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7f97c7ea9a
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42 Commits

Author SHA1 Message Date
Joe Thornber
7f97c7ea9a build: Don't generate symlinks in include/ dir 
As we start refactoring the code to break dependencies (see doc/refactoring.txt),
I want us to use full paths in the includes (eg, #include "base/data-struct/list.h").
This makes it more obvious when we're breaking abstraction boundaries, eg, including a file in
metadata/ from base/
 2018-05-14 10:30:20 +01:00
Zdenek Kabelac
feed61f3fa libdm: use rounded float for percent print 
Use new added  dm_percent_to_round_float to enhance print
of percentage values.
 2017-06-24 17:44:42 +02:00
Zdenek Kabelac
05dd566a52 dmeventd: unify error handling 
Always make sure the 'status' is release on 'error' path (thin pluging missed)
Make code looking same across all plugins.
 2017-02-14 00:03:34 +01:00
Zdenek Kabelac
6064a5084e cleanup: clean gcc6 minor/major types warnings 
Put sys/sysmacros.h in front of sys/types.h header file as requested
by gcc6 part II.
 2016-09-07 16:42:34 +02:00
Zdenek Kabelac
1be74cfd7f cleanup: gcc warn about comparing int with uint 2016-04-12 11:47:51 +02:00
Zdenek Kabelac
fcbef05aae doc: change fsf address 
Hmm rpmlint suggest fsf is using a different address these days,
so lets keep it up-to-date
 2016-01-21 12:11:37 +01:00
Zdenek Kabelac
aeec62ad19 dmeventd: snapshot plugin unmonitor 
Send signal to itself to mark plugin as 'finished' as
the watching rule is no longer usable.
 2015-10-22 22:41:12 +02:00
Zdenek Kabelac
6b0bc5b2d9 dmeventd: snapshot plugin device removal 
Add #ifdef-ed code to have ability to even remove unusable device.
For now purely experimental.
 2015-10-22 22:29:53 +02:00
Zdenek Kabelac
7ff5b03e5e dmeventd: snapshot plugin updates 
Improve test for invalid snapshot.

Use dm_make_percent() to manipulate with exactly same percentage
as lvm2 command is using.
 2015-10-22 22:29:50 +02:00
Zdenek Kabelac
3f1a3b7090 dmeventd: fix missing '!' 
During recent code changes '!' was badly converted.
 2015-10-13 22:10:47 +02:00
Zdenek Kabelac
51ff7d5ed8 dmeventd: less locking for snapshot and thin 
Use lvm lock for lvm library calls.

dm functions in-use are 'thread-safe' since we use
local per-thread mem pool.
 2015-10-13 16:01:41 +02:00
Zdenek Kabelac
a11cd2ca2d dmeventd: use new macros to init mempool 
For thin and snapshot use new macros
to simplify mempool init and destroy
 2015-10-13 15:56:03 +02:00
Zdenek Kabelac
0a633750f1 cleanup: avoid using private 
Switch private to user.
 2015-10-13 15:22:58 +02:00
Zdenek Kabelac
e261af52eb dmeventd: handle snapshot overflow 
When snapshot reports overflow, handle it in the same way as Invalid.
Until better ideas are implemented.
 2015-10-13 15:15:44 +02:00
Zdenek Kabelac
0e27210308 dmeventd: add more debug messages 2015-10-13 15:15:43 +02:00
Zdenek Kabelac
c90363b585 dmeventd: use log_ macros in plugins 
Convert from syslog to standard log_() macros in plugins.
 2015-10-13 15:09:03 +02:00
Zdenek Kabelac
915f0faac1 dmeventd: syslog -> log_xxxxx 
Convert logging of dmeventd to libdm logging macros.
 2015-10-13 14:43:30 +02:00
Zdenek Kabelac
6b701c3a48 cleanup: dmeventd abstract lvm2cmd interface 
Keep  lvm2cmd  interface hidden inside dmeventd_lvm
and use regular 1/0 return codes, this we may
avoid using lvm2cmd.h in other lvm2 plugins.
 2014-04-18 16:38:51 +02:00
Zdenek Kabelac
589983a257 cleanup: include stdarg.h where needed. 
Avoid dependency on implicit inclusion of stdarg.h with
libdevmapper.h.
 2014-04-18 16:38:50 +02:00
Alasdair G Kergon
7c6526aae2 lvresize: separate validation from action 
Start separating the validation from the action in the basic lvresize
code moved to the library.
Remove incorrect use of command line error codes from lvresize library
functions.  Move errors.h to tools directory to reinforce this,
exporting public versions of the error codes in lvm2cmd.h for dmeventd
plugins to use.
 2013-07-06 03:28:21 +01:00
Zdenek Kabelac
55f42944bd dmeventd: revert back percent to int 
int is perfectly ok here.
 2013-05-30 16:46:58 +02:00
Zdenek Kabelac
e992cb253c dmeventd: use dm_get_status_snapshot() 
Switch to use libdm dm_get_status_snapshot() function for
reading status info.
This fixes bug, where the code was using 32bit integers,
while the snapshot target is able to return 64bit sizes.
However this also means, someone is using >1TB snapshot
cow devices, which is actually very bad idea anyway, since the
perfomance and memory usage in this case is very bad.
 2013-05-27 10:33:06 +02:00
Zdenek Kabelac
286cd2006b cleanup: drop unneeded included header files 
This headers were not resolving anything used for compiled .c files.
Remove unused util.c file.
 2012-08-23 14:37:20 +02:00
Zdenek Kabelac
5e4f234918 Make sure dereferenced words[0] and words[1] are defined 2012-02-13 14:17:04 +00:00
Zdenek Kabelac
1aae627433 Use new dmeventd_lvm2_command function in dmeventd plugins. 
For snapshot, prepare whole command in front into private buffer.
Add also some missing '\n' for syslog messages.
For raid and mirror only convert creation of command line string.
This should avoid any unbound growth of mempool for dm_split_names.
 2011-12-22 16:37:01 +00:00
Petr Rockai
58ea7af08c Fix a bug in dmeventd snapshot monitoring code where the monitoring threshold 
would grow with subsequent snapshot extensions (RHBZ 754198).
 2011-11-21 12:31:18 +00:00
Petr Rockai
6825ae1e28 Remove a redundant (and in some cases, misleading) message about snapshot 
extension, in the snapshot dmeventd plugin. The reporting is done as needed by
the LVM command nowadays.
 2011-10-19 14:31:49 +00:00
Zdenek Kabelac
6b7fe2852a Use dm_snprintf 
and fix differently signed comparation.
 2011-04-08 14:18:40 +00:00
Petr Rockai
228fbb6f84 Avoid flooding syslog with redundant messages when a snapshot is invalidated 
(reported by Corey).
 2011-02-14 14:26:36 +00:00
Zdenek Kabelac
2044eacc7e Add missing fclose 
Fixing resource leak in _umount().

CHECKME: mountpoints with spaces need to be checked
 2010-11-23 21:19:45 +00:00
Petr Rockai
fe9ac4d3f4 Add code to the dmeventd snapshot plugin to automatically unmount snapshots 
that have been invalidated.
 2010-10-29 16:43:51 +00:00
Petr Rockai
a341cab721 Implement automatic snapshot extension with dmeventd, and add two new options 
to lvm.conf in the activation section: 'snapshot_autoextend_threshold' and
'snapshot_autoextend_percent', that define how to handle automatic snapshot
extension. The former defines when the snapshot should be extended: when its
space usage exceeds this many percent. The latter defines how much extra space
should be allocated for the snapshot, in percent of its current size.
 2010-10-15 16:28:14 +00:00
Alasdair Kergon
08f1ddea6c Use __attribute__ consistently throughout. 2010-07-09 15:34:40 +00:00
Zdenek Kabelac
1b281f408d Headerfile <pthread.h> is no longer needed here 2010-05-11 08:32:22 +00:00
Peter Rajnoha
acbb93a383 Rename "stat" to "status" in dmeventd_snapshot.c. 
Otherwise "warning: declaration of ‘stat’ shadows a global declaration"
will appear because it shadows "stat" from stat.h.
 2010-02-15 12:55:20 +00:00
Milan Broz
676b511245 Fix syslog prefix in the first message (dmeventd->lvm). 2010-01-22 12:48:58 +00:00
Alasdair Kergon
fff0de4865 fix lib include 2010-01-22 00:18:37 +00:00
Alasdair Kergon
d3d98fdc1e Add libdevmapper-event-lvm2.so to serialise dmeventd plugin liblvm2cmd use. 2010-01-21 22:15:45 +00:00
Alasdair Kergon
cf8ee443e5 Fix dmeventd _temporary_log_fn parameters. (2.02.50) 2009-09-17 10:37:23 +00:00
Milan Broz
ffc4a05bda Fix snapshot monitoring library to not cancel monitoring invalid snapshot. 
snapshot DSO unregistered itself when snapshot changed state to invalid.

This can cause a race (and several timeouts), when for example another snapshot
is added and in the middle of operation (suspend/resume) the monitoring thread
unregister itself.

Fix it by keeping the snapshot monitored after invalidation - just reset
threshold to not really print any messages to syslog.
 2008-10-13 12:06:30 +00:00
Alasdair Kergon
4e9083db10 Fix mirror log name construction during lvconvert. (2.02.30) 
Make monitor_dev_for_events recurse through the stack of LVs.
Clean up some more compiler warnings.
Add mirror names test script.
 2008-01-31 12:19:36 +00:00
Petr Rockai
67961c7c10 Add snapshot dmeventd library (enables dmeventd snapshot monitoring). 2008-01-09 15:32:19 +00:00