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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avl	cppcheck: remove redundant ASSERTs	2021-01-26 16:12:10 -08:00
icp	Extending FreeBSD UIO Struct	2021-01-20 21:27:30 -08:00
lua	cppcheck: integrete cppcheck	2021-01-26 16:12:26 -08:00
nvpair	Links in Source Files	2020-09-02 09:42:12 -07:00
os	Fix zrele race in zrele_async that can cause hang	2021-01-27 21:29:58 -08:00
spl	Cleanup linux module kbuild files	2020-06-10 09:24:15 -07:00
unicode	Throw const on some strings	2020-10-02 17:44:10 -07:00
zcommon	Linux 5.10 compat: use iov_iter in uio structure	2020-12-18 08:48:26 -08:00
zfs	Parallelize vdev_validate	2021-01-26 19:36:51 -08:00
zstd	Optimize locking checks in mempool allocator	2020-11-02 12:10:07 -08:00
.gitignore	Cleanup linux module kbuild files	2020-06-10 09:24:15 -07:00
Kbuild.in	Add zstd support to zfs	2020-08-20 10:30:06 -07:00
Makefile.bsd	FreeBSD: decouple ZFS_DEBUG from kernel debug settings	2020-11-24 09:16:46 -08:00
Makefile.in	cppcheck: integrete cppcheck	2021-01-26 16:12:26 -08:00