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Avoid possible udev race - since dmsetup create is
not using the same cookie logic as lvm2 commands,
try to avoid racing on some systems with udev scanning.
The option can be used in multiple ways (like --cachesettings):
--integritysettings key=val
--integritysettings 'key1=val1 key2=val2'
--integritysettings key1=val1 --integritysettings key2=val2
Use with lvcreate or lvconvert when integrity is first enabled
to configure:
journal_sectors
journal_watermark
commit_time
bitmap_flush_interval
allow_discards
Use with lvchange to configure (only while inactive):
journal_watermark
commit_time
bitmap_flush_interval
allow_discards
lvchange --integritysettings "" clears any previously configured
settings, so dm-integrity will use its own defaults.
lvs -a -o integritysettings displays configured settings.
Calculates expected size before/after reshapes adding/removing stripes
to/from RaidLVs with levels 4/5/6/10 and compares it with the actual
one the block layer shows. Stripes reshaped to are listed in the
tst_stripes variable. mkfs/fsck/resize2fs the respective RaidLVs
to confirm ext4 can be resized accordingly without issues.
SUSE kernels distribution enables CONFIG_PRINTK_CALLER by default.
One line of cat /dev/kmsg is like:
6,904,9506214456,-,caller=T24012;loop8: detected capacity change from 0
to 354304
If CONFIG_PRINTK_CALLER is off:
6,721,53563833,-;loop0: detected capacity change from 0 to 354304
',caller=T24012' is the redundant part needed to be handled.
Otherwise pos will be lager than buf size causing sz underflowed.
Then constructor of std::string will throw a exception to break
tests:
$ make check_local T=shell/000-basic.sh
VERBOSE=0 ./lib/runner \
--testdir . --outdir results \
--flavours ndev-vanilla --only shell/000-basic.sh --skip @
running 1 tests
running: [ndev-vanilla] shell/000-basic.sh
0:00.000Exception: basic_string::_M_create
make[1]: *** [Makefile:148: check_local] Error 1
make[1]: Leaving directory '/root/lvm2/test'
make: *** [Makefile:89: check_local] Error 2
Fix it with strchr for ';' as delimiter to get pos.
Reported-by: Su Yue <glass.su@suse.com>
Instead of using 'key state & key end' uint8_t* switch to use
void* key, & size_t keylen. This allows easier adaptation with
lvm code base with way too much casting with every use of function.
Also correctly mark const buffers to avoid compiled warnings and
casting.
Adapt the only bcache user ATM for API change.
Adapt unit test to match changed API.
When PVs are created on LVs, remove the devices file entries
for the PVs when the LVs are removed. In general, the devices
file entries should be removed with lvmdevices --deldev when
the LVs are removed (lvremove is the equivalent of detaching
a device from the system when layering PVs on LVs.)
This change is effectively an automatic lvmdevices --deldev
command that is built into lvremove when the LV has a PV on it.
lvm2 for a while already optimizes 'vgremove' operation to
a single commit when possible if all LVs can be
easily deactivated.
So the number of LVs doesn't matter much - but the tested
case 'test_delete_non_complete_job' seems to be taking
some time anyway to capture the exception.
So just reducing the running time of the test significatanly
as we don't need to create 64LVs for 4 'execution mode' runs.
Add slight delay for waiting until 'started' dmeventd is
responsing to other 'dmeventd -i' command.
TODO: race observed here is somewhat unclear, might need some more
details
There is no reason to wait for 10sec when removing 'vg' at test
exit - we just need to kill 'sleep 10' process forked from flock.
(Not using 'flock -F' as this flag is not across all machines used
for testing)
Look not only for whole 64byte sequence,
but seek also 32byte, 16byte and 8byte parts of the
key.
Currently to pass memcpy ZMM problems add possible
workaround in the form of GLIBC_TUNABLES setting.
Avoid using 'lvs' from 'get' shell - as that would wait until
whole group of processes is finished.
TODO: rethink what would be the point of starting 'dmeventd' with lvs.
It seems to break some rules.
Detect also presence of 'vdoformat' tool.
Fallback to 'kvdo' modprobe only when dm-vdo fails
(removed ugly error message from log)
Also add extra check for scsi model being present
so the test can wait a bit if 'scsi_debug' takes longer time.
No need for 'aux' within aux.
Let's move proc into include/configure.h so this define can
be easily used across the source base.
Configure defines it - but ATM we do not provide any configure
option to change it - there should be no need to ever change it.
Handle the case, where we 'kill -9' running dmeventd,
and restarting 'dmeventd -R' manages to still contact this
'zombie' damone and manages to get list of monitored devices
out of this and eventually 'run' new and in this case
unexpected instance of dmeventd.
Some test do expect event_activation to be set.
So add explicit configuring of this setting in tests,
but also add new default which kind of does it globally
as it's expected default (yet our testing rpms might
be create with disabled event_activation)
By adding this to each test individually - it's now easy
to locate such tests...
