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Author SHA1 Message Date
Zdenek Kabelac
8527b92738 Add helper function dmeventd_lvm2_command(). 
Since this code is in all plugins - create a common helper function.
 2011-12-22 15:55:21 +00:00
Zdenek Kabelac
59e1bb62de Updated documentation for dmeventd. 
Update man page style.
Mention raid and thin plugins.
Update help text printed by command to match man page.
 2011-12-22 15:50:38 +00:00
Zdenek Kabelac
301e821d3b Thin man page update 2011-12-21 13:58:38 +00:00
Zdenek Kabelac
61d8cb80e4 Thin update test case 
Use thin-pool instead of thin_pool type.
 2011-12-21 13:45:42 +00:00
Zdenek Kabelac
351bf47486 Exported functions from thin plugin 2011-12-21 13:42:07 +00:00
Zdenek Kabelac
5339307ca7 Drop extra stat before open of device 
Since the !(dev->flags & DEV_REGULAR) code path just called
dev_name_confirmed() which has just called 'stat()' inside,
remove duplicate second stat() call here.
 2011-12-21 13:24:24 +00:00
Zdenek Kabelac
538d5e81a7 Do not lstat common path prefix 
When both path have identical prefix i.e. /dev/disk/by-id
skip  2 x lstat() for /dev  /dev/disk /dev/disk/by-id
and directly lstat() only different part of the path.

Reduces amount of lstat calls on system with lots of devices.
 2011-12-21 13:21:09 +00:00
Zdenek Kabelac
5146908366 Add common initialization code for struct device 
Avoid duplicate code and add _dev_init() where all common
member values are initialized.
 2011-12-21 13:17:54 +00:00
Zdenek Kabelac
b062ee2826 Always zalloc device structure 
Since there is zalloc behind the macro, put 'z' into the name.
Make the 'use_malloc' code path also using zalloc() call,
so it also give zeroed area.
 2011-12-21 13:14:54 +00:00
Zdenek Kabelac
0e0f706f2e Thin automatic policy based extension 2011-12-21 13:10:52 +00:00
Zdenek Kabelac
34507894e9 Thin add lv_thin_pool_percent 2011-12-21 13:10:05 +00:00
Zdenek Kabelac
c0fcaacb8d Thin add dev_manager_thin_pool_percent 
dev manager function to read percent info from thin pool.
 2011-12-21 13:09:33 +00:00
Zdenek Kabelac
2bc1d7598e Thin add dmeventd support 
This is basic version with still few unresolved issue mainly in case,
when the pool resize is failing.
 2011-12-21 13:08:11 +00:00
Zdenek Kabelac
169470b621 Fix missing thread list manipulation 
For manipulation with thread list to avoid race with timeout thread,
take also _timeout_mutex.
 2011-12-21 13:03:06 +00:00
Zdenek Kabelac
d3b4a0f322 Check lv pointer for NULL before derefence. 2011-12-21 12:59:22 +00:00
Zdenek Kabelac
0190769d4f Thin remove unused code 2011-12-21 12:56:45 +00:00
Zdenek Kabelac
0d59090eaf Thin move layer suffix into local static const 2011-12-21 12:55:22 +00:00
Zdenek Kabelac
f582793f1b Thin rename internal thin pool segment 
Use matching name as kernel target - useful when function like
_percent is using this for validation.
 2011-12-21 12:54:19 +00:00
Zdenek Kabelac
077c4d1a35 Add Thin API for parsing thin status 
Add dm_get_status_thin_pool and dm_get_status_thin functions to
parse 'params' argument which is received via dm_get_next_target.

Returns filed structure allocated from given mempool.
 2011-12-21 12:52:38 +00:00
Zdenek Kabelac
61158adbcf Allow empty strings for description and creation_host config fields 2011-12-21 12:49:00 +00:00
Zdenek Kabelac
99a150fc26 Add dm_config_find_str_allow_empty 
Support empty string values.
 2011-12-21 12:47:44 +00:00
Alasdair Kergon
66e5b7f53c Reinstate support for format1 snapshots, but issue deprecated warning. 
I anticipate removing support for snapshots with lvm1-formatted metadata in a
future release.
 2011-12-20 00:02:18 +00:00
Petr Rockai
90b7423846 Add a unit test for config cascade (overlay). Needs expanding though. 2011-12-18 23:56:36 +00:00
Petr Rockai
f401655ee8 Fix up lvmetad for the minor API change in dm_config_create. 2011-12-18 22:31:10 +00:00
Petr Rockai
845b1df617 Make a cleaner split between config tree and config file functionality. Move 
the latter out of libdm.
 2011-12-18 21:56:03 +00:00
Peter Rajnoha
32e53e506d Use also normalized output for vgchange command in lvm2-monitor init script. 2011-12-16 11:42:56 +00:00
Zdenek Kabelac
c6958856f8 Cleanup test compile warning 
Add some declaration and cast to cleanup gcc warnings.
Add missing dm_config_destroy() to cleanup pool leak report.
 2011-12-13 12:08:42 +00:00
Petr Rockai
4e73e7ac16 Fix a compiler warning. 2011-12-12 00:08:23 +00:00
Petr Rockai
a8215f3774 Use a more canonic regex escaping in the default lvm.conf file for testing. 2011-12-12 00:01:12 +00:00
Petr Rockai
11e520256b Move dm_config_write out of libdm, back to lib/config, as config_write. 2011-12-11 23:18:20 +00:00
Petr Rockai
509278c7d2 Add a shell test for config parsing and merging (lvm dumpconfig). 2011-12-11 23:14:37 +00:00
Petr Rockai
426fc74255 Autoreconf. 2011-12-11 17:24:37 +00:00
Petr Rockai
06c51c80d7 Add a unit test for dm_config_clone_node. 2011-12-11 15:45:14 +00:00
Petr Rockai
3324f8f4b8 Start a rudimentary unit test for the dm_config_* interface. 2011-12-11 15:19:41 +00:00
Petr Rockai
864ec23ec0 In the dm_config_*get_* functions, make the actual value retrieval optional 
(useful for just checking that a given key is of a given type).
 2011-12-11 15:18:32 +00:00
Petr Rockai
5da88e5ba4 Use pkg-config to look for CUnit (needed for systems where it's not on the 
standard include path).
 2011-12-11 15:15:57 +00:00
Petr Rockai
8d21033e52 Nowadays, lvm-version.h is generated from lvm-version.h.in, and lives in the 
build directory, not the source one -> fix test/shell/000-basic.sh.
 2011-12-10 14:55:31 +00:00
Alasdair Kergon
289ed221d0 update FIXMEs 2011-12-10 00:47:23 +00:00
Alasdair Kergon
898fec25e5 When dropping the VG metadata from the cache during a VG revert, we must 
reset the 'precomitted' flag, just as we'd clear if we next did a 'commit'.
 2011-12-08 23:18:00 +00:00
Alasdair Kergon
594753751a Only use built-in stack size in clvmd - ignore lvm.conf. 2011-12-08 21:24:08 +00:00
Alasdair Kergon
585aaa922f Test for LCK_CLUSTER_VG directly in args[0]. 
Drop unused LCK_LOCAL from debug msg.
 2011-12-08 18:32:33 +00:00
Alasdair Kergon
3cc78c578a Don't pass LCK_LOCAL to clvmd - it's unused. 
Pass LCK_CLUSTER_VG in args[0] instead of args[1].
 2011-12-08 18:19:05 +00:00
Alasdair Kergon
87415ed135 Update comments. CLUSTER_VG belongs firmly to args[0]. 2011-12-08 18:09:48 +00:00
Alasdair Kergon
7a5b7def16 reinstate !first_time check 
(recovery from first_time failure would need different code)
 2011-12-08 18:06:33 +00:00
Alasdair Kergon
909bf00ab4 tag uninit var 2011-12-08 18:00:03 +00:00
Peter Rajnoha
0644371f09 Fix lvm2-monitor init script to use normalized output when using vgs. 2011-12-07 12:29:41 +00:00
Jonathan Earl Brassow
d098140177 Add policy based automated repair of RAID logical volumes 
The RAID plug-in for dmeventd now calls 'lvconvert --repair' to address failures
of devices in a RAID logical volume.  The action taken can be either to "warn"
or "allocate" a new device from any spares that may be available in the
volume group.  The action is designated by setting 'raid_fault_policy' in
lvm.conf - the default being "warn".
 2011-12-06 19:30:15 +00:00
Milan Broz
707c49ab77 Fix FIXME and comment :-) 2011-12-03 11:36:10 +00:00
Milan Broz
a8402e1978 Switch locking bits to match RHEL5 version. 
FIXME:
There is a problem with overloaded bit 0x80 in locking flag,
the bit flags array must be extended or changed.
 2011-12-03 11:34:35 +00:00
Alasdair Kergon
bc5fe20e33 update old comment 2011-12-01 14:57:30 +00:00