diff options
| author | jwpoduska <[email protected]> | 2019-11-27 13:15:01 -0500 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2019-11-27 10:15:01 -0800 |
| commit | 3c819a2c7da4560abb75b9dbf9a314ceafddaf86 (patch) | |
| tree | 665a9607adfe647d0336e7b9499c97da2d2d1dbf /include/sys/dsl_scan.h | |
| parent | 894f6696b4cf7cc2562da159ba5e6e8c806f35de (diff) | |
Prevent unnecessary resilver restarts
If a device is participating in an active resilver, then it will have a
non-empty DTL. Operations like vdev_{open,reopen,probe}() can cause the
resilver to be restarted (or deferred to be restarted later), which is
unnecessary if the DTL is still covered by the current scan range. This
is similar to the logic in vdev_dtl_should_excise() where the DTL can
only be excised if it's max txg is in the resilvered range.
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: John Gallagher <[email protected]>
Reviewed-by: Kjeld Schouten <[email protected]>
Signed-off-by: John Poduska <[email protected]>
Issue #840
Closes #9155
Closes #9378
Closes #9551
Closes #9588
Diffstat (limited to 'include/sys/dsl_scan.h')
| -rw-r--r-- | include/sys/dsl_scan.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/sys/dsl_scan.h b/include/sys/dsl_scan.h index 345d2754f..032f7f3e2 100644 --- a/include/sys/dsl_scan.h +++ b/include/sys/dsl_scan.h @@ -21,7 +21,7 @@ /* * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2012, 2017 by Delphix. All rights reserved. - * Copyright (c) 2017 Datto Inc. + * Copyright (c) 2017, 2019, Datto Inc. All rights reserved. */ #ifndef _SYS_DSL_SCAN_H @@ -164,10 +164,12 @@ void dsl_scan_fini(struct dsl_pool *dp); void dsl_scan_sync(struct dsl_pool *, dmu_tx_t *); int dsl_scan_cancel(struct dsl_pool *); int dsl_scan(struct dsl_pool *, pool_scan_func_t); +void dsl_scan_assess_vdev(struct dsl_pool *dp, vdev_t *vd); boolean_t dsl_scan_scrubbing(const struct dsl_pool *dp); int dsl_scrub_set_pause_resume(const struct dsl_pool *dp, pool_scrub_cmd_t cmd); -void dsl_resilver_restart(struct dsl_pool *, uint64_t txg); +void dsl_scan_restart_resilver(struct dsl_pool *, uint64_t txg); boolean_t dsl_scan_resilvering(struct dsl_pool *dp); +boolean_t dsl_scan_resilver_scheduled(struct dsl_pool *dp); boolean_t dsl_dataset_unstable(struct dsl_dataset *ds); void dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum, ddt_entry_t *dde, dmu_tx_t *tx); |