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

..

avl

Links in Source Files

2020-09-03 16:17:18 -07:00

icp

ICP: gcm: Allocate hash subkey table separately

2020-10-30 16:06:09 -07:00

lua

lua: avoid gcc -Wreturn-local-addr bug

2020-12-23 14:34:59 -08:00

nvpair

Links in Source Files

2020-09-03 16:17:18 -07:00

os

Fix zrele race in zrele_async that can cause hang

2021-01-28 11:39:13 -08:00

spl

Cleanup linux module kbuild files

2020-06-10 09:24:15 -07:00

unicode

Throw const on some strings

2020-10-16 12:55:56 -07:00

zcommon

Linux 5.10 compat: use iov_iter in uio structure

2020-12-23 14:35:39 -08:00

zfs

Fix two minor lint errors (cppcheck)

2021-01-24 16:06:33 -08:00

zstd

Optimize locking checks in mempool allocator

2020-11-03 09:51:10 -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

Share zfs_fsync, zfs_read, zfs_write, et al between Linux and FreeBSD

2020-12-23 14:34:59 -08:00

Makefile.in

Fix Linux modules uninstall

2020-10-16 13:01:14 -07:00