diff options
Diffstat (limited to 'usr/src/uts/common/fs/zfs/sys')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/spa.h | 6 | ||||
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/spa_impl.h | 16 | ||||
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/vdev.h | 9 | ||||
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/vdev_impl.h | 1 | ||||
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/vdev_removal.h | 2 | ||||
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/zio.h | 11 | ||||
| -rw-r--r-- | usr/src/uts/common/fs/zfs/sys/zthr.h | 52 |
7 files changed, 92 insertions, 5 deletions
diff --git a/usr/src/uts/common/fs/zfs/sys/spa.h b/usr/src/uts/common/fs/zfs/sys/spa.h index aff251b80e..d6d48ddfbf 100644 --- a/usr/src/uts/common/fs/zfs/sys/spa.h +++ b/usr/src/uts/common/fs/zfs/sys/spa.h @@ -322,6 +322,7 @@ typedef enum bp_embedded_type { #define SPA_BLKPTRSHIFT 7 /* blkptr_t is 128 bytes */ #define SPA_DVAS_PER_BP 3 /* Number of DVAs in a bp */ +#define SPA_SYNC_MIN_VDEVS 3 /* min vdevs to update during sync */ /* * A block is a hole when it has either 1) never been written to, or @@ -836,11 +837,16 @@ extern boolean_t spa_writeable(spa_t *spa); extern boolean_t spa_has_pending_synctask(spa_t *spa); extern int spa_maxblocksize(spa_t *spa); extern void zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp); +extern boolean_t zfs_dva_valid(spa_t *spa, const dva_t *dva, + const blkptr_t *bp); typedef void (*spa_remap_cb_t)(uint64_t vdev, uint64_t offset, uint64_t size, void *arg); extern boolean_t spa_remap_blkptr(spa_t *spa, blkptr_t *bp, spa_remap_cb_t callback, void *arg); extern uint64_t spa_get_last_removal_txg(spa_t *spa); +extern boolean_t spa_trust_config(spa_t *spa); +extern uint64_t spa_missing_tvds_allowed(spa_t *spa); +extern void spa_set_missing_tvds(spa_t *spa, uint64_t missing); extern int spa_mode(spa_t *spa); extern uint64_t zfs_strtonum(const char *str, char **nptr); diff --git a/usr/src/uts/common/fs/zfs/sys/spa_impl.h b/usr/src/uts/common/fs/zfs/sys/spa_impl.h index 955568c05b..1e440a6767 100644 --- a/usr/src/uts/common/fs/zfs/sys/spa_impl.h +++ b/usr/src/uts/common/fs/zfs/sys/spa_impl.h @@ -43,6 +43,7 @@ #include <sys/bplist.h> #include <sys/bpobj.h> #include <sys/zfeature.h> +#include <sys/zthr.h> #include <zfeature_common.h> #ifdef __cplusplus @@ -181,6 +182,15 @@ typedef enum spa_all_vdev_zap_action { AVZ_ACTION_INITIALIZE } spa_avz_action_t; +typedef enum spa_config_source { + SPA_CONFIG_SRC_NONE = 0, + SPA_CONFIG_SRC_SCAN, /* scan of path (default: /dev/dsk) */ + SPA_CONFIG_SRC_CACHEFILE, /* any cachefile */ + SPA_CONFIG_SRC_TRYIMPORT, /* returned from call to tryimport */ + SPA_CONFIG_SRC_SPLIT, /* new pool in a pool split */ + SPA_CONFIG_SRC_MOS /* MOS, but not always from right txg */ +} spa_config_source_t; + struct spa { /* * Fields protected by spa_namespace_lock. @@ -199,6 +209,8 @@ struct spa { uint8_t spa_sync_on; /* sync threads are running */ spa_load_state_t spa_load_state; /* current load operation */ boolean_t spa_indirect_vdevs_loaded; /* mappings loaded? */ + boolean_t spa_trust_config; /* do we trust vdev tree? */ + spa_config_source_t spa_config_source; /* where config comes from? */ uint64_t spa_import_flags; /* import specific flags */ spa_taskqs_t spa_zio_taskq[ZIO_TYPES][ZIO_TASKQ_TYPES]; dsl_pool_t *spa_dsl_pool; @@ -259,13 +271,15 @@ struct spa { int spa_async_suspended; /* async tasks suspended */ kcondvar_t spa_async_cv; /* wait for thread_exit() */ uint16_t spa_async_tasks; /* async task mask */ + uint64_t spa_missing_tvds; /* unopenable tvds on load */ + uint64_t spa_missing_tvds_allowed; /* allow loading spa? */ spa_removing_phys_t spa_removing_phys; spa_vdev_removal_t *spa_vdev_removal; spa_condensing_indirect_phys_t spa_condensing_indirect_phys; spa_condensing_indirect_t *spa_condensing_indirect; - kthread_t *spa_condense_thread; /* thread doing condense. */ + zthr_t *spa_condense_zthr; /* zthr doing condense. */ char *spa_root; /* alternate root directory */ uint64_t spa_ena; /* spa-wide ereport ENA */ diff --git a/usr/src/uts/common/fs/zfs/sys/vdev.h b/usr/src/uts/common/fs/zfs/sys/vdev.h index 1297590eb3..91d4db62f9 100644 --- a/usr/src/uts/common/fs/zfs/sys/vdev.h +++ b/usr/src/uts/common/fs/zfs/sys/vdev.h @@ -48,10 +48,13 @@ typedef enum vdev_dtl_type { extern boolean_t zfs_nocacheflush; extern void vdev_dbgmsg(vdev_t *vd, const char *fmt, ...); +extern void vdev_dbgmsg_print_tree(vdev_t *, int); 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 *, boolean_t); +extern int vdev_validate(vdev_t *); +extern int vdev_copy_path_strict(vdev_t *, vdev_t *); +extern void vdev_copy_path_relaxed(vdev_t *, vdev_t *); extern void vdev_close(vdev_t *); extern int vdev_create(vdev_t *, uint64_t txg, boolean_t isreplace); extern void vdev_reopen(vdev_t *); @@ -99,6 +102,7 @@ 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 boolean_t vdev_children_are_offline(vdev_t *vd); extern void vdev_space_update(vdev_t *vd, int64_t alloc_delta, int64_t defer_delta, int64_t space_delta); @@ -140,7 +144,8 @@ typedef enum vdev_config_flag { VDEV_CONFIG_SPARE = 1 << 0, VDEV_CONFIG_L2CACHE = 1 << 1, VDEV_CONFIG_REMOVING = 1 << 2, - VDEV_CONFIG_MOS = 1 << 3 + VDEV_CONFIG_MOS = 1 << 3, + VDEV_CONFIG_MISSING = 1 << 4 } vdev_config_flag_t; extern void vdev_top_config_generate(spa_t *spa, nvlist_t *config); diff --git a/usr/src/uts/common/fs/zfs/sys/vdev_impl.h b/usr/src/uts/common/fs/zfs/sys/vdev_impl.h index 12d8df93af..5035e6ab9d 100644 --- a/usr/src/uts/common/fs/zfs/sys/vdev_impl.h +++ b/usr/src/uts/common/fs/zfs/sys/vdev_impl.h @@ -406,7 +406,6 @@ extern void vdev_remove_parent(vdev_t *cvd); /* * vdev sync load and sync */ -extern void vdev_load_log_state(vdev_t *nvd, vdev_t *ovd); extern boolean_t vdev_log_state_valid(vdev_t *vd); extern int vdev_load(vdev_t *vd); extern int vdev_dtl_load(vdev_t *vd); diff --git a/usr/src/uts/common/fs/zfs/sys/vdev_removal.h b/usr/src/uts/common/fs/zfs/sys/vdev_removal.h index 5b1e3056be..45cf4d8ec5 100644 --- a/usr/src/uts/common/fs/zfs/sys/vdev_removal.h +++ b/usr/src/uts/common/fs/zfs/sys/vdev_removal.h @@ -76,7 +76,7 @@ extern int spa_remove_init(spa_t *); extern void spa_restart_removal(spa_t *); extern int spa_condense_init(spa_t *); extern void spa_condense_fini(spa_t *); -extern void spa_condense_indirect_restart(spa_t *); +extern void spa_start_indirect_condensing_thread(spa_t *); extern void spa_vdev_condense_suspend(spa_t *); extern int spa_vdev_remove(spa_t *, uint64_t, boolean_t); extern void free_from_removing_vdev(vdev_t *, uint64_t, uint64_t, uint64_t); diff --git a/usr/src/uts/common/fs/zfs/sys/zio.h b/usr/src/uts/common/fs/zfs/sys/zio.h index 48121d4c50..828cc2a92b 100644 --- a/usr/src/uts/common/fs/zfs/sys/zio.h +++ b/usr/src/uts/common/fs/zfs/sys/zio.h @@ -208,6 +208,9 @@ enum zio_flag { (((zio)->io_flags & ZIO_FLAG_VDEV_INHERIT) | \ ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_CANFAIL) +#define ZIO_CHILD_BIT(x) (1 << (x)) +#define ZIO_CHILD_BIT_IS_SET(val, x) ((val) & (1 << (x))) + enum zio_child { ZIO_CHILD_VDEV = 0, ZIO_CHILD_GANG, @@ -216,6 +219,14 @@ enum zio_child { ZIO_CHILD_TYPES }; +#define ZIO_CHILD_VDEV_BIT ZIO_CHILD_BIT(ZIO_CHILD_VDEV) +#define ZIO_CHILD_GANG_BIT ZIO_CHILD_BIT(ZIO_CHILD_GANG) +#define ZIO_CHILD_DDT_BIT ZIO_CHILD_BIT(ZIO_CHILD_DDT) +#define ZIO_CHILD_LOGICAL_BIT ZIO_CHILD_BIT(ZIO_CHILD_LOGICAL) +#define ZIO_CHILD_ALL_BITS \ + (ZIO_CHILD_VDEV_BIT | ZIO_CHILD_GANG_BIT | \ + ZIO_CHILD_DDT_BIT | ZIO_CHILD_LOGICAL_BIT) + enum zio_wait_type { ZIO_WAIT_READY = 0, ZIO_WAIT_DONE, diff --git a/usr/src/uts/common/fs/zfs/sys/zthr.h b/usr/src/uts/common/fs/zfs/sys/zthr.h new file mode 100644 index 0000000000..6bfb6b6c0d --- /dev/null +++ b/usr/src/uts/common/fs/zfs/sys/zthr.h @@ -0,0 +1,52 @@ +/* + * CDDL HEADER START + * + * This file and its contents are supplied under the terms of the + * Common Development and Distribution License ("CDDL"), version 1.0. + * You may only use this file in accordance with the terms of version + * 1.0 of the CDDL. + * + * A full copy of the text of the CDDL should have accompanied this + * source. A copy of the CDDL is also available via the Internet at + * http://www.illumos.org/license/CDDL. + * + * CDDL HEADER END + */ + + +/* + * Copyright (c) 2017 by Delphix. All rights reserved. + */ + +#ifndef _SYS_ZTHR_H +#define _SYS_ZTHR_H + +typedef struct zthr zthr_t; +typedef int (zthr_func_t)(void *, zthr_t *); +typedef boolean_t (zthr_checkfunc_t)(void *, zthr_t *); + +struct zthr { + kthread_t *zthr_thread; + kmutex_t zthr_lock; + kcondvar_t zthr_cv; + boolean_t zthr_cancel; + + zthr_checkfunc_t *zthr_checkfunc; + zthr_func_t *zthr_func; + void *zthr_arg; + int zthr_rc; +}; + +extern zthr_t *zthr_create(zthr_checkfunc_t checkfunc, + zthr_func_t *func, void *arg); +extern void zthr_exit(zthr_t *t, int rc); +extern void zthr_destroy(zthr_t *t); + +extern void zthr_wakeup(zthr_t *t); +extern int zthr_cancel(zthr_t *t); +extern void zthr_resume(zthr_t *t); + +extern boolean_t zthr_iscancelled(zthr_t *t); +extern boolean_t zthr_isrunning(zthr_t *t); + +#endif /* _SYS_ZTHR_H */ |