Paul Dagnelie 43eaef6de8 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		2021-01-28 11:39:13 -08:00
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freebsd	FreeBSD: upstream changes to VFS interface	2021-01-24 16:06:02 -08:00
linux	Fix zrele race in zrele_async that can cause hang	2021-01-28 11:39:13 -08:00