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Optimize txg_kick() process (#12274)

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Use dp_dirty_pertxg[] for txg_kick(), instead of dp_dirty_total in
original code. Extra parameter "txg" is added for txg_kick(), thus it
knows which txg to kick. Also txg_kick() call is moved from
dsl_pool_need_dirty_delay() to dsl_pool_dirty_space() so that we can
know the txg number assigned for txg_kick().

Some unnecessary code regarding dp_dirty_total in txg_sync_thread() is
also cleaned up.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: jxdking <lostking2008@hotmail.com>
Closes #12274
This commit is contained in:
Kevin Jin
2021-07-01 11:20:27 -04:00
committed by GitHub
parent 42afb12da7
commit 50e09eddd0
3 changed files with 34 additions and 29 deletions
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include/sys/txg.h
+1 -1
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@@ -78,7 +78,7 @@ extern void txg_register_callbacks(txg_handle_t *txghp, list_t *tx_callbacks);
extern void txg_delay(struct dsl_pool *dp, uint64_t txg, hrtime_t delta,
hrtime_t resolution);
extern void txg_kick(struct dsl_pool *dp);
extern void txg_kick(struct dsl_pool *dp, uint64_t txg);
/*
* Wait until the given transaction group has finished syncing.