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Initialize dbu_tqent in dmu_buf_init_user() 

The dbu_evict_taskq added in 0c66c32d is only invoked via
taskq_dispatch_ent(). In these cases, ZoL's implementation of taskqs
requires the entries to be initialized first with taskq_init_ent() in
order that, among other things, the embedded spinlock is initialized
properly.

Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3419
This commit is contained in:
Tim Chase 2015-05-16 10:40:45 -05:00 committed by Brian Behlendorf
parent 7fec46b9d8
commit f467b05a26
1 changed files with 1 additions and 0 deletions
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include/sys/dmu.h
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@ -558,6 +558,7 @@ dmu_buf_init_user(dmu_buf_user_t *dbu, dmu_buf_evict_func_t *evict_func,
ASSERT(dbu->dbu_evict_func == NULL);
ASSERT(evict_func != NULL);
dbu->dbu_evict_func = evict_func;
taskq_init_ent(&dbu->dbu_tqent);
#ifdef ZFS_DEBUG
dbu->dbu_clear_on_evict_dbufp = clear_on_evict_dbufp;
#endif