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Add separate field for indicating that spa is in middle of split #10178

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merged 1 commit into from
Apr 9, 2020
Merged

Add separate field for indicating that spa is in middle of split #10178

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1 change: 1 addition & 0 deletions include/sys/spa_impl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -216,6 +216,7 @@ struct spa {
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? */
boolean_t spa_is_splitting; /* in the middle of a split? */
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];
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2 changes: 2 additions & 0 deletions module/zfs/spa.c
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Expand Up @@ -7477,6 +7477,7 @@ spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config,
list_destroy(&vd_trim_list);

newspa->spa_config_source = SPA_CONFIG_SRC_SPLIT;
newspa->spa_is_splitting = B_TRUE;

/* create the new pool from the disks of the original pool */
error = spa_load(newspa, SPA_LOAD_IMPORT, SPA_IMPORT_ASSEMBLE);
Expand Down Expand Up @@ -7554,6 +7555,7 @@ spa_vdev_split_mirror(spa_t *spa, char *newname, nvlist_t *config,
spa_history_log_internal(newspa, "split", NULL,
"from pool %s", spa_name(spa));

newspa->spa_is_splitting = B_FALSE;
kmem_free(vml, children * sizeof (vdev_t *));

/* if we're not going to mount the filesystems in userland, export */
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