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Use builddir not srcdir with make pofile.
Append 'incfile:' lines to %.d files to handle newly-missing dependencies
without 'make clean' after a file is moved or deleted.
This breaks brew/koji as DESTDIR should not be contained in any file and
results in message like:
+ /usr/lib/rpm/check-buildroot
/builddir/build/BUILDROOT/lvm2-2.02.106-0.311.el7.x86_64/usr/share/man/man8/lvm2-activation-generator.8:.B /builddir/build/BUILDROOT/lvm2-2.02.106-0.311.el7.x86_64/usr/lib/systemd/system-generators/lvm2-activation-generator
Found '/builddir/build/BUILDROOT/lvm2-2.02.106-0.311.el7.x86_64' in installed files; aborting
error: Bad exit status from /var/tmp/rpm-tmp.UfX2SX (%install)
The commit splits original clvmd service in two new native services
for systemd enabled systems while original init scripts remain unaltered.
New systemd native services:
1) clvmd daemon itself (lvm2_clvmd_red_hat.service.in)
2) (de)activation of clustered VGs (lvm2_cluster_activation_red_hat.service.in)
There're several reasons to split it. First, there's no support for conditional
stop in systemd and AFAIK they don't plan to support it. In other words:
if the deactivation fails for some reason, systemd doesn't care and will simply
kill all remaining processes in original cgroup (by default). Killing the
remaining procs can be suppressed however it doesn't solve the following problem:
You can't repeat the stop command of a failed service. The repeated stop command
is simply not propagated to the service in a failed state. You would have to start
and then try to stop the service again. Unfortunately, this can't be done while
the daemon is still running (and we need the daemon to stay active until all
clustered VGs are deactivated properly).
In a separated setup we need only to restart the failed activation service and
that's fine.
The PIE and RELRO compiler/linker options can be used to produce a code
some techniques applied that makes the code more immune to some attacks:
- PIE (Position Independent Executable). It can make use of the ASLR
(Address Space Layout Randomization) provided by kernel to avoid
static locations for .text regions of executables (this is the 'pie'
compiler and linker option)
- RELRO (Relocation Read-Only). This prevents overwrite attacks of
the GOT (Global Offset Table) and PLT (Procedure Lookup Table)
used for relocations by making it read-only after all relocations
are resolved (these are the 'relro' and 'now' linker options) -
hence all symbols are resolved at the very start so there's no
need for those tables to be writeable later.
These compiler/linker options are now used by default for daemons
if the compiler/linker supports it.
In the case we have a dir with multiple objects and for
an individual object file we need special define -
allow to define it without adding extra rules.
To ensure dmeventd.o compilation will use EXTRA_FLAGS:
CFLAGS_dmeventd.o += $(EXTRA_FLAGS)
Then it's better to use:
dmeventd.o: CFLAGS += $(EXTRA_FLAGS)
Use configure --enable-python_bindings to generate them.
Note that the Makefiles do not yet control the owner or permissions of
the two new files on installation.
Add make help target.
Add LVM_TEST_PARALLEL to support parallel runs of tests
Work around the problem the dmsetup table/info may return error
by using dmtable and dminfo function that will use 'should'.
(Error happens when some concurently running process removes table
entry while dmsetup command resolves table entries inside the loop.)
/etc/tmpfiles.d directory holds configuration files for temporary/volatile
files and directories that should be automatically managed. For example,
if we have some parts of the fs hierarchy on tmpfs, we'd like to recreate
some files or directories on every boot so they're always prepared for use.
Systemd can read such configuration files. For now, the lock and run directory
are the ones that are most probably placed on tmpfs. If this is the case, we
can install the configuration by 'make install_tmpfiles_configuration'.
Use gcc warning options only for .c -> .o compilation
So it makes the output more clear.
Do not use INCLUDES and DEFS for .o -> .so.
Do not use CFLAGS for deps .d generation.
udev may also need to be disabled if you didn't build it statically too.
dmeventd.static could be fixed with some more work but I don't really see the
point: without dlopen() it's useless, and if you have dlopen(), why not support
normal shared libraries too?
Adding debuging functionality to lock and unlock memory pool.
2 ways to debug code:
crc - is default checksum/hash of the locked pool.
It gets slower when the pool is larger - so the check is only
made when VG is finaly released and it has been used more then
once.Thus the result is rather informative.
mprotect - quite fast all the time - but requires more memory and
currently it is using posix_memalign() - this could be
later modified to use dm_malloc() and align internally.
Tool segfaults when locked memory is modified and core
could be examined for faulty code section (backtrace).
Only fast memory pools could use mprotect for now -
so such debug builds cannot be combined with DEBUG_POOL.
Updated patch from Florian Haas from Linux-HA project.
User needs to 'configure --enable-ocf' to get file installed
by 'make install' target by default.
User can also use 'make install_ocf' to get only ocf files installed.
With disabled (default) ocf support - no ocf files are installed.
FIXME: ocf installation path needs to be kept in sync with pacemaker.
find better way and possible also better location.
