Chunwei Chen bc25c9325b Use a dedicated taskq for vdev_file ... Originally, vdev_file used system_taskq. This would cause a deadlock, especially on system with few CPUs. The reason is that the prefetcher threads, which are on system_taskq, will sometimes be blocked waiting for I/O to finish. If the prefetcher threads consume all the tasks in system_taskq, the I/O cannot be served and thus results in a deadlock. We fix this by creating a dedicated vdev_file_taskq for vdev_file I/O. Signed-off-by: Chunwei Chen <tuxoko@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #2270		2014-05-14 16:20:21 -07:00
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avl	Add module versioning	2013-12-06 09:34:41 -08:00
nvpair	Fix nvlist 'Bus Error' for Sparc	2014-01-09 15:50:15 -08:00
unicode	cstyle: Resolve C style issues	2013-12-18 16:46:35 -08:00
zcommon	Check the dataset type more rigorously when fetching properties.	2014-05-06 10:41:46 -07:00
zfs	Use a dedicated taskq for vdev_file	2014-05-14 16:20:21 -07:00
zpios	cstyle: Resolve C style issues	2013-12-18 16:46:35 -08:00
.gitignore	gitignore: anchor entries at their respective directory	2013-04-02 10:50:17 -07:00
Makefile.in	Add KMODDIR to install target	2013-03-06 15:46:40 -08:00