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* Support -fsanitize=address with --enable-asanBrian Behlendorf2018-01-101-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When --enable-asan is provided to configure then build all user space components with fsanitize=address. For kernel support use the Linux KASAN feature instead. https://github.com/google/sanitizers/wiki/AddressSanitizer When using gcc version 4.8 any test case which intentionally generates a core dump will fail when using --enable-asan. The default behavior is to disable core dumps and only newer versions allow this behavior to be controled at run time with the ASAN_OPTIONS environment variable. Additionally, this patch includes some build system cleanup. * Rules.am updated to set the minimum AM_CFLAGS, AM_CPPFLAGS, and AM_LDFLAGS. Any additional flags should be added on a per-Makefile basic. The --enable-debug and --enable-asan options apply to all user space binaries and libraries. * Compiler checks consolidated in always-compiler-options.m4 and renamed for consistency. * -fstack-check compiler flag was removed, this functionality is provided by asan when configured with --enable-asan. * Split DEBUG_CFLAGS in to DEBUG_CFLAGS, DEBUG_CPPFLAGS, and DEBUG_LDFLAGS. * Moved default kernel build flags in to module/Makefile.in and split in to ZFS_MODULE_CFLAGS and ZFS_MODULE_CPPFLAGS. These flags are set with the standard ccflags-y kbuild mechanism. * -Wframe-larger-than checks applied only to binaries or libraries which include source files which are built in both user space and kernel space. This restriction is relaxed for user space only utilities. * -Wno-unused-but-set-variable applied only to libzfs and libzpool. The remaining warnings are the result of an ASSERT using a variable when is always declared. * -D_POSIX_PTHREAD_SEMANTICS and -D__EXTENSIONS__ dropped because they are Solaris specific and thus not needed. * Ensure $GDB is defined as gdb by default in zloop.sh. Signed-off-by: DHE <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #7027
* Remove dead code from AVL treeBrian Behlendorf2017-10-051-71/+4
| | | | | | | | | | | The avl_update_* functions are never used by ZFS and are therefore being removed. They're barely even used in Illumos. Additionally, simplify avl_add() by using a VERIFY which produces exactly the same behavior under Linux. Reviewed-by: George Melikov <[email protected]> Reviewed-by: Giuseppe Di Natale <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #6716
* OpenZFS 7028 - avl_destroy_nodes supports emptying, not just destroying, an ↵Eli Rosenthal2017-08-301-3/+4
| | | | | | | | | | | | | | | | | avl tree Authored by: Eli Rosenthal <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: Paul Dagnelie <[email protected]> Reviewed by: Igor Kozhukhov <[email protected]> Approved by: Gordon Ross <[email protected]> Reviewed-by: George Melikov <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Ported-by: Giuseppe Di Natale <[email protected]> OpenZFS-issue: https://www.illumos.org/issues/7028 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/86f617e Closes #6583
* Fix uninitialized variable in avl_add()Brian Behlendorf2016-07-251-1/+1
| | | | | | | | | | | | Silence the following warning when compiling with gcc 5.4.0. Specifically gcc (Ubuntu 5.4.0-6ubuntu1~16.04.1) 5.4.0 20160609. module/avl/avl.c: In function ‘avl_add’: module/avl/avl.c:647:2: warning: ‘where’ may be used uninitialized in this function [-Wmaybe-uninitialized] avl_insert(tree, new_node, where); Signed-off-by: Brian Behlendorf <[email protected]>
* Support parallel build trees (VPATH builds)Turbo Fredriksson2015-07-171-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Build products from an out of tree build should be written relative to the build directory. Sources should be referred to by their locations in the source directory. This is accomplished by adding the 'src' and 'obj' variables for the module Makefile.am, using relative paths to reference source files, and by setting VPATH when source files are not co-located with the Makefile. This enables the following: $ mkdir build $ cd build $ ../configure \ --with-spl=$HOME/src/git/spl/ \ --with-spl-obj=$HOME/src/git/spl/build $ make -s This change also has the advantage of resolving the following warning which is generated by modern versions of automake. Makefile.am:00: warning: source file 'xxx' is in a subdirectory, Makefile.am:00: but option 'subdir-objects' is disabled Signed-off-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #1082
* Illumos 4745 - fix AVL code misspellingsJosef 'Jeff' Sipek2015-07-101-5/+6
| | | | | | | | | | | | | | | 4745 fix AVL code misspellings Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: Richard Lowe <[email protected]> Approved by: Robert Mustacchi <[email protected]> References: https://github.com/illumos/illumos-gate/commit/6907ca4 https://www.illumos.org/issues/4745 Ported-by: kernelOfTruth [email protected] Signed-off-by: Brian Behlendorf <[email protected]> Closes #3565
* Illumos 4873 - zvol unmap calls can take a very long time for larger datasetsAlex Reece2015-04-281-0/+30
| | | | | | | | | | | | | | | | | | | | | | | | | 4873 zvol unmap calls can take a very long time for larger datasets Author: Alex Reece <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: Paul Dagnelie <[email protected]> Reviewed by: Basil Crow <[email protected]> Reviewed by: Dan McDonald <[email protected]> Approved by: Robert Mustacchi <[email protected]> References: https://www.illumos.org/issues/4873 https://github.com/illumos/illumos-gate/commit/0f6d88a Porting Notes: dbuf_free_range(): - reduce stack usage using kmem_alloc() - the sorted AVL tree will handle the spill block case correctly without all the special handling in the for() loop Ported-by: Chris Dunlop <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
* Retire spl_module_init()/spl_module_fini()Brian Behlendorf2015-02-241-5/+11
| | | | | | | | | | | | | | In the original implementation of the SPL wrappers were provided for module initialization and cleanup. This was done to abstract away any compatibility code which might be needed for the SPL. As it turned out the only significant compatibility issue was that the default pwd during module load differed under Illumos and Linux. Since this is such as minor thing and the wrappers complicate the code they are being retired. Signed-off-by: Brian Behlendorf <[email protected]> Closes #2985
* Explicitly include SPL compat headersNed Bass2014-11-191-0/+1
| | | | | | | | | | | Inclusion of SPL compatibility headers was moved out of the public header sys/types.h to avoid conflicts with external packages. Include a few compatiblity headers explicitly to cope with that change. Also, sort some linux-specific inclusions alphabetically. Signed-off-by: Ned Bass <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2898
* Add module versioningBrian Behlendorf2013-12-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | Use the standard Linux MODULE_VERSION macro to expose the installed zavl, znvpair, zunicode, zcommon, zfs, and zpios module versions. This will also automatically add a checksum of the .c files and headers in "srcversion". See: /sys/module/zavl/version /sys/module/zavl/srcversion /sys/module/znvpair/version /sys/module/znvpair/srcversion /sys/module/zunicode/version /sys/module/zunicode/srcversion /sys/module/zcommon/version /sys/module/zcommon/srcversion /sys/module/zfs/version /sys/module/zfs/srcversion /sys/module/zpios/version /sys/module/zpios/srcversion Signed-off-by: Brian Behlendorf <[email protected]> Closes #1923
* Add script for builtin module building.Etienne Dechamps2012-07-261-5/+2
| | | | | | | | | | | | | | | | | This commit introduces a "copy-builtin" script designed to prepare a kernel source tree for building ZFS as a builtin module. The script makes a full copy of all needed files, thus making the kernel source tree fully independent of the zfs source package. To achieve that, some compilation flags (-include, -I) have been moved to module/Makefile. This Makefile is only used when compiling external modules; when compiling builtin modules, a Kbuild file generated by the configure-builtin script is used instead. This makes sure Makefiles inside the kernel source tree does not contain references to the zfs source package. Signed-off-by: Brian Behlendorf <[email protected]> Issue #851
* Support custom build directories and move includesBrian Behlendorf2010-09-083-477/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | One of the neat tricks an autoconf style project is capable of is allow configurion/building in a directory other than the source directory. The major advantage to this is that you can build the project various different ways while making changes in a single source tree. For example, this project is designed to work on various different Linux distributions each of which work slightly differently. This means that changes need to verified on each of those supported distributions perferably before the change is committed to the public git repo. Using nfs and custom build directories makes this much easier. I now have a single source tree in nfs mounted on several different systems each running a supported distribution. When I make a change to the source base I suspect may break things I can concurrently build from the same source on all the systems each in their own subdirectory. wget -c http://github.com/downloads/behlendorf/zfs/zfs-x.y.z.tar.gz tar -xzf zfs-x.y.z.tar.gz cd zfs-x-y-z ------------------------- run concurrently ---------------------- <ubuntu system> <fedora system> <debian system> <rhel6 system> mkdir ubuntu mkdir fedora mkdir debian mkdir rhel6 cd ubuntu cd fedora cd debian cd rhel6 ../configure ../configure ../configure ../configure make make make make make check make check make check make check This change also moves many of the include headers from individual incude/sys directories under the modules directory in to a single top level include directory. This has the advantage of making the build rules cleaner and logically it makes a bit more sense.
* Add linux kernel module supportBrian Behlendorf2010-08-311-0/+27
| | | | | | | | | | | Setup linux kernel module support, this includes: - zfs context for kernel/user - kernel module build system integration - kernel module macros - kernel module symbol export - kernel module options Signed-off-by: Brian Behlendorf <[email protected]>
* Add build systemBrian Behlendorf2010-08-311-0/+8
| | | | | | Add autoconf style build infrastructure to the ZFS tree. This includes autogen.sh, configure.ac, m4 macros, some scripts/*, and makefiles for all the core ZFS components.
* Fix gcc ident pragma warningsRicardo M. Correia2010-08-271-1/+1
| | | | | | Remove all ident pragmas which are unknown to gcc. Signed-off-by: Brian Behlendorf <[email protected]>
* Update core ZFS code from build 121 to build 141.Brian Behlendorf2010-05-282-9/+4
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* Move the world out of /zfs/ and seperate out module build treeBrian Behlendorf2008-12-113-0/+1508
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