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Add ASSERT to debug encryption key mapping issues

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This patch simply adds an ASSERT that confirms that the last
decrypting reference on a dataset waits until the dataset is
no longer dirty. This should help to debug issues where the
ZIO layer cannot find encryption keys after a dataset has been
disowned.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tom Caputi <tcaputi@datto.com>
Closes #7637
This commit is contained in:
Tom Caputi
2018-06-18 17:10:54 -04:00
committed by Brian Behlendorf
parent 517d247192
commit cd32e5db8b
3 changed files with 24 additions and 0 deletions
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include/sys/dmu.h
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@@ -557,6 +557,7 @@ boolean_t dmu_buf_try_add_ref(dmu_buf_t *, objset_t *os, uint64_t object,
void dmu_buf_rele(dmu_buf_t *db, void *tag);
uint64_t dmu_buf_refcount(dmu_buf_t *db);
uint64_t dmu_buf_user_refcount(dmu_buf_t *db);
/*
* dmu_buf_hold_array holds the DMU buffers which contain all bytes in a