diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/sys/dsl_scan.h | 31 | ||||
| -rw-r--r-- | include/sys/fs/zfs.h | 4 | ||||
| -rw-r--r-- | include/sys/vdev_impl.h | 4 | ||||
| -rw-r--r-- | include/sys/zfs_debug.h | 3 |
4 files changed, 37 insertions, 5 deletions
diff --git a/include/sys/dsl_scan.h b/include/sys/dsl_scan.h index aae8c312a..bf8c5ac82 100644 --- a/include/sys/dsl_scan.h +++ b/include/sys/dsl_scan.h @@ -72,11 +72,42 @@ typedef enum dsl_scan_flags { DSF_VISIT_DS_AGAIN = 1<<0, } dsl_scan_flags_t; +/* + * Every pool will have one dsl_scan_t and this structure will contain + * in-memory information about the scan and a pointer to the on-disk + * representation (i.e. dsl_scan_phys_t). Most of the state of the scan + * is contained on-disk to allow the scan to resume in the event of a reboot + * or panic. This structure maintains information about the behavior of a + * running scan, some caching information, and how it should traverse the pool. + * + * The following members of this structure direct the behavior of the scan: + * + * scn_pausing - a scan that cannot be completed in a single txg or + * has exceeded its allotted time will need to pause. + * When this flag is set the scanner will stop traversing + * the pool and write out the current state to disk. + * + * scn_restart_txg - directs the scanner to either restart or start a + * a scan at the specified txg value. + * + * scn_done_txg - when a scan completes its traversal it will set + * the completion txg to the next txg. This is necessary + * to ensure that any blocks that were freed during + * the scan but have not yet been processed (i.e deferred + * frees) are accounted for. + * + * This structure also maintains information about deferred frees which are + * a special kind of traversal. Deferred free can exist in either a bptree or + * a bpobj structure. The scn_is_bptree flag will indicate the type of + * deferred free that is in progress. If the deferred free is part of an + * asynchronous destroy then the scn_async_destroying flag will be set. + */ typedef struct dsl_scan { struct dsl_pool *scn_dp; boolean_t scn_pausing; uint64_t scn_restart_txg; + uint64_t scn_done_txg; uint64_t scn_sync_start_time; zio_t *scn_zio_root; diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h index 6b2d0f508..e945b40a9 100644 --- a/include/sys/fs/zfs.h +++ b/include/sys/fs/zfs.h @@ -21,7 +21,7 @@ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. * Copyright 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2012, Joyent, Inc. All rights reserved. */ @@ -530,7 +530,7 @@ typedef struct zpool_rewind_policy { #define ZPOOL_CONFIG_SPLIT_GUID "split_guid" #define ZPOOL_CONFIG_SPLIT_LIST "guid_list" #define ZPOOL_CONFIG_REMOVING "removing" -#define ZPOOL_CONFIG_RESILVERING "resilvering" +#define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg" #define ZPOOL_CONFIG_COMMENT "comment" #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ diff --git a/include/sys/vdev_impl.h b/include/sys/vdev_impl.h index af6602083..45a2b5e48 100644 --- a/include/sys/vdev_impl.h +++ b/include/sys/vdev_impl.h @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. */ #ifndef _SYS_VDEV_IMPL_H @@ -182,7 +182,7 @@ struct vdev { uint64_t vdev_faulted; /* persistent faulted state */ uint64_t vdev_degraded; /* persistent degraded state */ uint64_t vdev_removed; /* persistent removed state */ - uint64_t vdev_resilvering; /* persistent resilvering state */ + uint64_t vdev_resilver_txg; /* persistent resilvering state */ uint64_t vdev_nparity; /* number of parity devices for raidz */ char *vdev_path; /* vdev path (if any) */ char *vdev_devid; /* vdev devid (if any) */ diff --git a/include/sys/zfs_debug.h b/include/sys/zfs_debug.h index 41e8c08a1..1013009fd 100644 --- a/include/sys/zfs_debug.h +++ b/include/sys/zfs_debug.h @@ -20,7 +20,7 @@ */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. - * Copyright (c) 2012 by Delphix. All rights reserved. + * Copyright (c) 2013 by Delphix. All rights reserved. */ #ifndef _SYS_ZFS_DEBUG_H @@ -95,6 +95,7 @@ extern void zfs_dbgmsg_fini(void); #define zfs_dbgmsg(...) dprintf(__VA_ARGS__) #else extern void zfs_dbgmsg(const char *fmt, ...); +extern void zfs_dbgmsg_print(const char *tag); #endif #ifndef _KERNEL |