X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=include%2Fsys%2Fdsl_dataset.h;h=547951cd01786ca804d51a3a167004c1a1a87d2f;hb=a94addd9749e8272664a2476460e75829626a465;hp=22733d070e8bb96138f83cbde6d653602f053b54;hpb=6283f55ea1b91e680386388c17d14b89e344fa8d;p=zfs.git

diff --git a/include/sys/dsl_dataset.h b/include/sys/dsl_dataset.h
index 22733d0..547951c 100644
--- a/include/sys/dsl_dataset.h
+++ b/include/sys/dsl_dataset.h
@@ -20,6 +20,8 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
  */
 
 #ifndef	_SYS_DSL_DATASET_H
@@ -84,7 +86,12 @@ typedef struct dsl_dataset_phys {
 	uint64_t ds_creation_time;	/* seconds since 1970 */
 	uint64_t ds_creation_txg;
 	uint64_t ds_deadlist_obj;	/* DMU_OT_DEADLIST */
-	uint64_t ds_used_bytes;
+	/*
+	 * ds_referenced_bytes, ds_compressed_bytes, and ds_uncompressed_bytes
+	 * include all blocks referenced by this dataset, including those
+	 * shared with any other datasets.
+	 */
+	uint64_t ds_referenced_bytes;
 	uint64_t ds_compressed_bytes;
 	uint64_t ds_uncompressed_bytes;
 	uint64_t ds_unique_bytes;	/* only relevant to snapshots */
@@ -149,6 +156,9 @@ typedef struct dsl_dataset {
 	uint64_t ds_reserved;	/* cached refreservation */
 	uint64_t ds_quota;	/* cached refquota */
 
+	kmutex_t ds_sendstream_lock;
+	list_t ds_sendstreams;
+
 	/* Protected by ds_lock; keep at end of struct for better locality */
 	char ds_snapname[MAXNAMELEN];
 } dsl_dataset_t;
@@ -249,6 +259,11 @@ void dsl_dataset_space(dsl_dataset_t *ds,
     uint64_t *refdbytesp, uint64_t *availbytesp,
     uint64_t *usedobjsp, uint64_t *availobjsp);
 uint64_t dsl_dataset_fsid_guid(dsl_dataset_t *ds);
+int dsl_dataset_space_written(dsl_dataset_t *oldsnap, dsl_dataset_t *new,
+    uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
+int dsl_dataset_space_wouldfree(dsl_dataset_t *firstsnap, dsl_dataset_t *last,
+    uint64_t *usedp, uint64_t *compp, uint64_t *uncompp);
+boolean_t dsl_dataset_is_dirty(dsl_dataset_t *ds);
 
 int dsl_dsobj_to_dsname(char *pname, uint64_t obj, char *buf);
 
@@ -266,7 +281,7 @@ int dsl_destroy_inconsistent(const char *dsname, void *arg);
 #ifdef ZFS_DEBUG
 #define	dprintf_ds(ds, fmt, ...) do { \
 	if (zfs_flags & ZFS_DEBUG_DPRINTF) { \
-	char *__ds_name = kmem_alloc(MAXNAMELEN, KM_SLEEP); \
+	char *__ds_name = kmem_alloc(MAXNAMELEN, KM_PUSHPAGE); \
 	dsl_dataset_name(ds, __ds_name); \
 	dprintf("ds=%s " fmt, __ds_name, __VA_ARGS__); \
 	kmem_free(__ds_name, MAXNAMELEN); \