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Prevent reclaim in metaslab preload threads
1cd777340bb2
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Description

Prevent reclaim in metaslab preload threads

Reclaim during metaslab preloading can cause deadlocks involving znode
z_lock and ARC buffer header ht_lock.

Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3532.

Details

Provenance
Tim Chase <tim@chase2k.com>Authored on Jul 3 2015, 2:24 PM
Brian Behlendorf <behlendorf1@llnl.gov>Committed on Jul 6 2015, 4:36 PM
Parents
rGe16b3fcc610f: Illumos 5008 - lock contention (rrw_exit) while running a read only load
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Event Timeline

Brian Behlendorf <behlendorf1@llnl.gov> committed rG1cd777340bb2: Prevent reclaim in metaslab preload threads (authored by Tim Chase <tim@chase2k.com>).Jul 6 2015, 4:36 PM

Changes (1)

PathSize
module/
zfs/

rG1cd777340bb2

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module/zfs/metaslab.c

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