mirror of https://github.com/openzfs/zfs.git
8d42c98d95
Because dnode_sync_free_range() must drop dn_mtx during its processing, using it as a callback to range_tree_vacate() is not safe. No other operations (besides destroy) are allowed once range_tree_vacate() has begun, and dropping dn_mtx would leave a window open for another thread to observe that invalid (and unsafe) state via dnode_block_freed(). Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Igor Kozhukhov <igor@dilos.org> Signed-off-by: Patrick Mooney <pmooney@oxide.computer> Closes #10708 Closes #10823 |
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