Brian Behlendorf
aeeb4e0c0a
When this code was written it appears to have been assumed that every taskq would have a large number of threads. In this case it would make sense to attempt to evenly bind the threads over all available CPUs. However, it failed to consider that creating taskqs with a small number of threads will cause the CPUs with lower ids become over-subscribed. For this reason the kthread_bind() call is being removed and we're leaving the kernel to schedule these threads as it sees fit. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #325
The Solaris Porting Layer (SPL) is a Linux kernel module which provides many of the Solaris kernel APIs. This shim layer makes it possible to run Solaris kernel code in the Linux kernel with relatively minimal modification. This can be particularly useful when you want to track upstream Solaris development closely and do not want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.
To build packages for your distribution:
$ ./configure
$ make pkg
If you are building directly from the git tree and not an officially released tarball you will need to generate the configure script. This can be done by executing the autogen.sh script after installing the GNU autotools for your distribution.
To copy the kernel code inside your kernel source tree for builtin compilation:
$ ./configure --enable-linux-builtin --with-linux=/usr/src/linux-...
$ ./copy-builtin /usr/src/linux-...
The SPL comes with an automated test suite called SPLAT. The test suite is implemented in two parts. There is a kernel module which contains the tests and a user space utility which controls which tests are run. To run the full test suite:
$ sudo insmod ./module/splat/splat.ko
$ sudo ./cmd/splat --all
Full documentation for building, configuring, testing, and using the SPL can be found at: http://zfsonlinux.org