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f874903a35
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1152 Commits

Author SHA1 Message Date
Zdenek Kabelac
f874903a35 Add stack trace for lv_reduce 
Use common code call with stack trace.

TODO: maybe the release_lv_segment_area()
should be actually able to return error code to upper level.
 2012-03-01 10:09:36 +00:00
Zdenek Kabelac
2455ce226d Fix leak of FID structure 2012-03-01 09:46:38 +00:00
Zdenek Kabelac
24ab6328f7 Wipe initial 4KiB for non-zeroed thin volumes 
If the thin pool has disabled zeroing  (created with -Zn), we at least
clear initial 4KiB of such thin volume (provisions 1st block).

If lvcreate is executed with '-an' command will abort (same way like we for
normal LV - however for normal LV option -Zn may skip clearing completely,
for thin volumes this option is not supported (applies only for pools).
 2012-02-29 22:08:57 +00:00
Alasdair Kergon
5b613cff97 Pass 'single_device' parameter down to suppress 'Can't find uuid' messages 
when reading VG text metadate and called from pvscan --lvmetad.

(Longer-term, that check needs moving outside of that code.)
 2012-02-29 02:35:35 +00:00
Petr Rockai
996fe0a836 Fix a whitespace bug in the last checkin. 2012-02-29 00:19:14 +00:00
Petr Rockai
059e87ce7b Attempt a fix for lvm shell accumulating copies of orphan PVs with each "pvs" 
invocation.
 2012-02-29 00:18:27 +00:00
Zdenek Kabelac
0650d875e8 Test dm_hash_insert() failures mem failures 2012-02-28 11:12:58 +00:00
Zdenek Kabelac
58afa3e7fb Check error from _lv_each_dependency 
_lv_mark_if_partial_collect cannot fail, however it's good to keep
checking here as we do in all other cases.
 2012-02-28 11:10:45 +00:00
Zdenek Kabelac
a46cc72fd2 Add some stack traces for dev_close error paths 2012-02-28 10:11:35 +00:00
Zdenek Kabelac
0475b86268 Explicitely check list size of segments 
instead of checking for NULL from last_seg and first_seg.
 2012-02-28 10:08:20 +00:00
Zdenek Kabelac
b9141fcefa Add stack traces for lock_vol failures 
Adding at least stack traces with some FIXMEs for cases,
where we might want to do something cleaver - maybe fail command
or give user hints something is not going well ?

For remote_backup is stack probably 'good' enough for now.
 2012-02-27 11:35:59 +00:00
Zdenek Kabelac
9737943c4c Fix missing break 
Bug introduced with addition of internal error default case.
Seem like this code is not used.
TODO: add coverage test.
 2012-02-27 11:13:48 +00:00
Zdenek Kabelac
efe228a42e Just reindent with tabs 2012-02-27 09:51:31 +00:00
Zdenek Kabelac
2960604178 Add explicit cast for time() ret value 
To keep all numbers with same sign
 2012-02-23 22:31:23 +00:00
Zdenek Kabelac
219e040062 Drop backtrace after log_error 
Just a minor change to not give backtrace when log_error has been just
reported.
 2012-02-23 22:24:47 +00:00
Jonathan Earl Brassow
870762d8e3 Require number of stripes to be greater than parity devices in higher RAID. 
Also, add some comments to code that I recently added that may be unclear
otherwise.
 2012-02-23 17:36:35 +00:00
Petr Rockai
dae0822698 The lvmetad client-side integration. Only active when use_lvmetad = 1 is set in 
lvm.conf *and* lvmetad is running.
 2012-02-23 13:11:07 +00:00
Jonathan Earl Brassow
9bdfb30720 Fix allocation code to allow replacement of single RAID 4/5/6 device. 
The code fail to account for the case where we just need a single device
in a RAID 4/5/6 array.  There is no good way to tell the allocation functions
that we don't need parity devices when we are allocating just a single device.
So, I've used a bit of a hack.  If we are allocating an area_count that is <=
the parity count, then we can assume we are simply allocating a replacement
device (i.e. no need to include parity devices in the calculations).  This
should make sense in most cases.  If we need to allocate replacement devices
due to failure (or moving), we will never allocate more than the parity count;
or we would cause the array to become unusable.  If we are creating a new device,
we should always create more stripes than parity devices.
 2012-02-23 03:57:23 +00:00
Alasdair Kergon
d860272b00 Check all tags and LV names are in a valid form in vg_validate. 2012-02-23 00:11:01 +00:00
Jonathan Earl Brassow
0e92b70f71 *** empty log message *** 2012-02-22 17:14:38 +00:00
Zdenek Kabelac
d81498a824 Initialize dmeventd monitoring for every command 
Read lvm.conf setting for monitoring for each command. So we should not
activate monitoring if the default compilation is set to monitor during
lvconvert commnads.

Patch also removes check for  clustered VG and allows to disable monitoring
for clustered VG with the assumption, the problem with monitoring and dmeventd
flag passing for INGNORE is already fixed.
 2012-02-15 15:18:43 +00:00
Zdenek Kabelac
73e62cdc11 Add internal error for unsupported code paths 
Patch mainly helps static analyzers to better work with code paths
lvm code should never trigger.
 2012-02-13 11:25:56 +00:00
Zdenek Kabelac
cbe6bcd593 Add check for rimage name allocation failure 2012-02-13 11:10:37 +00:00
Zdenek Kabelac
52f2f3eae4 Add free_orphan_vg 
Move commod code to destroy orphan VG into free_orphan_vg() function.
Use orphan vgmem for creation of PV lists.
Remove some free_pv_fid() calls (FIXME: check all of them)
FIXME: Check whether we could merge release_vg back again for all VGs.
 2012-02-13 11:03:59 +00:00
Zdenek Kabelac
65079de265 If the same fid is already same avoid ref_counting 2012-02-13 11:01:34 +00:00
Zdenek Kabelac
960ee343f3 Add missing test for failure of lvmcache_foreach_pv 2012-02-13 10:58:20 +00:00
Zdenek Kabelac
bbf98c19a8 Log error reporting for failing _alloc_pv 
Drop unneeded zeroing of zalloced memory region.
 2012-02-13 10:51:52 +00:00
Alasdair Kergon
b719e3d323 FMT_INSTANCE_VG is redundant now 2012-02-12 23:01:19 +00:00
Alasdair Kergon
ba14fff2af FMT_INSTANCE_PV is no longer used 2012-02-12 22:37:24 +00:00
Alasdair Kergon
f3f6c17250 use stack consistently if 0 is considered an error 2012-02-12 21:42:43 +00:00
Alasdair Kergon
2a434c479d missing error mesg 2012-02-12 21:37:03 +00:00
Alasdair Kergon
10670c641b remove unused bits after fid changes 2012-02-12 20:19:39 +00:00
Petr Rockai
6e41729eb8 Keep a global (per-format) orphan_vg and keep any and all orphan PVs linked to 
it. Avoids the need for FMT_INSTANCE_PV and enables further simplifications. No
functional change, internal refactor only.
 2012-02-10 02:53:03 +00:00
Petr Rockai
8e5f7cf3dc Move lvmcache data structures behind an API (making the structures private to 
lvmcache.c). No functional change.
 2012-02-10 01:28:27 +00:00
Peter Rajnoha
5fa417a9c0 Stop processing lvextend if trying to extend a mirror that is being recovered. 
Missing correct return value in lv_extend fn.
 2012-02-09 15:13:42 +00:00
Zdenek Kabelac
a7e2da0585 Thin add pool_below_threshold 
Test both data and metadata percent usage.
 2012-02-08 13:05:38 +00:00
Zdenek Kabelac
94f88a4f14 Fix test for lv_snapshot_percent 
Do not check for PERCENT_MERGE_FAILED if the lv_snapshot_percent() failed.
(test for snap_percent would be testing uninitialized value).
 2012-02-08 13:02:07 +00:00
Zdenek Kabelac
462835faa0 Switch to return void 
List delete cannot fail, so there is no reason to test for error.
 2012-02-08 12:52:58 +00:00
Zdenek Kabelac
d75c5f06f0 Replace snprintf with dm_snprintf 
snprintf testing for negative is replaced with dm_snprintf where this
test really works.
Add missing test for result of dm_snprintf().
 2012-02-08 11:40:02 +00:00
Alasdair Kergon
b167ca28b0 Adjust comments 2012-02-01 15:05:53 +00:00
Zdenek Kabelac
42b5c54092 Add synchornization point in mirror log init. 
Put extra sync point when mirror log is deactivated and before
it's activated for the second time.
 2012-02-01 13:50:36 +00:00
Alasdair Kergon
1368dc905a lost line 2012-02-01 02:11:43 +00:00
Alasdair Kergon
72abf1d880 Track unreserved space for all alloc policies and then permit NORMAL to place 
log and data on same single PV.
 2012-02-01 02:10:45 +00:00
Zdenek Kabelac
7012268499 Thin for_each_sub_lv 
Adapt to scan thin dependency LVs
 2012-01-26 21:39:32 +00:00
Zdenek Kabelac
42beb34826 Set missing header define 2012-01-25 22:37:48 +00:00
Zdenek Kabelac
9b1fe5a062 Thin clear stacked message for thin pool 
Before removing thin pool LV always make sure, stacked message
for previous run are cleared - but allow to remove any
device that should have been created
(i.e. creation of snapshot failed - so the message for snapshot creation
may be replaced with delete message within unfinished transaction).

Also commit messages after lv remove - so free space is released in pool.
 2012-01-25 11:27:42 +00:00
Zdenek Kabelac
89764fd494 Thin skip activation when there are no thin message 
If the list with thin messages is empty, do not touch thin pool device.
 2012-01-25 09:17:15 +00:00
Zdenek Kabelac
c771a70882 Thin correct activation order 
When the message is passed only in resume path the order needs
to be corrected.
 2012-01-25 09:15:44 +00:00
Zdenek Kabelac
3dadb176ce Thin use suspend/resume_lv_origin 
Use origin_only support for thin volume when thin snapshot is created.
 2012-01-25 09:14:25 +00:00
Zdenek Kabelac
2258242f6c Thin use origin_only for thin pools as well 
Extend the usage of origin_only flag to allow resume of thin pool LV
(when it's active) to pass only the messages.

origin_only flag will skip detection of already resumed tree for thin_pool,
so we do not need to suspend the tree and we just send messages.
 2012-01-25 09:13:10 +00:00