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These are no longer used by anyone. The dm_list defines are all in
libdevmapper.h and libdm/datastruct/list.c contains any function definitions.
There is some code in "old-tests" that still use this but this code is not
being maintained.
Thanks to Zdenek for spotting this.
The physical_volume, volume_group, logical_volume and lv_segment
structures' 'status' member is now uint64_t.
The alignment of these structures was also audited to remove holes. The
movement of some members in 'volume_group' and 'lv_segment' eliminates
holes. The 'physical_volume' structure still has one 4-byte hole after
'pe_size'; the other structures no longer have any holes. Each
structures' size has not changed.
If the vg_read() returned error, no lock was taken,
so always call vg_release().
Otherwise this can happen because of missing FAILED_*:
# vgchange -a y x --ignorelockingfailure
Volume group "x" not found
Internal error: Attempt to unlock unlocked VG x
The sysfs filter initialise hash of available devices using
scan of /sys/block. We need to refresh even this hash
when performing full scan otherwise the newly appeared
device could be rejected, because there is no entry
in sysfs filter.
This easily could happen when attaching new device
to cluster node. (Only force refresh of context
in clvmd -R works here now).
Unfortunately consequences of this are much worse,
missing device part on that node is replaced with missing segment
(even when no partial arg is selected) and this directly
lead to data corruption.
See https://bugzilla.redhat.com/show_bug.cgi?id=538515
Simply fix it by refreshing device filters in lvmcache
before performing the full device scan.
(on one node a storage connection failed):
# vgchange -a y vg_bar ; echo $?
Error locking on node bar-02: Refusing activation of partial LV lv1. Use --partial to override.
1 logical volume(s) in volume group "vg_bar" now active
0
So activation fails on one node, error is correctly printed but
status code is wrong.
This patch fixes the top level (vgchange) to return proper code
(and print # of activated LVs).
(lvchange returns error properly here.)
(This affects only cluster locking because only cluster
locking module set LCK_PRE_MEMLOCK.)
With currect code you get
# vgchange -a n
Internal error: _memlock_count has dropped below 0.
when using cluster locking.
It is caused by _unlock_memory calls here
if ((flags & (LCK_SCOPE_MASK | LCK_TYPE_MASK)) == LCK_LV_RESUME)
memlock_dec();
Unfortunately it is also (wrongly) called in immediate unlock
(when LCK_HOLD is not set) from lock_vol
(LCK_UNLOCK is misinterpreted as LCK_LV_RESUME).
Avoid this by comparing original flags and provide memlock
code type of operation (suspend/resume).
All hidden (not visible) volumes should be activated through
other visible volumes.
(There are already exceptions like snapshot, mirror log and image,
which should be cleaned one day...)
This solves problems for future types of hidden volumes,
which can have special meaning and must not be activated implicitly
(e.g. key store volume).
This provides better support for environments where udev rules are installed
but udev_sync is not compiled in (however, using udev_sync is highly
recommended). It also provides consistent and expected functionality even
when '--noudevsync' option is used.
There is still requirement for kernel >= 2.6.31 for the flags to work though
(it uses DM cookies to pass the flags into the kernel and set them in udev
event environment that we can read in udev rules).
'last_rule' option has been removed from udev (version >= 147).
From now on, we require foreign rules to check and honor
ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG} instead. Foreign
rules should be skipped totally when this flag is set.
- fix missing unlocking of VG
lvcreate -l 100%PVS -n lv1 vg_test
Please specify physical volume(s) with %PVS
Internal error: Volume Group vg_test was not unlocked
- if no PVS specified, use all available
Fix segfault if %PVS in lvresize without PVs list.
indented metadata lines.
Macro outnl() is using exported out_newline() instead of direct
call f->fn(), that required the visibility of the internal
struct formatter.
