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3238e71763
Add a test case for taskq_cancel_id() to verify it is working properly. Just like taskq:delay we start by dispatching 100 tasks. However this time 1/3 of the tasks use taskq_dispatch() and will be run immediately, and 2/3 use taskq_dispatch_delay(). The idea is to create a busy taskq with both active, pending, and delayed tasks. After all the items have been successfully dispatched the test begins randomly canceling known task ids. It will do this for 5 seconds randomly canceling a task id and then sleeping for a few milliseconds. The task being canceled may have already run, still be on the pending list, or may be currently being executed by a worker thread. The idea is to ensure we catch any subtle race conditions. Once all the non-canceled tasks have completed we cross check the number of tasks which ran with the number of tasks which were successfully canceled. Additionally, we verify that the taskq_cancel_id() function never blocks longer than needed. This time is bounded by the longest run time of the task which was dispatched. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> |
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| cmd | ||
| config | ||
| include | ||
| lib | ||
| module | ||
| patches | ||
| scripts | ||
| .gitignore | ||
| AUTHORS | ||
| autogen.sh | ||
| ChangeLog | ||
| configure.ac | ||
| copy-builtin | ||
| COPYING | ||
| DISCLAIMER | ||
| dkms.conf.in | ||
| dkms.postinst | ||
| INSTALL | ||
| Makefile.am | ||
| META | ||
| PKGBUILD-spl-modules.in | ||
| PKGBUILD-spl.in | ||
| README.markdown | ||
| spl-modules.spec.in | ||
| spl.release.in | ||
| spl.spec.in | ||
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 don’t want the overhead of maintaining a large patch which converts Solaris primitives to Linux primitives.
To build packages for your distribution:
$ ./configure
$ make pkg
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-...
Full documentation for building, configuring, and using the SPL can be found at: http://zfsonlinux.org