freebsd-nq/module
tuxoko 6102d0376e Add cond_resched to zfs_zget to prevent infinite loop
It's been reported that threads would loop infinitely inside zfs_zget. The
speculated cause for this is that if an inode is marked for evict, zfs_zget
would see that and loop. However, if the looping thread doesn't yield, the
inode may not have a chance to finish evict, thus causing a infinite loop.

This patch solve this issue by add cond_resched to zfs_zget, making the
looping thread to yield when needed.

Tested-by: jlavoy <jalavoy@gmail.com>
Signed-off-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3349
2015-05-04 09:12:41 -07:00
..
avl Illumos 4873 - zvol unmap calls can take a very long time for larger datasets 2015-04-28 16:24:03 -07:00
nvpair Retire spl_module_init()/spl_module_fini() 2015-02-24 11:37:44 -08:00
unicode Retire spl_module_init()/spl_module_fini() 2015-02-24 11:37:44 -08:00
zcommon Illumos 3897 - zfs filesystem and snapshot limits 2015-04-28 16:22:51 -07:00
zfs Add cond_resched to zfs_zget to prevent infinite loop 2015-05-04 09:12:41 -07:00
zpios Retire spl_module_init()/spl_module_fini() 2015-02-24 11:37:44 -08:00
.gitignore gitignore: anchor entries at their respective directory 2013-04-02 10:50:17 -07:00
Makefile.in Fix modules installation directory 2014-10-28 09:46:14 -07:00