zl_get_data; /* callback to get object content */
zio_t *zl_root_zio; /* log writer root zio */
- uint64_t zl_itx_seq; /* next in-core itx sequence number */
uint64_t zl_lr_seq; /* on-disk log record sequence number */
- uint64_t zl_commit_seq; /* committed upto this number */
uint64_t zl_commit_lr_seq; /* last committed on-disk lr seq */
uint64_t zl_destroy_txg; /* txg of last zil_destroy() */
uint64_t zl_replayed_seq[TXG_SIZE]; /* last replayed rec seq */
uint64_t zl_parse_lr_seq; /* highest lr seq on last parse */
uint64_t zl_parse_blk_count; /* number of blocks parsed */
uint64_t zl_parse_lr_count; /* number of log records parsed */
- list_t zl_itx_list; /* in-memory itx list */
+ uint64_t zl_next_batch; /* next batch number */
+ uint64_t zl_com_batch; /* committed batch number */
+ kcondvar_t zl_cv_batch[2]; /* batch condition variables */
+ itxg_t zl_itxg[TXG_SIZE]; /* intent log txg chains */
+ list_t zl_itx_commit_list; /* itx list to be committed */
uint64_t zl_itx_list_sz; /* total size of records on list */
uint64_t zl_cur_used; /* current commit log size used */
- uint64_t zl_prev_used; /* previous commit log size used */
list_t zl_lwb_list; /* in-flight log write list */
kmutex_t zl_vdev_lock; /* protects zl_vdev_tree */
avl_tree_t zl_vdev_tree; /* vdevs to flush in zil_commit() */