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Document metaslab_aliquot.

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Signed-off-by: Etienne Dechamps <etienne@edechamps.fr>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
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Etienne Dechamps 2015-05-10 16:37:22 +01:00 committed by Brian Behlendorf
parent bb3250d07e
commit e8fe6684a5
1 changed files with 7 additions and 0 deletions
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7
module/zfs/metaslab.c
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@ -53,7 +53,14 @@
#define METASLAB_ACTIVE_MASK \ #define METASLAB_ACTIVE_MASK \
(METASLAB_WEIGHT_PRIMARY | METASLAB_WEIGHT_SECONDARY) (METASLAB_WEIGHT_PRIMARY | METASLAB_WEIGHT_SECONDARY)
/*
* Metaslab granularity, in bytes. This is roughly similar to what would be
* referred to as the "stripe size" in traditional RAID arrays. In normal
* operation, we will try to write this amount of data to a top-level vdev
* before moving on to the next one.
*/
uint64_t metaslab_aliquot = 512ULL << 10; uint64_t metaslab_aliquot = 512ULL << 10;
uint64_t metaslab_gang_bang = SPA_MAXBLOCKSIZE + 1; /* force gang blocks */ uint64_t metaslab_gang_bang = SPA_MAXBLOCKSIZE + 1; /* force gang blocks */
/* /*