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Create a new table output format that concisely shows multiple devices
on one line.
dmsetup table --concise [device...]
<dev_name>,<uuid>,<flags>[,<table>]*[;<dev_name>,<uuid>,<flags>[,<table>]*]*
Table lines are separated by commas.
Devices are separated by semi-colons.
Flags is currently 'ro' or 'rw' (and might be extended in a
yet-to-be-defined way in future).
Any comma, semi-colon or backslash within a field is quoted by a
preceding backslash.
The format can later be supplied as input to dmsetup or even to the
booting kernel as an alternative way to set up devices.
Based on patches submitted by
Enric Balletbo i Serra <enric.balletbo@collabora.com>.
Add an independent command definition for "vgchange --locktype",
and split the implementation out of the set of common metadata
changes. It is unlike normal metadata changes, and can only
be run by itself. (Changing the lock type is similar in
principle to changing the VG name or the VG system ID; it
effects the ability of any host to see or access the VG.)
At some point this command lost the ability to forcibly change
the lock type of a shared VG to "none" (making it a local VG).
This can be necessary to repair shared VGs (e.g. recovery steps
that occur in vg_read are disabled for shared VGs because
they are not locked properly, or recovering sanlock locks
when the PV holding them is lost.)
"vgchange --locktype none --lockopt force VG" is used as the
method of forcing the shared VG to become local so that it
can be repaired.
Since _deactivate_and_remove_lvs() is used in more then one place,
move the needed udev synchronization into this function so other
users automatically get correct fs state before next dm manipulation.
Assumption here is that this udev synchronization 'delay' may also
prevent to 'early' table reloads which might cause kernel problems
for md-core - but we may need more generic time-limited reload
frequency for raid devices.
Note: on udev-less system there will be almost no delay.
Commit 8a912d6dbc missed the wrong logic,
we use 2 vars 'dev' & 'mddev' and their usage can't be mixed.
So correctly separate them so mddev keeps name of MD device.
During test do a more close selection of visible devices.
If some test leaks a device with LVMTEST prefix, next
test should not be influnced (or parallel running one).
If the test is running in non-/dev dir - it's already protected
by full path with $PREFIX in it - however it test is running
in real /dev dir - there was no such protection and test
were confused when they have seen such leaked device.
Commit 9b4b5d449e started to accept
rather way to wide set of strings we do not want to take for size.
i.e. lvresize -t vg0/lvol0 -LNaNM
Restore check for 'digit || locales defined 'dot' | '.'
(as we tend to take '.' even if locales uses ',')
Explictely detect duplicate sing symbols and leave the rest of
double number validation on 'strtod()' function. This way
we can also accept size like:
lvcreate -L.1M
We already accept -L0.1M - but it's common to accept numbers
starting with leading '.' - just as 'strtod()' accepts it).
API for strtod() or strtoul() needs reset of errno, before it's being
called. So add missing resets in missing places and some also some
errno validation for out-of-range numbers.
Since we are reading size as (double) we can get way bigger
number then just plain int64. So to make this check actually
more valid and usable do a maxsize compare in 'double'.
Avoid reading already released memory and do a continue directly.
Invalid read of size 1
at 0x1201B0: main_loop (clvmd.c:931)
by 0x11F640: main (clvmd.c:666)
Address 0x72ddef0 is 32 bytes inside a block of size 224 free'd
at 0x4C30D18: free (vg_replace_malloc.c:530)
by 0x54D6FD1: dm_free_wrapper (dbg_malloc.c:357)
by 0x122E6E: process_work_item (clvmd.c:2034)
by 0x123003: lvm_thread_fn (clvmd.c:2085)
by 0x590A3A8: start_thread (pthread_create.c:465)
by 0x5C3C7FE: clone (in /usr/lib64/libc-2.25.90.so)
Block was alloc'd at
at 0x4C2FB6B: malloc (vg_replace_malloc.c:299)
by 0x54D6EF1: dm_malloc_aux (dbg_malloc.c:286)
by 0x54D6F1C: dm_zalloc_aux (dbg_malloc.c:291)
by 0x54D6F96: dm_zalloc_wrapper (dbg_malloc.c:345)
by 0x11F89C: local_rendezvous_callback (clvmd.c:731)
by 0x1203D2: main_loop (clvmd.c:964)
by 0x11F640: main (clvmd.c:666)
Initialize mutex upfront any debugging and fix this report:
Mutex reinitialization: mutex 0x485d20, recursion count 0, owner 1.
at 0x4C38480: pthread_mutex_init_intercept (drd_pthread_intercepts.c:821)
by 0x4C38480: pthread_mutex_init (drd_pthread_intercepts.c:830)
by 0x11F359: main (clvmd.c:562)
mutex 0x485d20 was first observed at:
at 0x4C38F63: pthread_mutex_lock_intercept (drd_pthread_intercepts.c:885)
by 0x4C38F63: pthread_mutex_lock (drd_pthread_intercepts.c:898)
by 0x11E920: debuglog (clvmd.c:254)
by 0x11F1D8: main (clvmd.c:527)
Switch from warn to log_error since this generated
failing return code for command so printing log_error()
is mandatory.
Happens with i.e. pvscan --cache meets crashing lvmetad.
Commit 34504855a7 introduced
flag LV_RESHAPE_DATA_OFFSET and used it to avoid incompatible
activation on older runtime.
Enhance vg_validate() raid checking functions with checks for it.
