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24 Commits

Author SHA1 Message Date
Petr Rockai
6997943f22 lvmetad: Implement --test (fixes #832033). 2012-07-30 11:19:02 +02:00
Peter Rajnoha
95ced7a7be activate: add autoactivation hooks 
Define an 'activation_handler' that gets called automatically on
PV appearance/disappearance while processing the lvmetad_pv_found
and lvmetad_pv_gone functions that are supposed to update the
lvmetad state based on PV availability state. For now, the actual
support is for PV appearance only, leaving room for PV disappearance
support as well (which is a more complex problem to solve as this
needs to count with possible device stack).

Add a new activation change mode - CHANGE_AAY exposed as
'--activate ay/-aay' argument ('activate automatically').

Factor out the vgchange activation functionality for use in other
tools (like pvscan...).
 2012-06-28 09:42:47 -04:00
Zdenek Kabelac
e9f9c6be26 lvmetad: check for fid existance 
Fail to update lvmetad with proper log error message.
 2012-06-22 13:50:21 +02:00
Zdenek Kabelac
6f3cd63551 cleanup: replace memset with struct initilization 
Simplifies the code, properly detects too long socket paths,
drops unused parameter.
 2012-06-22 13:23:03 +02:00
Peter Rajnoha
cb08b8eb7e Check if info struct returned is not NULL. 
Just some missing checks revealed by Coverity in recent code.
 2012-04-10 12:26:27 +00:00
Zdenek Kabelac
ea91741212 Just move declaration 2012-03-14 17:15:22 +00:00
Alasdair Kergon
35216ca66c Scan all devices for lvmetad if 'pvscan --cache' used without device list. 2012-03-03 18:32:53 +00:00
Alasdair Kergon
8d2c7d28cc a fixme 2012-03-02 22:44:31 +00:00
Alasdair Kergon
865738f271 missing reply frees 2012-03-02 21:24:37 +00:00
Alasdair Kergon
9c159ea320 Pass struct device around internally rather than dev_t. 
Add 3rd daemon return state "unknown" for lookups that are carried out
successfully but don't find the item requested.
Avoid issuing error messages when it's expected that a device that's
being looked up in lvmetad might not be there.
 2012-03-02 20:46:36 +00:00
Alasdair Kergon
d742cdf327 Change pvscan --lvmetad to pvscan --cache. 2012-03-02 18:09:46 +00:00
Alasdair Kergon
d06f64dd29 Allow multiple device names with pvscan --lvmetad. 
Hold global lock in pvscan --lvmetad.  (This might need refinement.)
Add PV name to "PV gone" messages.
Adjust some log message severities.  (More changes needed.)
 2012-03-02 16:58:41 +00:00
Zdenek Kabelac
099aca0311 Check allocated pointers 
Test pointers from allocation against NULL.
Error paths should be checked, some of them probably need
some extesions.
 2012-03-01 22:52:59 +00:00
Petr Rockai
bea2f61935 Use 64 bit integers for device size & label sector in _pv_populate_lvmcache in 
lvmetad client code. Fixes RHBZ 798267.
 2012-03-01 20:04:44 +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
Alasdair Kergon
5bba2cc74b Invert some return codes (which used to get ignored anyway) in cases when 
lvmetad is not being used.
 2012-02-28 18:23:56 +00:00
Zdenek Kabelac
dec6a245a9 Check result of export_vg_to_buffer 
and avoid usage of failed buffer.
 2012-02-28 11:09:06 +00:00
Zdenek Kabelac
a68f04f41c Check id_write_format result 
Currently we never fail with 64byte uuid buffer,
but just stay consitent with rest of the code and check for result.
 2012-02-27 11:32:48 +00:00
Petr Rockai
7e9fbf5518 Fix a possible SEGV in lvmetad client code, and a minor leak in pvscan 
--lvmetad.
 2012-02-26 13:42:50 +00:00
Petr Rockai
1943ff9910 - Improve error reporting on lvmetad connection failure. 
- Fix a couple of memory leaks in the lvmetad client code.
- Avoid an error in lvmetad_pv_gone when we aren't using lvmetad.
 2012-02-26 08:49:40 +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
Zdenek Kabelac
9cc66e6f8b Fix regression from cleanup commit 
baton is being modified, so needs to be cleared before each use.
 2012-02-23 19:03:48 +00:00
Zdenek Kabelac
b6c5ea358e Some reformating for lvmetad uddates 
cleanup gcc warning,
use PRIu64
header cleanups
const pointer fixes.
 2012-02-23 17:59:32 +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