*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013 by Delphix. All rights reserved.
+ * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
*/
#ifndef _SYS_VDEV_IMPL_H
* Forward declarations that lots of things need.
*/
typedef struct vdev_queue vdev_queue_t;
-typedef struct vdev_io vdev_io_t;
typedef struct vdev_cache vdev_cache_t;
typedef struct vdev_cache_entry vdev_cache_entry_t;
struct vdev_cache_entry {
char *ve_data;
uint64_t ve_offset;
- uint64_t ve_lastused;
+ clock_t ve_lastused;
avl_node_t ve_offset_node;
avl_node_t ve_lastused_node;
uint32_t ve_hits;
uint64_t vq_last_offset;
hrtime_t vq_io_complete_ts; /* time last i/o completed */
hrtime_t vq_io_delta_ts;
- list_t vq_io_list;
+ zio_t vq_io_search; /* used as local for stack reduction */
kmutex_t vq_lock;
};
-struct vdev_io {
- char vi_buffer[SPA_MAXBLOCKSIZE]; /* Must be first */
- list_node_t vi_node;
-};
-
/*
* Virtual device descriptor
*/
vdev_t *vdev_parent; /* parent vdev */
vdev_t **vdev_child; /* array of children */
uint64_t vdev_children; /* number of children */
- space_map_t vdev_dtl[DTL_TYPES]; /* in-core dirty time logs */
vdev_stat_t vdev_stat; /* virtual device statistics */
boolean_t vdev_expanding; /* expand the vdev? */
boolean_t vdev_reopening; /* reopen in progress? */
txg_node_t vdev_txg_node; /* per-txg dirty vdev linkage */
boolean_t vdev_remove_wanted; /* async remove wanted? */
boolean_t vdev_probe_wanted; /* async probe wanted? */
- uint64_t vdev_removing; /* device is being removed? */
list_node_t vdev_config_dirty_node; /* config dirty list */
list_node_t vdev_state_dirty_node; /* state dirty list */
uint64_t vdev_deflate_ratio; /* deflation ratio (x512) */
uint64_t vdev_islog; /* is an intent log device */
- uint64_t vdev_ishole; /* is a hole in the namespace */
+ uint64_t vdev_removing; /* device is being removed? */
+ boolean_t vdev_ishole; /* is a hole in the namespace */
/*
* Leaf vdev state.
*/
- uint64_t vdev_psize; /* physical device capacity */
- space_map_obj_t vdev_dtl_smo; /* dirty time log space map obj */
+ range_tree_t *vdev_dtl[DTL_TYPES]; /* dirty time logs */
+ space_map_t *vdev_dtl_sm; /* dirty time log space map */
txg_node_t vdev_dtl_node; /* per-txg dirty DTL linkage */
+ uint64_t vdev_dtl_object; /* DTL object */
+ uint64_t vdev_psize; /* physical device capacity */
uint64_t vdev_wholedisk; /* true if this is a whole disk */
uint64_t vdev_offline; /* persistent offline state */
uint64_t vdev_faulted; /* persistent faulted state */
char *vdev_fru; /* physical FRU location */
uint64_t vdev_not_present; /* not present during import */
uint64_t vdev_unspare; /* unspare when resilvering done */
- hrtime_t vdev_last_try; /* last reopen time */
boolean_t vdev_nowritecache; /* true if flushwritecache failed */
boolean_t vdev_checkremove; /* temporary online test */
boolean_t vdev_forcefault; /* force online fault */
boolean_t vdev_splitting; /* split or repair in progress */
boolean_t vdev_delayed_close; /* delayed device close? */
- uint8_t vdev_tmpoffline; /* device taken offline temporarily? */
- uint8_t vdev_detached; /* device detached? */
- uint8_t vdev_cant_read; /* vdev is failing all reads */
- uint8_t vdev_cant_write; /* vdev is failing all writes */
- uint64_t vdev_isspare; /* was a hot spare */
- uint64_t vdev_isl2cache; /* was a l2cache device */
+ boolean_t vdev_tmpoffline; /* device taken offline temporarily? */
+ boolean_t vdev_detached; /* device detached? */
+ boolean_t vdev_cant_read; /* vdev is failing all reads */
+ boolean_t vdev_cant_write; /* vdev is failing all writes */
+ boolean_t vdev_isspare; /* was a hot spare */
+ boolean_t vdev_isl2cache; /* was a l2cache device */
vdev_queue_t vdev_queue; /* I/O deadline schedule queue */
vdev_cache_t vdev_cache; /* physical block cache */
spa_aux_vdev_t *vdev_aux; /* for l2cache vdevs */
#define VDEV_PHYS_SIZE (112 << 10)
#define VDEV_UBERBLOCK_RING (128 << 10)
+/* The largest uberblock we support is 8k. */
+#define MAX_UBERBLOCK_SHIFT (13)
#define VDEV_UBERBLOCK_SHIFT(vd) \
- MAX((vd)->vdev_top->vdev_ashift, UBERBLOCK_SHIFT)
+ MIN(MAX((vd)->vdev_top->vdev_ashift, UBERBLOCK_SHIFT), \
+ MAX_UBERBLOCK_SHIFT)
#define VDEV_UBERBLOCK_COUNT(vd) \
(VDEV_UBERBLOCK_RING >> VDEV_UBERBLOCK_SHIFT(vd))
#define VDEV_UBERBLOCK_OFFSET(vd, n) \
extern void vdev_load_log_state(vdev_t *nvd, vdev_t *ovd);
extern boolean_t vdev_log_state_valid(vdev_t *vd);
extern void vdev_load(vdev_t *vd);
+extern int vdev_dtl_load(vdev_t *vd);
extern void vdev_sync(vdev_t *vd, uint64_t txg);
extern void vdev_sync_done(vdev_t *vd, uint64_t txg);
extern void vdev_dirty(vdev_t *vd, int flags, void *arg, uint64_t txg);
+extern void vdev_dirty_leaves(vdev_t *vd, int flags, uint64_t txg);
/*
* Available vdev types.
projects / mirror_zfs-debian.git / blobdiff