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Boris Protopopov
1ee159f423
zfsonlinux issue #3681 - lock order inversion between zvol_open() and dsl_pool_sync()...zvol_rename_minors() Remove trylock of spa_namespace_lock as it is no longer needed when zvol minor operations are performed in a separate context with no prior locking state; the spa_namespace_lock is no longer held when bdev->bd_mutex or zfs_state_lock might be taken in the code paths originating from the zvol minor operation callbacks. Signed-off-by: Boris Protopopov <boris.protopopov@actifio.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #3681