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Make sure there is 'control' node before clvmd is started.
Somehow 'clvmd' is not allowed by selinux to create one.
TODO: Check is selinux policy is right here...
In case someone wants to use @some_path@ that contains
prefix or exec_prefix and it's used in other files than Makefiles
(Makefiles used make.tmpl to expand these).
systemd-run is available in systemd>=205. Also, this fix prevents
systemd-specific udev rules in 69-dm-lvm-metad.rules to appear in
case systemd environment is not available - make configure to check
this automatically and use these systemd specific rules only if it
is applicable.
- closer to the recommendation of man-pages (7) if possible
- Add crossrefs
- Sort options and crossrefs
- Fix default timeout (60 secs) of -t
- Documents -I[auto]
Signed-off-by: Stéphane Aulery <saulery@free.fr>
- Closer to the recommendation of man-pages and groff_man (7) if
possible
- Sort options and crossrefs
- Relocate sub-options on the right places
Signed-off-by: Stéphane Aulery <saulery@free.fr>
ignore_vg now returns 0 for the FAILED_CLUSTERED case,
so all the ignore_vg 1 cases will return vg's with an
empty vg->pvs, so we do not need to iterate through
vg->pvs to remove the entries from the devices list.
Clean up whitespace problems in that area from the
previous commit.
- Fix problems with recent changes related to skipping in:
. _process_vgnameid_list
. _process_pvs_in_vgs
- Undo unnecessary changes to the code structure and readability.
- Preserve valid but minor changes:
. testing FAILED bit values in ignore_vg
. using "skip" value from ignore_vg instead of "ret" value
. applying the sigint check to the start of all loops
. setting stack backtrace when ECMD_PROCESSED is not returned,
i.e. apply the following pattern:
ret = process_foo();
if (ret != ECMD_PROCESSED)
stack;
if (ret > ret_max)
ret_max = ret;
Extend/fix d8923457b8 commit.
'skip'-ed VG is not holding any lock - so don't unlock such VG.
At the same time simplify the code around and relase VG at a single
place and unlock only not skiped and not ignored VGs.
Use log_warn when we are effectively not creating an error -
we 'allowed' inconsistent read for a reason - so it's just warning
level we process inconsistent VG - it's upto caller later to decide
error level of command return value and in case of error it needs
to use log_error then.
Rework ignore_vg() API so it properly handles
multiple kind of vg_read_error() states.
Skip processing only otherwise valid VG.
Always return ECMD_FAILED when break is detected.
Check sigint_caught() in front of dm iterator loop.
Add stack for _process failing ret codes.
Failed recovery provides different (NULL) VG then FAILED_INCONSISTENT.
Mark it with different failure bit - since FAILED_INCONSISTENT is
supposed to contain something 'usable' (thought inconsistent).
Move common code into shared internal fn so the logic for getting the
LV info as well LV segment status is not scattered around - call common
_do_info_and_status to gather required parts in reporting handlers.
- Add separate lv_status fn (if we're interested only in seg status,
but not lv info at the same time as it is with existing
lv_info_with_seg_status fn). So we 3 fns:
- lv_info (existing one, runs only info ioctl, fills in struct lvinfo only)
- lv_status (new one, runs status ioctl, fills in struct lv_seg_status only)
- lv_info_with_seg_status (existing one, runs status ioctl, fills
in struct lvinfo as well as lv_seg_status)
- Add more comments in the code explaining the difference between lv_info,
lv_status and lv_info_with_seg_status and their return values.
- Move decision whether lv_info_with_seg_status needs to call only
status ioctl (in case the segment for which we require status is from
the LV for which we require info) or separate status and info ioctl
(in case the segment for which we require status is from different
LV that the one for which we require info) into
lv_info_with_seg_status fn so caller doesn't need to bother about
this at all.
- Cleanup internal interface for this seg status so it's more readable.
Since we support device stack of pools over pool
(thin-pool with cache data volume) the existing code
is no longer able to detect orphan _pmspare.
So instead do a _pmspare check after volume removal,
and remove spare afterwards.
We need to stop guessing deleted names - so rather collect
deleted UUID into a string list - and then remove them properly
in _clean_tree. Restore origin _clean_tree behaviour them for
currently unconverted removal of snapshots.
Pending delete feature now properly tracks whole subtree of cache
(so i.e. data or metadata as raid volumes).
It properly replaces all related volumes with 'errors' in suspend
preload, then resume them as error and remove collected UUIDs
from root - since they are not longer part of any volume deps.
This would be in case the pool segment was not found.
LVM2.2.02.112/lib/metadata/pool_manip.c:238:36: warning: Access to field 'segtype' results in a dereference of a null pointer (loaded from variable 'pool_seg')
LVM2.2.02.112/lib/metadata/cache_manip.c:73: overflow_before_widen: Potentially overflowing expression "*pool_metadata_extents *vg->extent_size" with type "unsigned int" (32 bits, unsigned) is evaluated using 32-bit arithmetic, and then used in a context that expects an expression of type "uint64_t" (64 bits, unsigned).
LVM2.2.02.112/lib/activate/dev_manager.c:217: overflow_before_widen: Potentially overflowing expression "seg_status->seg->len * extent_size" with type "unsigned int" (32 bits, unsigned) is evaluated using 32-bit arithmetic, and then used in a context that expects an expression of type "uint64_t" (64 bits, unsigned).
LVM2.2.02.112/lib/activate/dev_manager.c:217: overflow_before_widen: Potentially overflowing expression "seg_status->seg->le * extent_size" with type "unsigned int" (32 bits, unsigned) is evaluated using 32-bit arithmetic, and then used in a context that expects an expression of type "uint64_t" (64 bits, unsigned).
LVM2.2.02.112/lib/activate/dev_manager.c:196:5: warning: 'dmtask' may be used uninitialized in this function [-Wmaybe-uninitialized]
In _info_run fn:
switch (type) {
case INFO:
...
case STATUS:
...
case MKNODES:
...
}
The "type" is enum and currently only those three types are supported,
but if we added a new type in the future, this would end up with a bug
(if we forgot to add the new "case" in that "switch"). So let's make
sure proper internal error is printed:
default:
log_error(INTERNAL_ERROR "_info_run: unhandled info type");
return 0;
LVM2.2.02.112/daemons/clvmd/clvmd.c:1131: warning[arrayIndexOutOfBoundsCond]: Array 'row[8]' accessed at index 8, which is out of bounds. Otherwise condition 'j==8' is redundant.
This code:
int i,j = 0;
...
for (i = 0; i < len; ++i) {
...
if ((j == 8) || (i + 1 == len)) {
for (;j < 8; ++j) {
...
}
...
j = 0;
}
}
Indeed - j is 0 at the beginning, then iterating till j < 8,
then always zeroed at the end of the outer loop - so "j" never
reaching value of 8 - the j == 8 condition is redundant.
