Commit Graph

101 Commits

Author SHA1 Message Date
LOLi c45c6d9212 Fix zfs-kmod builds when using rpm >= 4.14
With rpm-software-management/rpm@5e94633 a package version containing
invalid characters (most commonly a double '-') causes the kmod package
generation to terminate with an error.  This change takes advantage of
the newly introduced rpm macro "_wrong_version_format_terminate_build"
to allow kmod packages to be built.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:  loli10K <ezomori.nozomu@gmail.com>
Closes #7284
2018-03-09 13:52:37 -08:00
Brian Behlendorf 3d25488afb
Fix default libdir for Debian/Ubuntu
The distribution provided architecture specific RPM macro files
for x86_64 and other architectures on Debian/Ubuntu specify the
wrong default libdir install location.  When building deb packages
override _lib with the correct location.

Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7083 
Closes #7101
2018-02-05 20:42:52 -08:00
Brian Behlendorf fed90353d7
Support -fsanitize=address with --enable-asan
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 <git@dehacked.net>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #7027
2018-01-10 10:49:27 -08:00
LOLi ee410eefc2 Fix --with-systemd on Debian-based distributions (#6963)
These changes propagate the "--with-systemd" configure option to the
RPM spec file, allowing Debian-based distributions to package
systemd-related files.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #6591 
Closes #6963
2017-12-17 14:08:48 -08:00
Prakash Surya acf044420b Add support for "--enable-code-coverage" option
This change adds support for a new option that can be passed to the
configure script: "--enable-code-coverage". Further, the "--enable-gcov"
option has been removed, as this new option provides the same
functionality (plus more).

When using this new option the following make targets are available:

 * check-code-coverage
 * code-coverage-capture
 * code-coverage-clean

Note: these make targets can only be run from the root of the project.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Prakash Surya <prakash.surya@delphix.com>
Closes #6670
2017-09-22 18:49:57 -07:00
Prakash Surya 6384cf4132 Make "-fno-inline" compile option more accessible
When functions are inlined, it can make the system much more difficult
to instrument using tools such as ftrace, BPF, crash, etc. Thus, to aid
development and increase the system's observability, when the
"--enable-debuginfo" flag is specified, the "-fno-inline" compilation
option will be used for both userspace and kernel modules.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Prakash Surya <prakash.surya@delphix.com>
Closes #6605
2017-09-15 11:47:11 -07:00
Brian Behlendorf d9ec8b9b2a Add configure option to enable gcov analysis
* Add configure option to enable gcov analysis.
* Includes a few minor ctime fixes.
* Add codecov.yml configuration.

Reviewed-by: Prakash Surya <prakash.surya@delphix.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #6642
2017-09-15 10:24:13 -07:00
Richard Yao 0d3980acbc Implement --enable-debuginfo to force debuginfo
Inspection of a Ubuntu 14.04 x64 system revealed that the config file
used to build the kernel image differs from the config file used to
build kernel modules by the presence of CONFIG_DEBUG_INFO=y:

This in itself is insufficient to show that the kernel is built with
debuginfo, but a cursory analysis of the debuginfo provided and the
size of the kernel strongly suggests that it was built with
CONFIG_DEBUG_INFO=y while the modules were not. Installing
linux-image-$(uname -r)-dbgsym had no obvious effect on the debuginfo
provided by either the modules or the kernel.

The consequence is that issue reports from distributions such as Ubuntu
and its derivatives build kernel modules without debuginfo contain
nonsensical backtraces. It is therefore desireable to force generation
of debuginfo, so we implement --enable-debuginfo. Since the build system
can build both userspace components and kernel modules, the generic
--enable-debuginfo option will force debuginfo for both. However, it
also supports --enable-debuginfo=kernel and --enable-debuginfo=user for
finer grained control.

Enabling debuginfo for the kernel modules works by injecting
CONFIG_DEBUG_INFO=y into the make environment. This is enables
generation of debuginfo by the kernel build systems on all Linux
kernels, but the build environment is slightly different int hat
CONFIG_DEBUG_INFO has not been in the CPP. Adding -DCONFIG_DEBUG_INFO
would fix that, but it would also cause build failures on kernels where
CONFIG_DEBUG_INFO=y is already set. That would complicate its use in
DKMS environments that support a range of kernels and is therefore
undesireable. We could write a compatibility shim to enable
CONFIG_DEBUG_INFO only when it is explicitly disabled, but we forgo
doing that because it is unnecessary. Nothing in ZoL or the kernel uses
CONFIG_DEBUG_INFO in the CPP at this time and that is unlikely to
change.

Enabling debuginfo for the userspace components is done by injecting -g
into CPPFLAGS. This is not necessary because the build system honors the
environment's CPPFLAGS by appending them to the actual CPPFLAGS used,
but it is supported for consistency.

Reviewed-by: Chunwei Chen <tuxoko@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@clusterhq.com>
Closes #2734
2017-08-29 13:16:24 -04:00
Richard Yao 6f174823ce Make --enable-debug fail when given bogus args
Currently, bogus options to --enable-debug become --disable-debug. That
means that passing --enable-debug=true is analogous to --disable-debug,
but the result is counterintuitive. We switch to AS_CASE to allow us to
fail when given a bogus option.

Also, we modify the text printed to clarify that --enable-debug enables
assertions.

Reviewed-by: Chunwei Chen <tuxoko@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Richard Yao <richard.yao@clusterhq.com>
Closes #2734
2017-08-29 13:16:04 -04:00
wli5 6a9d635998 GZIP compression offloading with QAT accelerator
This patch implement the hardware accelerator method in GZIP compression
in ZFS. When the ZFS pool is enabled GZIP compression, the compression
API will be automatically transferred to the hardware accelerator to
free up CPU resource and speed up the compression time.

* To enable Intel QAT hardware acceleration in ZOL you need to have QAT
  hardware and the driver installed:
  * QAT hardware DH8950:
  http://ark.intel.com/products/79483/Intel-QuickAssist-Adapter-8950
  * QAT driver:
  https://01.org/intel-quickassist-technology
* Start QAT driver in your system:
  service qat_service start
* Enable QAT in ZFS, e.g.:
  ./configure --with-qat=<qat-driver-path>/QAT1.6
  make
* Set GZIP compression in ZFS dataset:
  zfs set compression = gzip <dataset>
* Get QAT hardware statistics by:
  cat /proc/spl/kstat/zfs/qat
* To disable QAT in ZFS:
  insmod zfs.ko zfs_qat_disable=1

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Signed-off-by: Weigang Li <weigang.li@intel.com>
Closes #5846
2017-03-22 17:58:47 -07:00
Brian Behlendorf 3ec3bc2167 OpenZFS 7793 - ztest fails assertion in dmu_tx_willuse_space
Reviewed by: Steve Gonczi <steve.gonczi@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

Background information: This assertion about tx_space_* verifies that we
are not dirtying more stuff than we thought we would. We “need” to know
how much we will dirty so that we can check if we should fail this
transaction with ENOSPC/EDQUOT, in dmu_tx_assign(). While the
transaction is open (i.e. between dmu_tx_assign() and dmu_tx_commit() —
typically less than a millisecond), we call dbuf_dirty() on the exact
blocks that will be modified. Once this happens, the temporary
accounting in tx_space_* is unnecessary, because we know exactly what
blocks are newly dirtied; we call dnode_willuse_space() to track this
more exact accounting.

The fundamental problem causing this bug is that dmu_tx_hold_*() relies
on the current state in the DMU (e.g. dn_nlevels) to predict how much
will be dirtied by this transaction, but this state can change before we
actually perform the transaction (i.e. call dbuf_dirty()).

This bug will be fixed by removing the assertion that the tx_space_*
accounting is perfectly accurate (i.e. we never dirty more than was
predicted by dmu_tx_hold_*()). By removing the requirement that this
accounting be perfectly accurate, we can also vastly simplify it, e.g.
removing most of the logic in dmu_tx_count_*().

The new tx space accounting will be very approximate, and may be more or
less than what is actually dirtied. It will still be used to determine
if this transaction will put us over quota. Transactions that are marked
by dmu_tx_mark_netfree() will be excepted from this check. We won’t make
an attempt to determine how much space will be freed by the transaction
— this was rarely accurate enough to determine if a transaction should
be permitted when we are over quota, which is why dmu_tx_mark_netfree()
was introduced in 2014.

We also won’t attempt to give “credit” when overwriting existing blocks,
if those blocks may be freed. This allows us to remove the
do_free_accounting logic in dbuf_dirty(), and associated routines. This
logic attempted to predict what will be on disk when this txg syncs, to
know if the overwritten block will be freed (i.e. exists, and has no
snapshots).

OpenZFS-issue: https://www.illumos.org/issues/7793
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/3704e0a
Upstream bugs: DLPX-32883a
Closes #5804 

Porting notes:
- DNODE_SIZE replaced with DNODE_MIN_SIZE in dmu_tx_count_dnode(),
  Using the default dnode size would be slightly better.
- DEBUG_DMU_TX wrappers and configure option removed.
- Resolved _by_dnode() conflicts these changes have not yet been
  applied to OpenZFS.
2017-03-07 09:51:59 -08:00
Tom Caputi 0b04990a5d Illumos Crypto Port module added to enable native encryption in zfs
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 <tcaputi@datto.com>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4329
2016-07-20 10:43:30 -07:00
Brian Behlendorf 63e0828c17 Fix WANT_DEVNAME2DEVID configure error
Accidentally introduced by commit e4023e4.  The AM_CONDITIONAL
cannot be located where it can be invoked conditionally, as in
the `--with-config=user` case.  Relocate it to the top level
ZFS_AC_CONFIG macro along with the other AM_CONDITIONALs.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #4416
2016-04-01 09:06:54 -07:00
Gvozden Neskovic fc0c72b167 Support for vectorized algorithms on x86
This is initial support for x86 vectorized implementations of ZFS parity
and checksum algorithms.

For the compilation phase, configure step checks if toolchain supports relevant
instruction sets. Each implementation must ensure that the code is not passed
to compiler if relevant instruction set is not supported. For this purpose,
following new defines are provided if instruction set is supported:
	- HAVE_SSE,
	- HAVE_SSE2,
	- HAVE_SSE3,
	- HAVE_SSSE3,
	- HAVE_SSE4_1,
	- HAVE_SSE4_2,
	- HAVE_AVX,
	- HAVE_AVX2.

For detecting if an instruction set can be used in runtime, following functions
are provided in (include/linux/simd_x86.h):
	- zfs_sse_available()
	- zfs_sse2_available()
	- zfs_sse3_available()
	- zfs_ssse3_available()
	- zfs_sse4_1_available()
	- zfs_sse4_2_available()
	- zfs_avx_available()
	- zfs_avx2_available()
	- zfs_bmi1_available()
	- zfs_bmi2_available()

These function should be called once, on module load, or initialization.
They are safe to use from user and kernel space.
If an implementation is using more than single instruction set, both compiler
and runtime support for all relevant instruction sets should be checked.

Kernel fpu methods:
	- kfpu_begin()
	- kfpu_end()

Use __get_cpuid_max and __cpuid_count from <cpuid.h>
Both gcc and clang have support for these. They also handle ebx register
in case it is used for PIC code.

Signed-off-by: Gvozden Neskovic <neskovic@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <tuxoko@gmail.com>
Closes #4381
2016-03-21 09:24:34 -07:00
Brian Behlendorf 6bb24f4dc7 Add the ZFS Test Suite
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 <turbo@bayour.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #6
Closes #1534
2016-03-16 13:46:16 -07:00
Carlo Landmeter c53fb0113c Add support for alpine linux
Both Alpine Linux and Gentoo use OpenRC so we share its logic

Signed-off-by: Carlo Landmeter <clandmeter@gmail.com>
Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #4386
2016-03-08 13:19:53 -08:00
Brian Behlendorf c2d17fd891 Disable gcc bool-compare warning
As of gcc version 5.1.1 a new boolean comparison warning has been
introduced.  This warning is harmless but is triggered several places
in the ZFS code base.  Because warnings are promoted to errors when
building with debugging enabled it is necessary to disable the warning
when using versions of gcc which automatically enabling this check.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2015-07-13 12:55:26 -07:00
Turbo Fredriksson 2cac7f5f11 Initramfs scripts for ZoL.
* Supports booting of a ZFS snapshot.
  Do this by cloning the snapshot into a dataset. If this, the resulting
  dataset, already exists, destroy it. Then mount it on root.
  * If snapshot does not exist, use base dataset (the part before '@')
    as boot filesystem instead.
  * If no snapshot is specified on the 'root=' kernel command line, but there
    is an '@', then get a list of snapshots below that filesystem and ask the
    user which to use.
  * Clone with 'mountpoint=none' and 'canmount=noauto' - we mount manually
    and explicitly.
    * For sub-filesystems, that doesn't have a mountpoint property set, we use
      the 'org.zol:mountpoint' to keep track of it's mountpoint.
  * Allow rollback of snapshots instead of clone it and boot from the clone.
* Allow mounting a root- and subfs with mountpoint=legacy set
* Allow mounting a filesystem which is using nativ encryption.
* Support all currently used kernel command line arguments
  All the different distributions have their own standard on what to specify
  on the kernel command line to boot of a ZFS filesystem.
  * Extra options:
    * zfsdebug=(on,yes,1)	Show extra debugging information
    * zfsforce=(on,yes,1)	Force import the pool
    * rollback=(on,yes,1)	Rollback (instead of clone) the snapshot
* Only try to import pool if it haven't already been imported
  * This will negate the need to force import a pool that have not been exported cleanly.
  * Support exclusion of pools to import by setting ZFS_POOL_EXCEPTIONS in /etc/default/zfs.
* Support additional configuration variable ZFS_INITRD_ADDITIONAL_DATASETS
  to mount additional filesystems not located under your root dataset.
* Include /etc/modprobe.d/{zfs,spl}.conf in the initrd if it/they exist.
* Include the udev rule to use by-vdev for pool imports.
* Include the /etc/default/zfs file to the initrd.
* Only try /dev/disk/by-* in the initrd if USE_DISK_BY_ID is set.
  * Use /dev/disk/by-vdev before anything.
  * Add /dev as a last ditch attempt.
  * Fallback to using the cache file if that exist if nothing else worked.
* Use /sbin/modprobe instead of built-in (BusyBox) modprobe.
  This gets rid of the message "modprobe: can't load module zcommon".
  Thanx to pcoultha for finding this.

Signed-off-by: Turbo Fredriksson <turbo@bayour.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2116
Closes #2114
2015-07-08 18:14:34 -07:00
Turbo Fredriksson 2a34db1bdb Base init scripts for SYSV systems
* Based on the init scripts included with Debian GNU/Linux, then take code
  from the already existing ones, trying to merge them into one set of
  scripts that will work for 'everyone' for better maintainability.
  * Add configurable variables to control the workings of the init scripts:
    * ZFS_INITRD_PRE_MOUNTROOT_SLEEP
      Set a sleep time before we load the module (used primarily by initrd
      scripts to allow for slower media (such as  USB devices etc) to be
      availible before we load the zfs module).
    * ZFS_INITRD_POST_MODPROBE_SLEEP
      Set a timed sleep in the initrd to after the load of the zfs module.
    * ZFS_INITRD_ADDITIONAL_DATASETS
      To allow for mounting additional datasets in the initrd. Primarily used
      in initrd scripts to allow for when filesystem needed to boot (such as
      /usr, /opt, /var etc) isn't directly under the root dataset.
    * ZFS_POOL_EXCEPTIONS
      Exclude pools from being imported (in the initrd and/or init scripts).
    * ZFS_DKMS_ENABLE_DEBUG, ZFS_DKMS_ENABLE_DEBUG_DMU_TX, ZFS_DKMS_DISABLE_STRIP
      Set to control how dkms should build the dkms packages.
    * ZPOOL_IMPORT_PATH
      Set path(s) where "zpool import" should import pools from.
      This was previously the job of "USE_DISK_BY_ID" (which is still used
      for backwards compatibility) but was renamed to allow for better
      control of import path(s).
      * If old USE_DISK_BY_ID is set, but not new ZPOOL_IMPORT_PATH, then we
        set ZPOOL_IMPORT_PATH to sane defaults just to be on the safe side.
    * ZED_ARGS
      To allow for local options to zed without having to change the init script.
  * The import function, do_import(), imports pools by name instead of '-a'
    for better control of pools to import and from where.
    * If USE_DISK_BY_ID is set (for backwards compatibility), but isn't 'yes'
      then ignore it.
    * If pool(s) isn't found with a simple "zpool import" (seen it happen),
      try looking for them in /dev/disk/by-id (if it exists). Any duplicates
      (pools found with both commands) is filtered out.
      * IF we have found extra pool(s) this way, we must force USE_DISK_BY_ID
        so that the first, simple "zpool import $pool" is able to find it.
    * Fallback on importing the pool using the cache file (if it exists) only
      if 'simple' import (either with ZPOOL_IMPORT_PATH or the 'built in'
      defaults) didn't work.
  * The export function, do_export(), will export all pools imported, EXCEPT
    the root pool (if there is one).
  * ZED script from the Debian GNU/Linux packages added.
    * Refreshed ZED init script from behlendorf@5e7a660 to be portable so it
      may be used on both LSB and Redhat style systems.
    * If there is no pool(s) imported and zed successfully shut down, we will
      unload the zfs modules.
  * The function library file for the ZoL init script is installed as
    /etc/init.d/zfs-functions.
  * The four init scripts, the /etc/{defaults,sysconfig,conf.d}/zfs config file
    as well as the common function library is tagged as '%config(noreplace)' in
    the rpm rules file to make sure they are not replaced automatically if locally
    modifed.
  * Pitfals and workarounds:
    * If we're running from init, remove stale /etc/dfs/sharetab before importing
      pools in the zfs-import init script.
    * On Debian GNU/Linux, there's a 'sendsigs' script that will kill basically
      everything quite early in the shutdown phase and zed is/should be stopped
      much later than that. We don't want zed to be among the ones killed, so add
      the zed pid to list of pids for 'sendsigs' to ignore.
    * CentOS uses echo_success() and echo_failure() to print out status of
      command. These in turn uses "echo -n \0xx[etc]" to move cursor and choose
      colour etc. This doesn't work with the modified IFS variable we need to
      use in zfs-import for some reason, so work around that when we define
      zfs_log_{end,failure}_msg() for RedHat and derivative distributions.
  * All scripts passes ShellCheck (with one false positive in do_mount()).

Signed-off-by: Turbo Fredriksson turbo@bayour.com
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Richard Yao <ryao@gentoo.org>
Reviewed by: Chris Dunlap <cdunlap@llnl.gov>
Closes #2974
Closes #2107
2015-05-28 14:14:53 -07:00
Brian Behlendorf ee2ca1db28 Add RHEL style kmod packages
Provide a Redhat specific zfs-kmod.spec file which uses the old style
kmods (not kmods2) packaging.  By using the provided kmodtool script
packages can be built which support weak modules.  This allows for the
kernel to be updated without having to rebuild the ZFS kernel modules.

Packages for RHEL/Centos/SL/TOSS which use this spec file can by built
as follows:

$ ./configure --with-spec=redhat
$ make rpms

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2015-03-27 14:41:48 -07:00
Brian Behlendorf d820d2e9cf Remove rpm/fedora directory
Originally it was thought that custom spec files might be required
for Fedora.  Happily that has turns out not to be the case.  Since
this directory just contains symlinks to the generic spec files it
can be removed.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2015-03-27 14:30:58 -07:00
Brian Behlendorf 1139491da7 Revert "Disable GCCs aggressive loop optimization"
This reverts commit 0f62f3f9ab.

Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2010
2014-07-22 09:56:55 -07:00
Turbo Fredriksson 2ee4e7da90 Accept udev and dracut paths specified by ./configure
There are two common locations where udev and dracut components are
commonly installed.  When building packages using the 'make rpm|deb'
targets check those common locations and pass them to rpmbuild.  For
non-standard configurations these values can be provided by the
the following configure options:

  --with-udevdir=DIR      install udev helpers [default=check]
  --with-udevruledir=DIR  install udev rules [[UDEVDIR/rules.d]]
  --with-dracutdir=DIR    install dracut helpers [default=check]

When rebuilding using the source packages the per-distribution
default values specified in the spec file will be used.  This is
the preferred way to build packages for a distribution but the
ability to override the defaults is provided as a convenience.

Signed-off-by: Turbo Fredriksson <turbo@bayour.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2310
Closes #1680
2014-06-11 16:32:57 -07:00
Turbo Fredriksson 69c7bdb6e7 Accept kernel source dir(s) specified by ./configure
This adds ability to set the location of the kernel via defines
when building from the spec files.  This is useful when building
against a kernel installed in a non-standard location.

Signed-off-by: Turbo Fredriksson <turbo@bayour.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1874
2014-06-05 13:46:49 -07:00
Brian Behlendorf 0f62f3f9ab Disable GCCs aggressive loop optimization
GCC >+ 4.8's aggressive loop optimization breaks some of the iterators
over the dn_blkptr[] pseudo-array in dnode_phys. Since dn_blkptr[] is
defined as a single-element array, GCC believes an iterator can only
access index 0 and will unroll the loop into a single iteration.

One way to resolve the issue would be to cast the array to a pointer
and fix all the iterators that might break.  The only loop where it
is known to cause a problem is this loop in dmu_objset_write_ready():

    for (i = 0; i < dnp->dn_nblkptr; i++)
            bp->blk_fill += dnp->dn_blkptr[i].blk_fill;

In the common case where dn_nblkptr is 3, the loop is only executed a
single time and "i" is equal to 1 following the loop.

The specific breakage caused by this problem is that the blk_fill of
root block pointers wouldn't be set properly when more than one blkptr
is in use (when no indrect blocks are needed).

The simple reproducing sequence is:

zpool create tank /tank.img
zdb -ddddd tank 0

Notice that "fill=31", however, there are two L0 indirect blocks with
"F=31" and "F=5". The fill count should be 36 rather than 31. This
problem causes an assert to be hit in a simple "zdb tank" when built
with --enable-debug.

However, this approach was not taken because we need to be absolutely
sure we catch all instances of this unwanted optimization.  Therefore,
the build system has been updated to detect if GCC supports the
aggressive loop optimization.  If it does the optimization will be
explicitly disabled using the -fno-aggressive-loop-optimization option.

Original-fix-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2010
Closes #2051
2014-01-14 13:55:58 -08:00
Brian Behlendorf e013670550 Set RPM_DEFINE_COMMON options
When the kmod packaging was introduced the ability to pass the
--enable-debug and --enable-dmu-tx options from configure all
the way through to `make rpm|deb` was accidenally lost.  Update
ZFS_AC_RPM to explicitlu set RPM_DEFINE_COMMON with these
rpmbuild defines.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1402
2013-04-24 16:18:55 -07:00
Brian Behlendorf f3757573a6 Refresh RPM packaging
Refresh the existing RPM packaging to conform to the 'Fedora
Packaging Guidelines'.  This includes adopting the kmods2
packaging standard which is used fod kmods distributed by
rpmfusion for Fedora/RHEL.

  http://fedoraproject.org/wiki/Packaging:Guidelines
  http://rpmfusion.org/Packaging/KernelModules/Kmods2

While the spec files have been entirely rewritten from a
user perspective the only major changes are:

* The Fedora packages now have a build dependency on the
  rpmfusion repositories.  The generic kmod packages also
  have a new dependency on kmodtool-1.22 but it is bundled
  with the source rpm so no additional packages are needed.

* The kernel binary module packages have been renamed from
  zfs-modules-* to kmod-zfs-* as specificed by kmods2.

* The is now a common kmod-zfs-devel-* package in addition
  to the per-kernel devel packages.  The common package
  contains the development headers while the per-kernel
  package contains kernel specific build products.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1341
2013-03-18 15:33:17 -07:00
Brian Behlendorf 0da31cd6ca Remove ARCH packaging
The kernel modules are now available in the Arch User Repository
(AUR) via zfs.  Since their packaging is maintained and superior
to ours it is being removed from the tree.

  https://wiki.archlinux.org/index.php/ZFS

Now that various distributions are picking up the packages we
should eventually be able to remove most of this infrastructure.
Packaging belongs with the distributions not upstream.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2013-03-06 15:46:41 -08:00
Etienne Dechamps 319a99a3d4 Make configure builtin-aware.
This patch adds a new option to configure: --enable-linux-builtin. When
this option is used, the following happens:

 - Compilation of kernel modules is disabled.

 - A failure to find UTS_RELEASE is followed by a suggestion to run
   "make prepare" on the kernel source tree.

This patch also adds a new test which tries to compile an empty module
as a basic toolchain sanity test. If it fails and the option was
specified, the error is followed by a suggestion to run "make scripts"
on the kernel source tree.

Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #851
2012-07-26 13:40:18 -07:00
Brian Behlendorf 1c5de20ae2 Add --enable-debug-dmu-tx configure option
Allow rigorous (and expensive) tx validation to be enabled/disabled
indepentantly from the standard zfs debugging.  When enabled these
checks ensure that all txs are constructed properly and that a dbuf
is never dirtied without taking the correct tx hold.

This checking is particularly helpful when adding new dmu consumers
like Lustre.  However, for established consumers such as the zpl
with no known outstanding tx construction problems this is just
overhead.

--enable-debug-dmu-tx  - Enable/disable validation of each tx as
--disable-debug-dmu-tx   it is constructed.  By default validation
                         is disabled due to performance concerns.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2012-03-23 12:25:17 -07:00
Richard Yao 76c2b24c61 Fix distribution detection
Improve the distribution detection by moving the tests for
distribution specific files first.  The Ubuntu and Debian
checks are left for last because they are the least likely
to be unique.  This is particularly true in the case of Debian
since so many distributions are based on Debian.

Since this is currently only used to identify the correct
packaging method for this system the result in many instances
is simply cosmetic.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2012-03-05 10:38:27 -08:00
Brian Behlendorf 4b787d75c8 Cleanly support debug packages
Allow a source rpm to be rebuilt with debugging enabled.  This
avoids the need to have to manually modify the spec file.  By
default debugging is still largely disabled.  To enable specific
debugging features use the following options with rpmbuild.

  '--with debug'               - Enables ASSERTs

  # For example:
  $ rpmbuild --rebuild --with debug zfs-modules-0.6.0-rc6.src.rpm

Additionally, ZFS_CONFIG has been added to zfs_config.h for
packages which build against these headers.  This is critical
to ensure both zfs and the dependant package are using the same
prototype and structure definitions.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2012-02-27 14:08:17 -08:00
Prakash Surya 58d956b085 Run ZFS_AC_PACMAN only if $VENDOR is "arch"
Unfortunately, Arch's package manager `pacman` shares it's name with a
popular arcade video game. Thus, in order to refrain from executing the
video game when we mean to execute the package manager, ZFS_AC_PACMAN is
now only run when $VENDOR is determined to be "arch".

Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #517
2012-01-13 09:03:11 -08:00
Prakash Surya 8eaa020b46 Move Arch Linux's VENDOR check above Ubuntu's
If the lsb-release package is installed on an Arch Linux distribution,
the configure step will incorrectly detect the running distribution as
Ubuntu. This is a result of both distributions providing an
/etc/lsb-release file, and the Ubuntu VENDOR check being performed
first.

Since the Arch Linux test check's for a file more specific to the Arch
Linux distribution, moving Arch Linux's VENDOR check above Unbuntu's
check provides a quick and easy solution.

Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2011-12-19 12:05:10 -08:00
Prakash Surya 6ba3b44614 Add make rule for building Arch Linux packages
Added the necessary build infrastructure for building packages
compatible with the Arch Linux distribution. As such, one can now run:

    $ ./configure
    $ make pkg     # Alternatively, one can run 'make arch' as well

on the Arch Linux machine to create two binary packages compatible with
the pacman package manager, one for the zfs userland utilities and
another for the zfs kernel modules. The new packages can then be
installed by running:

    # pacman -U $package.pkg.tar.xz

In addition, source-only packages suitable for an Arch Linux chroot
environment or remote builder can also be build using the 'sarch' make
rule.

NOTE: Since the source dist tarball is created on the fly from the head
of the build tree, it's MD5 hash signature will be continually influx.
As a result, the md5sum variable was intentionally omitted from the
PKGBUILD files, and the '--skipinteg' makepkg option is used. This may
or may not have any serious security implications, as the source tarball
is not being downloaded from an outside source.

Signed-off-by: Prakash Surya <surya1@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #491
2011-12-14 19:14:23 -08:00
Kyle Fuller 615ab66d18 Provide a rc.d script for archlinux
Unlike most other Linux distributions archlinux installs its
init scripts in /etc/rc.d insead of /etc/init.d.  This commit
provides an archlinux rc.d script for zfs and extends the
build infrastructure to ensure it get's installed in the
correct place.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #322
2011-07-11 14:12:23 -07:00
Brian Behlendorf 2e08aedba4 Always check -Wno-unused-but-set-variable gcc support
The previous commit 8a7e1ceefa 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.
2011-06-14 16:40:35 -07:00
Alexey Shvetsov d9bfe0f57a Fix distribution detection for gentoo
Also this may fix other distros because some of them also provide
/etc/lsb-release not only ubuntu.

Closes #244
2011-05-14 08:54:48 -07:00
Brian Behlendorf 712f8bd87b Add Gentoo/Lunar/Redhat Init Scripts
Every distribution has slightly different requirements for their
init scripts.  Because of this the zfs package contains several
init scripts for various distributions.  These scripts have been
contributed by, and are supported by, the larger zfs community.
Init scripts for Gentoo/Lunar/Redhat have been contributed by:

  Gentoo - devsk <devsku@gmail.com>
  Lunar  - Jean-Michel Bruenn <jean.bruenn@ip-minds.de>
  Redhat - Fajar A. Nugraha <list@fajar.net>
2011-05-02 15:59:13 -07:00
Brian Behlendorf 01c0e61da0 Add init scripts
To support automatically mounting your zfs on filesystem on boot
a basic init script is needed.  Unfortunately, every distribution
has their own idea of the _right_ way to do things.  Rather than
write one very complicated portable init script, which would be
invariably replaced by the distributions own anyway.  I have
instead added support to provide multiple distribution specific
init scripts.

The correct init script for your distribution will be selected
by ZFS_AC_DEFAULT_PACKAGE which will set DEFAULT_INIT_SCRIPT.
During 'make install' the correct script for your system will
be installed from zfs/etc/init.d/zfs.DEFAULT_INIT_SCRIPT to the
usual /etc/init.d/zfs location.

Currently, there is zfs.fedora and a more generic zfs.lsb init
script.  Hopefully, the distribution maintainers who know best
how they want their init scripts to function will feedback their
approved versions to be included in the project.

This change does not consider upstart jobs but I'm not at all
opposed to add that sort of thing.
2011-03-17 16:51:54 -07:00
Brian Behlendorf 6283f55ea1 Support custom build directories and move includes
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.
2010-09-08 12:38:56 -07:00
Brian Behlendorf 302ef1517e Add linux zpios support
Linux kernel implementation of PIOS test app.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
2010-08-31 13:42:01 -07:00
Brian Behlendorf c9c0d073da Add build system
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.
2010-08-31 13:41:27 -07:00
Brian Behlendorf 42baae9615 Removed build system from master branch, will relocate to linux-zfs-branch 2008-12-01 15:38:41 -08:00
Brian Behlendorf 62b749c8c8 Working version of M4 macro config 2008-11-26 15:32:39 -08:00
Brian Behlendorf f0e648ca02 Make everything a M4 macro, it's just cleaner that way 2008-11-26 14:29:45 -08:00
Brian Behlendorf e833fd4a5c Additional buidl system cleanup. Starting to move all
of the kernel specific build info in to config/kernel,
likewise and user specific build flags should go in
config/user.  This seems like a reasonable way to go.
2008-11-26 14:06:23 -08:00
Brian Behlendorf dbceaca71d Prefix META_ALIAS with ZFS_ 2008-11-26 13:28:44 -08:00
Brian Behlendorf c9a9137956 First step of META build system cleanup 2008-11-26 12:53:24 -08:00
Brian Behlendorf 536640fe29 Minor autoconf build fixes:
Fixed BUILDDIR in config/*
Added missing " to ZFS_AC_SCRIPT_CONFIG macro
Removed autoconf/Makefile
2008-11-24 11:56:48 -08:00
Brian Behlendorf a54f863a14 Restructure autoconf around ./config directory 2008-11-24 11:16:19 -08:00