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Until now the notion of an internal debug logging infrastructure was conflated with enabling ASSERT()s. This patch clarifies things by cleanly breaking the two subsystem apart. The result of this is the following behavior. --enable-debug - Enable/disable code wrapped in ASSERT()s. --disable-debug ASSERT()s are used to check invariants and are never required for correct operation. They are disabled by default because they may impact performance. --enable-debug-log - Enable/disable the debug log infrastructure. --disable-debug-log This infrastructure allows the spl code and its consumer to log messages to an in-kernel log. The granularity of the logging can be controlled by a debug mask. By default the mask disables most debug messages resulting in a negligible performance impact. Because of this the debug log is enabled by default. 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 | ||
configure.ac | ||
COPYING | ||
DISCLAIMER | ||
INSTALL | ||
Makefile.am | ||
Makefile.in | ||
META | ||
PKGBUILD-spl-modules.in | ||
PKGBUILD-spl.in | ||
README.markdown | ||
spl_config.h.in | ||
spl-modules.spec.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
Full documentation for building, configuring, and using the SPL can be found at: http://zfsonlinux.org