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OpenZFS 8027 - tighten up dsl_pool_dirty_delta

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Authored by: Andriy Gapon <avg@FreeBSD.org>
Approved by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed by: Paul Dagnelie <pcd@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

OpenZFS-issue: https://www.illumos.org/issues/8027
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/642668d
Closes #5988
This commit is contained in:
Andriy Gapon 2017-04-07 13:52:26 -07:00 committed by Brian Behlendorf
parent 316da92825
commit c0c8cc7b43
1 changed files with 1 additions and 1 deletions
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2
module/zfs/dsl_pool.c
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@ -469,7 +469,7 @@ dsl_pool_dirty_delta(dsl_pool_t *dp, int64_t delta)
* Note: we signal even when increasing dp_dirty_total. * Note: we signal even when increasing dp_dirty_total.
* This ensures forward progress -- each thread wakes the next waiter. * This ensures forward progress -- each thread wakes the next waiter.
*/ */
if (dp->dp_dirty_total <= zfs_dirty_data_max) if (dp->dp_dirty_total < zfs_dirty_data_max)
cv_signal(&dp->dp_spaceavail_cv); cv_signal(&dp->dp_spaceavail_cv);
} }