Paul Dagnelie 2921ad6cba Fix zrele race in zrele_async that can cause hang ... There is a race condition in zfs_zrele_async when we are checking if we would be the one to evict an inode. This can lead to a txg sync deadlock. Instead of calling into iput directly, we attempt to perform the atomic decrement ourselves, unless that would set the i_count value to zero. In that case, we dispatch a call to iput to run later, to prevent a deadlock from occurring. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Signed-off-by: Paul Dagnelie <pcd@delphix.com> Closes #11527 Closes #11530		2021-01-27 21:29:58 -08:00
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spl	cppcheck: integrete cppcheck	2021-01-26 16:12:26 -08:00
zfs	Fix zrele race in zrele_async that can cause hang	2021-01-27 21:29:58 -08:00