Chunwei Chen aa159afb56 Fix use-after-free in vdev_disk_physio_completion
Currently, vdev_disk_physio_completion will try to wake up an waiter without
first checking the existence. This creates a race window in which complete is
called after dr is freed.

We add dr_wait in dio_request to indicate the existence of waiter. Also,
remove dr_rw since no one is using it, and reorder dr_ref to make the struct
more compact in 64bit.

Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #3917
Issue #3880
2015-10-13 15:25:33 -07:00
2015-10-13 09:56:51 -07:00
2015-09-29 11:42:24 -07:00
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Native ZFS for Linux!

ZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the Illumos community.

ZFS on Linux, which is also known as ZoL, is currently feature complete. It includes fully functional and stable SPA, DMU, ZVOL, and ZPL layers.

Full documentation for installing ZoL on your favorite Linux distribution can be found at: http://zfsonlinux.org

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