X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=module%2Fzfs%2Finclude%2Fsys%2Fvdev.h;h=941f234dc68fe5bfe3117d1d275c0d5099e8639f;hb=428870ff734fdaccc342b33fc53cf94724409a46;hp=c070d6f3d623d1b1f93c18475ccaeb6ab9e577cd;hpb=172bb4bd5e4afef721dd4d2972d8680d983f144b;p=zfs.git

diff --git a/module/zfs/include/sys/vdev.h b/module/zfs/include/sys/vdev.h
index c070d6f..941f234 100644
--- a/module/zfs/include/sys/vdev.h
+++ b/module/zfs/include/sys/vdev.h
@@ -19,8 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 #ifndef _SYS_VDEV_H
@@ -36,13 +35,22 @@
 extern "C" {
 #endif
 
+typedef enum vdev_dtl_type {
+	DTL_MISSING,	/* 0% replication: no copies of the data */
+	DTL_PARTIAL,	/* less than 100% replication: some copies missing */
+	DTL_SCRUB,	/* unable to fully repair during scrub/resilver */
+	DTL_OUTAGE,	/* temporarily missing (used to attempt detach) */
+	DTL_TYPES
+} vdev_dtl_type_t;
+
 extern boolean_t zfs_nocacheflush;
 
 extern int vdev_open(vdev_t *);
+extern void vdev_open_children(vdev_t *);
+extern boolean_t vdev_uses_zvols(vdev_t *);
 extern int vdev_validate(vdev_t *);
 extern void vdev_close(vdev_t *);
 extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace);
-extern void vdev_init(vdev_t *, uint64_t txg);
 extern void vdev_reopen(vdev_t *);
 extern int vdev_validate_aux(vdev_t *vd);
 extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio);
@@ -50,33 +58,42 @@ extern zio_t *vdev_probe(vdev_t *vd, zio_t *pio);
 extern boolean_t vdev_is_bootable(vdev_t *vd);
 extern vdev_t *vdev_lookup_top(spa_t *spa, uint64_t vdev);
 extern vdev_t *vdev_lookup_by_guid(vdev_t *vd, uint64_t guid);
-extern void vdev_dtl_dirty(space_map_t *sm, uint64_t txg, uint64_t size);
-extern int vdev_dtl_contains(space_map_t *sm, uint64_t txg, uint64_t size);
+extern void vdev_dtl_dirty(vdev_t *vd, vdev_dtl_type_t d,
+    uint64_t txg, uint64_t size);
+extern boolean_t vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t d,
+    uint64_t txg, uint64_t size);
+extern boolean_t vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t d);
 extern void vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg,
     int scrub_done);
+extern boolean_t vdev_dtl_required(vdev_t *vd);
 extern boolean_t vdev_resilver_needed(vdev_t *vd,
     uint64_t *minp, uint64_t *maxp);
 
+extern void vdev_hold(vdev_t *);
+extern void vdev_rele(vdev_t *);
+
 extern int vdev_metaslab_init(vdev_t *vd, uint64_t txg);
 extern void vdev_metaslab_fini(vdev_t *vd);
+extern void vdev_metaslab_set_size(vdev_t *);
+extern void vdev_expand(vdev_t *vd, uint64_t txg);
+extern void vdev_split(vdev_t *vd);
+
 
 extern void vdev_get_stats(vdev_t *vd, vdev_stat_t *vs);
 extern void vdev_clear_stats(vdev_t *vd);
 extern void vdev_stat_update(zio_t *zio, uint64_t psize);
-extern void vdev_scrub_stat_update(vdev_t *vd, pool_scrub_type_t type,
-    boolean_t complete);
-extern int vdev_getspec(spa_t *spa, uint64_t vdev, char **vdev_spec);
+extern void vdev_scan_stat_init(vdev_t *vd);
 extern void vdev_propagate_state(vdev_t *vd);
 extern void vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state,
     vdev_aux_t aux);
 
-extern void vdev_space_update(vdev_t *vd, int64_t space_delta,
-    int64_t alloc_delta, boolean_t update_root);
+extern void vdev_space_update(vdev_t *vd,
+    int64_t alloc_delta, int64_t defer_delta, int64_t space_delta);
 
 extern uint64_t vdev_psize_to_asize(vdev_t *vd, uint64_t psize);
 
-extern int vdev_fault(spa_t *spa, uint64_t guid);
-extern int vdev_degrade(spa_t *spa, uint64_t guid);
+extern int vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux);
+extern int vdev_degrade(spa_t *spa, uint64_t guid, vdev_aux_t aux);
 extern int vdev_online(spa_t *spa, uint64_t guid, uint64_t flags,
     vdev_state_t *);
 extern int vdev_offline(spa_t *spa, uint64_t guid, uint64_t flags);
@@ -101,13 +118,21 @@ extern void vdev_queue_io_done(zio_t *zio);
 
 extern void vdev_config_dirty(vdev_t *vd);
 extern void vdev_config_clean(vdev_t *vd);
-extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg);
+extern int vdev_config_sync(vdev_t **svd, int svdcount, uint64_t txg,
+    boolean_t);
 
 extern void vdev_state_dirty(vdev_t *vd);
 extern void vdev_state_clean(vdev_t *vd);
 
+typedef enum vdev_config_flag {
+	VDEV_CONFIG_SPARE = 1 << 0,
+	VDEV_CONFIG_L2CACHE = 1 << 1,
+	VDEV_CONFIG_REMOVING = 1 << 2
+} vdev_config_flag_t;
+
+extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config);
 extern nvlist_t *vdev_config_generate(spa_t *spa, vdev_t *vd,
-    boolean_t getstats, boolean_t isspare, boolean_t isl2cache);
+    boolean_t getstats, vdev_config_flag_t flags);
 
 /*
  * Label routines
@@ -123,7 +148,8 @@ typedef enum {
 	VDEV_LABEL_REPLACE,	/* replace an existing device */
 	VDEV_LABEL_SPARE,	/* add a new hot spare */
 	VDEV_LABEL_REMOVE,	/* remove an existing device */
-	VDEV_LABEL_L2CACHE	/* add an L2ARC cache device */
+	VDEV_LABEL_L2CACHE,	/* add an L2ARC cache device */
+	VDEV_LABEL_SPLIT	/* generating new label for split-off dev */
 } vdev_labeltype_t;
 
 extern int vdev_label_init(vdev_t *vd, uint64_t txg, vdev_labeltype_t reason);