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* Fallback to strerror() when strerror_l() isn't availableBrian Behlendorf2024-10-121-1/+1
| | | | | | | | | Some C libraries, such as uClibc, do not provide strerror_l() in which case we fallback to strerror(). Reviewed-by: Tino Reichardt <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #16636 Closes #16640
* libspl/assert: use libunwind for backtrace when availableRob Norris2024-05-011-0/+1
| | | | | | | | | | | libunwind seems to do a better job of resolving a symbols than backtrace(), and is also useful on platforms that don't have backtrace() (eg musl). If it's available, use it. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Rob Norris <[email protected]> Sponsored-by: https://despairlabs.com/sponsor/ Closes #16140
* libspl/assert: dump backtrace in assertRob Norris2024-05-011-0/+1
| | | | | | | | | | Adds a check for the backtrace() function. If available, uses it to show a stack backtrace in the assertion output. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Rob Norris <[email protected]> Sponsored-by: https://despairlabs.com/sponsor/ Closes #16140
* libspl/assert: show process/task details in assert outputRob Norris2024-05-011-1/+1
| | | | | | | | | | | | | | Makes it much easier to see what thing complained. Getting thread id, program name and thread name vary wildly between Linux and FreeBSD, so those are set up in macros. pthread_getname_np() did not appear in musl until very recently, but the same info has always been available via prctl(PR_GET_NAME), so we use that instead. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Rob Norris <[email protected]> Sponsored-by: https://despairlabs.com/sponsor/ Closes #16140
* Only provide execvpe(3) when neededBrooks Davis2023-11-301-1/+1
| | | | | | | | Check for the existence of execvpe(3) and only provide the FreeBSD compat version if required. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Brooks Davis <[email protected]> Closes #15609
* config: don't link libudev on FreeBSDRob N2023-03-271-1/+1
| | | | | | | | | FreeBSD has a libudev shim in libudev-devd. If present, configure would detect it and produce binaries linked against it, even though nothing used it. That is surprising and unnecessary, so lets remove it. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Rob Norris <[email protected]> Closes #14669
* config: user: drop ZONENAME, avoid lying about being Linux-onlyнаб2022-05-101-11/+0
| | | | | | Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #13316
* config: user: check for <aio.h>наб2022-03-281-0/+1
| | | | | | | | | And always zpool_read_label_slow() on non-conformant libcs Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: José Luis Salvador Rufo <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #13207 Closes #13254
* libzfs: add keylocation=https://, backed by fetch(3) or libcurlнаб2021-05-121-0/+1
| | | | | | | | | | | Add support for http and https to the keylocation properly to allow encryption keys to be fetched from the specified URL. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Issue #9543 Closes #9947 Closes #11956
* libspl: implement atomics in terms of atomicsнаб2021-04-181-0/+1
| | | | | | | | | | | | | This replaces the generic libspl atomic.c atomics implementation with one based on builtin gcc atomics. This functionality was added as an experimental feature in gcc 4.4. Today even CentOS 7 ships with gcc 4.8 as the default compiler we can make this the default. Furthermore, the builtin atomics are as good or better than our hand-rolled implementation so it's reasonable to drop that custom code. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes #11904
* Clean up lib dependenciesArvind Sankar2020-07-101-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | libzutil is currently statically linked into libzfs, libzfs_core and libzpool. Avoid the unnecessary duplication by removing it from libzfs and libzpool, and adding libzfs_core to libzpool. Remove a few unnecessary dependencies: - libuutil from libzfs_core - libtirpc from libspl - keep only libcrypto in libzfs, as we don't use any functions from libssl - librt is only used for clock_gettime, however on modern systems that's in libc rather than librt. Add a configure check to see if we actually need librt - libdl from raidz_test Add a few missing dependencies: - zlib to libefi and libzfs - libuuid to zpool, and libuuid and libudev to zed - libnvpair uses assertions, so add assert.c to provide aok and libspl_assertf Sort the LDADD for programs so that libraries that satisfy dependencies come at the end rather than the beginning of the linker command line. Revamp the configure tests for libaries to use FIND_SYSTEM_LIBRARY instead. This can take advantage of pkg-config, and it also avoids polluting LIBS. List all the required dependencies in the pkgconfig files, and move the one for libzfs_core into the latter's directory. Install pkgconfig files in $(libdir)/pkgconfig on linux and $(prefix)/libdata/pkgconfig on FreeBSD, instead of /usr/share/pkgconfig, as the more correct location for library .pc files. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Arvind Sankar <[email protected]> Closes #10538
* pam: implement a zfs_key pam modulefelixdoerre2020-06-241-0/+1
| | | | | | | | | | | | | | | | | Implements a pam module for automatically loading zfs encryption keys for home datasets. The pam module: - loads a zfs key and mounts the dataset when a session opens. - unmounts the dataset and unloads the key when the session closes. - when the user is logged on and changes the password, the module changes the encryption key. Reviewed-by: Richard Laager <[email protected]> Reviewed-by: @jengelh <[email protected]> Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Felix Dörre <[email protected]> Closes #9886 Closes #9903
* Add FreeBSD support to OpenZFSMatthew Macy2020-04-141-6/+7
| | | | | | | | | | | | | | | | | | Add the FreeBSD platform code to the OpenZFS repository. As of this commit the source can be compiled and tested on FreeBSD 11 and 12. Subsequent commits are now required to compile on FreeBSD and Linux. Additionally, they must pass the ZFS Test Suite on FreeBSD which is being run by the CI. As of this commit 1230 tests pass on FreeBSD and there are no unexpected failures. Reviewed-by: Sean Eric Fagan <[email protected]> Reviewed-by: Jorgen Lundman <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Co-authored-by: Ryan Moeller <[email protected]> Signed-off-by: Matt Macy <[email protected]> Signed-off-by: Ryan Moeller <[email protected]> Closes #898 Closes #8987
* Fix typos in config/Andrea Gelmini2019-08-301-1/+1
| | | | | | | Reviewed-by: Ryan Moeller <[email protected]> Reviewed-by: Richard Laager <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Andrea Gelmini <[email protected]> Closes #9232
* config: libintl/libiconv for gettext() detectionRafael Kitover2019-04-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Detect in autoconf whether `-lintl` and possibly `-liconv` are necessary for translation functions like `gettext()`. The actual autoconf code is just: ``` AM_ICONV AM_GNU_GETTEXT([external]) LIBS="$LIBS $LTLIBINTL $LTLIBICONV" ``` References: https://www.gnu.org/software/gettext/manual/html_node/AM_005fGNU_005fGETTEXT.html https://www.gnu.org/software/gettext/manual/html_node/AM_005fICONV.html The reason to check for `libiconv` and add it separately is that this is sometimes necessary if users are linking statically. The `config/*.m4` files were added by running `gettextize` and removing everything else. The empty file `config/config.rpath` is necessary to avoid an error with some versions of autotools, see: http://ramblingfoo.blogspot.com/2007/07/required-file-configrpath-not-found.html The `config.rpath` copied by `gettextize` does not currently work, there is some kind of missing interaction with `libtool` and it tries to apply `libtool` flags to the compiler. Reviewed-by: Brian Behlendorf <[email protected]> Reviewed-by: Richard Laager <[email protected]> Signed-off-by: Rafael Kitover <[email protected]> Closes #8554
* Check for strlcat and strlcpyBrian Behlendorf2018-12-111-1/+1
| | | | | | | | | | | | | | | | This partially reverts commit 8005ca4 by moving the strlcat() and strlcpy() compatibility implementations back to their original location. In addition, these two functions were added to the AC_CHECK_FUNCS macro. When these functions are available from the C library, HAVE_STRLCAT and HAVE_STRLCPY will be defined and library version used. Otherwise the compatibility version is built. Reviewed-by: Sebastian Gottschall <[email protected]> Reviewed-by: Alek Pinchuk <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #8157 Closes #8202
* Tunable directory for zfs runtime scriptsAntonio Russo2018-06-071-0/+1
| | | | | | | | | | | | | zpool and zed place scripts in subdirectories of libexecdir. Some distributions locate architecture independent scripts in other locations (e.g. Debian). To avoid these paths getting out of sync, centralize the definitions. Build zfs-test's default.cfg by Makefile. Use the new directory logic building tests/zfs-tests/include/default.cfg.in. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Antonio Russo <[email protected]> Closes #7597
* Fix mmap / libaio deadlockBrian Behlendorf2018-03-281-0/+1
| | | | | | | | | | | | | | Calling uiomove() in mappedread() under the page lock can result in a deadlock if the user space page needs to be faulted in. Resolve the issue by dropping the page lock before the uiomove(). The inode range lock protects against concurrent updates via zfs_read() and zfs_write(). Reviewed-by: Albert Lee <[email protected]> Reviewed-by: Chunwei Chen <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #7335 Closes #7339
* Remove libattr requirementDeHackEd2018-03-271-1/+0
| | | | | | | | | | RHEL/CentOS 6 supports sys/xattr.h eliminating the need for libattr-devel as a dependency. Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: DHE <[email protected]> Closes #7344 Closes #7351
* Support -fsanitize=address with --enable-asanBrian Behlendorf2018-01-101-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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
* Encryption patch follow-upTom Caputi2017-10-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * PBKDF2 implementation changed to OpenSSL implementation. * HKDF implementation moved to its own file and tests added to ensure correctness. * Removed libzfs's now unnecessary dependency on libzpool and libicp. * Ztest can now create and test encrypted datasets. This is currently disabled until issue #6526 is resolved, but otherwise functions as advertised. * Several small bug fixes discovered after enabling ztest to run on encrypted datasets. * Fixed coverity defects added by the encryption patch. * Updated man pages for encrypted send / receive behavior. * Fixed a bug where encrypted datasets could receive DRR_WRITE_EMBEDDED records. * Minor code cleanups / consolidation. Signed-off-by: Tom Caputi <[email protected]>
* GCC 7.1 fixesTony Hutter2017-06-281-0/+1
| | | | | | | | | | | GCC 7.1 with will warn when we're not checking the snprintf() return code in cases where the buffer could be truncated. This patch either checks the snprintf return code (where applicable), or simply disables the warnings (ztest.c). Reviewed-by: Chunwei Chen <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #6253
* OpenZFS 7290 - ZFS test suite needs to control what utilities it can runJohn Wren Kennedy2017-04-061-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | Authored by: John Wren Kennedy <[email protected]> Reviewed by: Dan Kimmel <[email protected]> Reviewed by: Matthew Ahrens <[email protected]> Reviewed by: Dan McDonald <[email protected]> Approved by: Gordon Ross <[email protected]> Ported-by: Brian Behlendorf <[email protected]> Ported-by: George Melikov <[email protected]> Porting Notes: - Utilities which aren't available under Linux have been removed. - Because of sudo's default secure path behavior PATH must be explicitly reset at the top of libtest.shlib. This avoids the need for all users to customize secure path on their system. - Updated ZoL infrastructure to manage constrained path - Updated all test cases - Check permissions for usergroup tests - When testing in-tree create links under bin/ - Update fault cleanup such that missing files during cleanup aren't fatal. - Configure su environment with constrained path OpenZFS-issue: https://www.illumos.org/issues/7290 OpenZFS-commit: https://github.com/openzfs/openzfs/commit/1d32ba6 Closes #5903
* glibc 2.5 compat: use correct header for makedev() et al.Olaf Faaland2017-03-311-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In glibc 2.5, makedev(), major(), and minor() are defined in sys/sysmacros.h. They are also defined in types.h for backward compatability, but using these definitions triggers a compile warning. This breaks the ZFS build, as it builds with -Werror. autoconf email threads indicate these macros may be defined in sys/mkdev.h in some cases. This commit adds configure checks to detect where makedev() is defined: sys/sysmacros.h sys/mkdev.h It assumes major() and minor() are defined in the same place. The libspl types.h then includes sys/sysmacros.h (preferred) or sys/mkdev.h (2nd choice) if one of those defines makedev(). This is done before including the system types.h. An alternative would be to remove uses of major, minor, and makedev, instead comparing the st_dev returned from stat64. These configure checks would then be unnecessary. This change revealed that __NORETURN was being defined unnecessarily in libspl/include/sys/sysmacros.h. That definition is removed. The files in which __NORETURN are used all include types.h, and so all will get the definition provided by feature_tests.h Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Olaf Faaland <[email protected]> Closes #5945
* Add -c to zpool iostat & status to run commandTony Hutter2016-11-291-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a command (-c) option to zpool status and zpool iostat. The -c option allows you to run an arbitrary command on each vdev and display the first line of output in zpool status/iostat. The environment vars VDEV_PATH and VDEV_UPATH are set to the vdev's path and "underlying path" before running the command. For device mapper, multipath, or partitioned vdevs, VDEV_UPATH is the actual underlying /dev/sd* disk. This can be useful if the command you're running requires a /dev/sd* device. The patch also uses /sys/block/<dev>/slaves/ to lookup the underlying device instead of using libdevmapper. This not only removes the libdevmapper requirement at build time, but also allows you to resolve device mapper devices without being root. This means that UDEV_UPATH get set correctly when running zpool status/iostat as an unprivileged user. Example: $ zpool status -c 'echo I am $VDEV_PATH, $VDEV_UPATH' NAME STATE READ WRITE CKSUM mypool ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 mpatha ONLINE 0 0 0 I am /dev/mapper/mpatha, /dev/sdc sdb ONLINE 0 0 0 I am /dev/sdb1, /dev/sdb Reviewed-by: Giuseppe Di Natale <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #5368
* Multipath autoreplace, control enclosure LEDs, event rate limitingTony Hutter2016-10-191-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | 1. Enable multipath autoreplace support for FMA. This extends FMA autoreplace to work with multipath disks. This requires libdevmapper to be installed at build time. 2. Turn on/off fault LEDs when VDEVs become degraded/faulted/online Set ZED_USE_ENCLOSURE_LEDS=1 in zed.rc to have ZED turn on/off the enclosure LED for a drive when a drive becomes FAULTED/DEGRADED. Your enclosure must be supported by the Linux SES driver for this to work. The enclosure LED scripts work for multipath devices as well. The scripts will clear the LED when the fault is cleared. 3. Rate limit ZIO delay and checksum events so as not to flood ZED ZIO delay and checksum events are rate limited to 5/sec in the zfs module. Reviewed-by: Richard Laager <[email protected]> Reviewed by: Don Brady <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #2449 Closes #3017 Closes #5159
* Illumos Crypto Port module added to enable native encryption in zfsTom Caputi2016-07-201-1/+0
| | | | | | | | | | | | | | | | | | | | A port of the Illumos Crypto Framework to a Linux kernel module (found in module/icp). This is needed to do the actual encryption work. We cannot use the Linux kernel's built in crypto api because it is only exported to GPL-licensed modules. Having the ICP also means the crypto code can run on any of the other kernels under OpenZFS. I ended up porting over most of the internals of the framework, which means that porting over other API calls (if we need them) should be fairly easy. Specifically, I have ported over the API functions related to encryption, digests, macs, and crypto templates. The ICP is able to use assembly-accelerated encryption on amd64 machines and AES-NI instructions on Intel chips that support it. There are place-holder directories for similar assembly optimizations for other architectures (although they have not been written). Signed-off-by: Tom Caputi <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #4329
* Add support for libtirpcBrian Behlendorf2016-04-281-0/+1
| | | | | | | | | | | | | | | | | | | | | While OpenSolaris libc and glibc both include XDR support, the musl libc does not in favor of depending on the BSD-licensed libtirpc library. Adding support is a simple matter of detecting the library, including the headers and linking against it. By default libtirpc will be checked for and if available used. Otherwise, configure will fall back to using the xdr implementation provided by libc if available. The options --with-tirpc/--without-tirpc can be used to disable this checking. In addition, the xdr_control() function has been simplied to only handle ZFSs specific use case. Original-patch-by: stf <[email protected]> Original-patch-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Signed-off-by: Carlo Landmeter <[email protected]> Closes #2254 Closes #4559
* Add support for devid and phys_path keys in vdev disk labelsDon Brady2016-03-311-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is foundational work for ZED. Updates a leaf vdev's persistent device strings on Linux platform * only applies for a dedicated leaf vdev (aka whole disk) * updated during pool create|add|attach|import * used for matching device matching during auto-{online,expand,replace} * stored in a leaf disk config label (i.e. alongside 'path' NVP) * can opt-out using env var ZFS_VDEV_DEVID_OPT_OUT=YES Some examples: path: '/dev/sdb1' devid: 'scsi-350000394a8ca4fbc-part1' phys_path: 'pci-0000:04:00.0-sas-0x50000394a8ca4fbf-lun-0' path: '/dev/mapper/mpatha' devid: 'dm-uuid-mpath-35000c5006304de3f' Signed-off-by: Don Brady <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #2856 Closes #3978 Closes #4416
* Add the ZFS Test SuiteBrian Behlendorf2016-03-161-2/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add the ZFS Test Suite and test-runner framework from illumos. This is a continuation of the work done by Turbo Fredriksson to port the ZFS Test Suite to Linux. While this work was originally conceived as a stand alone project integrating it directly with the ZoL source tree has several advantages: * Allows the ZFS Test Suite to be packaged in zfs-test package. * Facilitates easy integration with the CI testing. * Users can locally run the ZFS Test Suite to validate ZFS. This testing should ONLY be done on a dedicated test system because the ZFS Test Suite in its current form is destructive. * Allows the ZFS Test Suite to be run directly in the ZoL source tree enabled developers to iterate quickly during development. * Developers can easily add/modify tests in the framework as features are added or functionality is changed. The tests will then always be in sync with the implementation. Full documentation for how to run the ZFS Test Suite is available in the tests/README.md file. Warning: This test suite is designed to be run on a dedicated test system. It will make modifications to the system including, but not limited to, the following. * Adding new users * Adding new groups * Modifying the following /proc files: * /proc/sys/kernel/core_pattern * /proc/sys/kernel/core_uses_pid * Creating directories under / Notes: * Not all of the test cases are expected to pass and by default these test cases are disabled. The failures are primarily due to assumption made for illumos which are invalid under Linux. * When updating these test cases it should be done in as generic a way as possible so the patch can be submitted back upstream. Most existing library functions have been updated to be Linux aware, and the following functions and variables have been added. * Functions: * is_linux - Used to wrap a Linux specific section. * block_device_wait - Waits for block devices to be added to /dev/. * Variables: Linux Illumos * ZVOL_DEVDIR "/dev/zvol" "/dev/zvol/dsk" * ZVOL_RDEVDIR "/dev/zvol" "/dev/zvol/rdsk" * DEV_DSKDIR "/dev" "/dev/dsk" * DEV_RDSKDIR "/dev" "/dev/rdsk" * NEWFS_DEFAULT_FS "ext2" "ufs" * Many of the disabled test cases fail because 'zfs/zpool destroy' returns EBUSY. This is largely causes by the asynchronous nature of device handling on Linux and is expected, the impacted test cases will need to be updated to handle this. * There are several test cases which have been disabled because they can trigger a deadlock. A primary example of this is to recursively create zpools within zpools. These tests have been disabled until the root issue can be addressed. * Illumos specific utilities such as (mkfile) should be added to the tests/zfs-tests/cmd/ directory. Custom programs required by the test scripts can also be added here. * SELinux should be either is permissive mode or disabled when running the tests. The test cases should be updated to conform to a standard policy. * Redundant test functionality has been removed (zfault.sh). * Existing test scripts (zconfig.sh) should be migrated to use the framework for consistency and ease of testing. * The DISKS environment variable currently only supports loopback devices because of how the ZFS Test Suite expects partitions to be named (p1, p2, etc). Support must be added to generate the correct partition name based on the device location and name. * The ZFS Test Suite is part of the illumos code base at: https://github.com/illumos/illumos-gate/tree/master/usr/src/test Original-patch-by: Turbo Fredriksson <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Olaf Faaland <[email protected]> Closes #6 Closes #1534
* Make directory into which mount.zfs is installed configurableRichard Yao2014-10-281-0/+1
| | | | | | | | | | | Installing outside of the prefix is not permissible under Gentoo Prefix. The package manager will cause the installation process to fail if/when it sees this. I could script a workaround inside the ebuild, but it seemed to make more sense to make this more configurable. Signed-off-by: Richard Yao <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #2641
* Retire HAVE_IOCTL_* configure checksBrian Behlendorf2014-08-281-1/+0
| | | | | | | | | | | The HAVE_IOCTL_* configure checks were originally added for compatibility with an ancient version of glibc. This support and additional complexity is no longer needed and is therefore being removed. Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Turbo Fredriksson <[email protected]> Closes #585
* Replace check for _POSIX_MEMLOCK w/ HAVE_MLOCKALLChris Dunlap2014-04-021-0/+3
| | | | | | | | | | | | | | | | | | | zed supports a '-M' cmdline opt to lock all pages in memory via mlockall(). The _POSIX_MEMLOCK define is checked to determine whether this function is supported. The current test assumes mlockall() is supported if _POSIX_MEMLOCK is non-zero. However, this test is insufficient according to mlock(2) and sysconf(3). If _POSIX_MEMLOCK is -1, mlockall() is not supported; but if _POSIX_MEMLOCK is 0, availability must be checked at runtime. This commit adds an autoconf check for mlockall() to user.m4. The zed code block for mlockall() is now guarded with a test for HAVE_MLOCKALL. If defined, mlockall() will be called and its runtime availability checked via its return value. Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #2
* Add defs for makefile installation dir varsChris Dunlap2014-03-311-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add macro definitions to AM_CPPFLAGS to propagate makefile installation directory variables for libexecdir, runstatedir, sbindir, and sysconfdir. https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Installation-Directory-Variables.html A corollary is that you should not use these variables except in makefiles. For instance, instead of trying to evaluate datadir in configure and hard-coding it in makefiles using e.g., 'AC_DEFINE_UNQUOTED([DATADIR], ["$datadir"], [Data directory.])', you should add -DDATADIR='$(datadir)' to your makefile's definition of CPPFLAGS (AM_CPPFLAGS if you are also using Automake). The runstatedir directory is for "installing data files which the programs modify while they run, that pertain to one specific machine, and which need not persist longer than the execution of the program". https://www.gnu.org/prep/standards/html_node/Directory-Variables.html It will be defined by autoconf 2.70 or later, and default to "$(localstatedir)/run". http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commit;h=a197431414088a417b407b9b20583b2e8f7363bd Signed-off-by: Chris Dunlap <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Issue #2
* Add systemd unit files for ZFS startupRalf Ertzinger2014-02-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds systemd unit files replacing the functionality offered by the SysV init script found in etc/init.d. It has been developed and tested on Fedora 19, Fedora 20 and openSuSE 13.1. Four unit files and one target are offered. zfs-import-cache.service: Import pools from /etc/zfs/zpool.cache. This unit will wait for udev to settle. zfs-import-scan.service: Import pools by scanning /dev/disk/by-id for zvols. This unit will only run if /etc/zfs/zpool.cache is not present. This unit will wait for udev to settle zfs-mount.service: Mount ZFS native filesystems. It contains a dependency to be loaded before local-fs.target. zfs-share.service: Share NFS/SMB filesystems. This unit contains a dependency that will cause it to be restarted whenever the smb or nfs-server unit is restarted, restoring the shares added. zfs.target: This target pulls in the other units in order to start ZFS. It's the only unit that can be enabled/disabled, all other services are static and pulled in by dependencies. It will honour zfs=off and zfs=no options on the kernel command line. Signed-off-by: Brian Behlendorf <[email protected]> Closes #2108
* Add full SELinux supportMatthew Thode2013-12-191-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Four new dataset properties have been added to support SELinux. They are 'context', 'fscontext', 'defcontext' and 'rootcontext' which map directly to the context options described in mount(8). When one of these properties is set to something other than 'none'. That string will be passed verbatim as a mount option for the given context when the filesystem is mounted. For example, if you wanted the rootcontext for a filesystem to be set to 'system_u:object_r:fs_t' you would set the property as follows: $ zfs set rootcontext="system_u:object_r:fs_t" storage-pool/media This will ensure the filesystem is automatically mounted with that rootcontext. It is equivalent to manually specifying the rootcontext with the -o option like this: $ zfs mount -o rootcontext=system_u:object_r:fs_t storage-pool/media By default all four contexts are set to 'none'. Further information on SELinux contexts is detailed in mount(8) and selinux(8) man pages. Signed-off-by: Matthew Thode <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Signed-off-by: Richard Yao <[email protected]> Closes #1504
* Add --with-dracutdir configure optionBrian Behlendorf2013-03-061-0/+1
| | | | | | | | | | | | | The standard dracut directory has moved from /usr/share/dracut to /usr/lib/dracut. To ensure the dracut modules get installed in the correct location provide a --with-dracutdir configure option to set the path. The default install location has been updated to /usr/lib/dracut which is used by more current versions of Fedora. However, this default is overriden by the RPM packaging for consistency. Signed-off-by: Brian Behlendorf <[email protected]>
* Remove NPTL_GUARD_WITHIN_STACKBrian Behlendorf2013-01-291-1/+0
| | | | | | | | | | | | | | | | | Commit 4b2f65b253952c5103311cc8bb4b8cdc6836fd7e increased the user space stack by 4x to resolve certain stack overflows. As such it no longer makes sense to worry about a single extra page which might or might not be part of the process stack. There is now ample headroom for normal usage. By eliminating this configure check we are also resolving the following segfault which intentionally occurs at configure time and may be logged in dmesg. conftest[22156]: segfault at 7fbf18a47e48 ip 00000000004007fe sp 00007fbf18a4be50 error 6 in conftest[400000+1000] Signed-off-by: Brian Behlendorf <[email protected]>
* Move udev rules from /etc/udev to /lib/udevKyle Fuller2011-08-081-0/+1
| | | | | | | | | | | | | | | | | | | This change moves the default install location for the zfs udev rules from /etc/udev/ to /lib/udev/. The correct convention is for rules provided by a package to be installed in /lib/udev/. The /etc/udev/ directory is reserved for custom rules or local overrides. Additionally, this patch cleans up some abuse of the bindir install location by adding a udevdir and udevruledir install directories. This allows us to revert to the default bin install location. The udev install directories can be set with the following new options. --with-udevdir=DIR install udev helpers [EPREFIX/lib/udev] --with-udevruledir=DIR install udev rules [UDEVDIR/rules.d] Signed-off-by: Brian Behlendorf <[email protected]> Closes #356
* Always check -Wno-unused-but-set-variable gcc supportBrian Behlendorf2011-06-141-1/+0
| | | | | | | | | | | The previous commit 8a7e1ceefa430988c8f888ca708ab307333b4464 wasn't quite right. This check applies to both the user and kernel space build and as such we must make sure it runs regardless of what the --with-config option is set too. For example, if --with-config=kernel then the autoconf test does not run and we generate build warnings when compiling the kernel packages.
* Check for -Wno-unused-but-set-variable gcc supportBrian Behlendorf2011-06-141-0/+1
| | | | | | | | | | | | | Gcc versions 4.3.2 and earlier do not support the compiler flag -Wno-unused-but-set-variable. This can lead to build failures on older Linux platforms such as Debian Lenny. Since this is an optional build argument this changes add a new autoconf check for the option. If it is supported by the installed version of gcc then it is used otherwise it is omited. See commit's 12c1acde76683108441827ae9affba1872f3afe5 and 79713039a2b6e0ed223d141b4a8a8455f282d2f2 for the reason the -Wno-unused-but-set-variable options was originally added.
* Minimal libshare infrastructureBrian Behlendorf2011-02-041-1/+0
| | | | | | | | | | | | | | | | | | ZFS even under Solaris does not strictly require libshare to be available. The current implementation attempts to dlopen() the library to access the needed symbols. If this fails libshare support is simply disabled. This means that on Linux we only need the most minimal libshare implementation. In fact just enough to prevent the build from failing. Longer term we can decide if we want to implement a libshare library like Solaris. At best this would be an abstraction layer between ZFS and NFS/SMB. Alternately, we can drop libshare entirely and directly integrate ZFS with Linux's NFS/SMB. Finally the bare bones user-libshare.m4 test was dropped. If we do decide to implement libshare at some point it will surely be as part of this package so the check is not needed.
* Autoconf selinux supportBrian Behlendorf2011-01-281-0/+1
| | | | | | | | | | | | | | | | | If libselinux is detected on your system at configure time link against it. This allows us to use a library call to detect if selinux is enabled and if it is to pass the mount option: "context=\"system_u:object_r:file_t:s0" For now this is required because none of the existing selinux policies are aware of the zfs filesystem type. Because of this they do not properly enable xattr based labeling even though zfs supports all of the required hooks. Until distro's add zfs as a known xattr friendly fs type we must use mntpoint labeling. Alternately, end users could modify their existing selinux policy with a little guidance.
* Add build systemBrian Behlendorf2010-08-311-0/+13
| | | | | | 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.
* Removed build system from master branch, will relocate to linux-zfs-branchBrian Behlendorf2008-12-011-4/+0
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* Working version of M4 macro configBrian Behlendorf2008-11-261-1/+4
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* Make everything a M4 macro, it's just cleaner that wayBrian Behlendorf2008-11-261-0/+1
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