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5136 fix write throttle comment in dsl_pool.c

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Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Reviewed by: Richard Elling <richard.elling@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>
Author: Matthew Ahrens <mahrens@delphix.com>

illumos/illumos-gate@d85a1e969c
This commit is contained in:
Xin LI 2014-09-13 15:05:10 +00:00
parent 7bdd0535ff
commit 2ee41ff6f3
1 changed files with 2 additions and 8 deletions
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10
uts/common/fs/zfs/dsl_pool.c
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@ -111,8 +111,8 @@ int zfs_delay_min_dirty_percent = 60;
/* /*
* This controls how quickly the delay approaches infinity. * This controls how quickly the delay approaches infinity.
* Larger values cause it to delay less for a given amount of dirty data. * Larger values cause it to delay more for a given amount of dirty data.
* Therefore larger values will cause there to be more dirty data for a * Therefore larger values will cause there to be less dirty data for a
* given throughput. * given throughput.
* *
* For the smoothest delay, this value should be about 1 billion divided * For the smoothest delay, this value should be about 1 billion divided
@ -125,12 +125,6 @@ int zfs_delay_min_dirty_percent = 60;
uint64_t zfs_delay_scale = 1000 * 1000 * 1000 / 2000; uint64_t zfs_delay_scale = 1000 * 1000 * 1000 / 2000;
/*
* XXX someday maybe turn these into #defines, and you have to tune it on a
* per-pool basis using zfs.conf.
*/
hrtime_t zfs_throttle_delay = MSEC2NSEC(10); hrtime_t zfs_throttle_delay = MSEC2NSEC(10);
hrtime_t zfs_throttle_resolution = MSEC2NSEC(10); hrtime_t zfs_throttle_resolution = MSEC2NSEC(10);