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a10287e00d
Shift the cache and magazine ageing functionality over to the new delayed taskq interfaces. This allows us to abandon the kernels delayed work queue interface and all the compatibility code it requires. However, the delayed taskq interface does not allow us to schedule a task for a specfic cpu so the ageing code was slightly reworked. The magazine ageing delay has been directly linked to the cache ageing function. The spl_cache_age() function invokes on_each_cpu() in order to run spl_magazine_age() on each cpu. It then blocks waiting for them to complete and promptly reclaims any free slabs. When restructing the code wasn't the primary goal I think the new code is far more understable and maintainable. It also should help minimize magazine thrashing because free slabs are immediately released after the magazine is aged. Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> |
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| 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