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Optionally skip zil_close during zvol_create_minor_impl

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If there were no zil entries to replay, skip zil_close.  zil_close waits
for a transaction to sync.  That can take several seconds, for example
during pool import of a resilvering pool.  Skipping zil_close can cut
the time for "zpool import" from 2 hours to 45 seconds on a resilvering
pool with a thousand zvols.

Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Sponsored-by: Axcient
Closes #13999 
Closes #14015
This commit is contained in:
Alan Somers
2022-11-08 13:38:08 -07:00
committed by GitHub
parent f224eddf92
commit e197bb24f1
4 changed files with 22 additions and 13 deletions
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include/sys/zil.h
+2 -2
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@@ -539,10 +539,10 @@ extern zilog_t *zil_open(objset_t *os, zil_get_data_t *get_data,
zil_sums_t *zil_sums);
extern void zil_close(zilog_t *zilog);
extern void zil_replay(objset_t *os, void *arg,
extern boolean_t zil_replay(objset_t *os, void *arg,
zil_replay_func_t *const replay_func[TX_MAX_TYPE]);
extern boolean_t zil_replaying(zilog_t *zilog, dmu_tx_t *tx);
extern void zil_destroy(zilog_t *zilog, boolean_t keep_first);
extern boolean_t zil_destroy(zilog_t *zilog, boolean_t keep_first);
extern void zil_destroy_sync(zilog_t *zilog, dmu_tx_t *tx);
extern itx_t *zil_itx_create(uint64_t txtype, size_t lrsize);