Introduce zv_state_lock · openzfs/zfs@5559ba0 · GitHub

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Introduce zv_state_lock

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The lock is designed to protect internal state of zvol_state_t and
to avoid taking spa_namespace_lock (e.g. in dmu_objset_own() code path)
while holding zvol_stat_lock. Refactor the code accordingly.

Signed-off-by: Boris Protopopov <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #3484
Closes #6065
Closes #6134

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bprotopopov authored and behlendorf committed May 16, 2017

1 parent 0778358 commit 5559ba0