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521 Commits

Author SHA1 Message Date
AJ Lewis
7e497a951e o Added function find_snapshots to snapshot_manip.c that returns a list 
of snapshots whose origin is the lv passed in.
 o Used this new function to make lvdisplay properly display all snapshots
   attached to a origin.
 2002-05-08 16:57:46 +00:00
Andres Salomon
9a3761e86e implement our own swabbing functions, instead of relying on the kernel's. 2002-05-07 15:28:59 +00:00
Alasdair Kergon
efaf3c3bf9 Default values for some display output settings 2002-05-07 12:50:01 +00:00
Alasdair Kergon
0e4e6a6f67 Tweaks 2002-05-07 12:47:11 +00:00
Andres Salomon
41ec995377 Make lvm2 compile on big endian archs; use the kernel/glibc's endian 
conversion stuff, instead of implementing our own.  Tested on a little
endian system (x86); I'll let the debian handle big endian testing.  :)
 2002-05-07 05:54:14 +00:00
AJ Lewis
4f37599326 o Will now correctly remove expired achive files from the system when 
archive_vg is called.
 o Added a #define to the top of the file - not sure if this is the
   appropriate place for it though
 2002-05-03 19:28:07 +00:00
Alasdair Kergon
46127e673d Some partial VG support with format_text. 2002-04-30 17:12:37 +00:00
Alasdair Kergon
70df59b224 get_vgs must check for text format VGs when no lvm1 format VGs present 2002-04-30 12:27:13 +00:00
AJ Lewis
0fdbaa803f o Updated *display output for LVM1 compatibility 
o There is still a bit missing
   + all are missing the {PV,VG,LV} # - that is not applicable in LVM2
   + pvdisplay doesn't show how many LVs are contained on it
   + much of the snapshot information isn't available for lvdisplay
 o Look at the code for other potiential FIXMEs  :)
 2002-04-29 21:43:14 +00:00
Alasdair Kergon
63875e7591 Merge with text format branch. 
Lots of changes/very little testing so far => there'll be bugs!

Use 'vgcreate -M text' to create a volume group with its metadata stored
in text files.  Text format metadata changes should be reasonably atomic,
with a (basic) automatic recovery mechanism if the system crashes while a
change is in progress.

Add a metadata section to lvm.conf to specify multiple directories if
you want (recommended) to keep multiple copies of the metadata (eg on
different filesystems).

e.g. metadata {
        dirs = ["/etc/lvm/metadata1","/usr/local/lvm/metadata2"]
}

Plenty of refinements still in the pipeline.
 2002-04-24 18:20:51 +00:00
Joe Thornber
668879d2e1 o Stop printing errors if flushing fails (could be an unconfigured device). 2002-04-24 08:37:34 +00:00
Alasdair Kergon
950d9d6ee7 Missing seg->lv gives segfault when activating from text format. 2002-04-16 19:41:54 +00:00
Alasdair Kergon
f7974aee2e Allow deactivation of final snapshot. 2002-04-16 14:42:20 +00:00
Alasdair Kergon
6f448c5a38 Implement a no_locking module that *does* attempt activation. 2002-04-11 14:10:32 +00:00
Patrick Caulfield
3ed065de37 Return status from _lv_activate and friends. 
Alasdair, I think this is right (and I need it) but you may like to check.
 2002-04-11 09:14:04 +00:00
Patrick Caulfield
8152f0d72c Remove \n from log messages. 2002-04-10 15:49:47 +00:00
Joe Thornber
f8047f4736 o Perform a BLKFLSBUF ioctl whenever a block device is closed. 
Patrick, can you see if this fixes your cluster syncing problem please ?
If so I'll make it so it only syncs if you have actually written to the
device.
 2002-04-08 18:59:50 +00:00
Patrick Caulfield
b93c66dc2d Implement an external locking interface. 2002-04-08 16:04:50 +00:00
Patrick Caulfield
ac877b3065 Fix prototype. 2002-04-08 13:35:09 +00:00
Alasdair Kergon
dee8abfdde Fix lv_setup() not to generate a new lvid each time if asked to setup the 
same LV more than once - subsequent times validate only.
 2002-04-05 14:32:22 +00:00
Patrick Caulfield
cef3841d73 Make lock type numbers match the DLM numbers in use, and move UNLOCK out 
of the way.
 2002-04-04 13:31:21 +00:00
Alasdair Kergon
3cd5e8a041 Rename LCK_NONE to LCK_UNLOCK 2002-04-04 11:18:45 +00:00
Alasdair Kergon
515b5f866e Tidying. 2002-04-03 12:17:55 +00:00
Alasdair Kergon
321f62bf92 Cope with creation of additional snapshots while active. 
(More work on suspension dependencies still needed.)
 2002-03-27 18:17:43 +00:00
Alasdair Kergon
c502f8a722 New-style persistent minor support. 2002-03-26 13:41:37 +00:00
Alasdair Kergon
59b4868ac3 o read-only device support 
o name/uuid disambiguation
 2002-03-25 18:54:59 +00:00
Alasdair Kergon
3634e12cce Fix typo. 2002-03-25 18:50:37 +00:00
Alasdair Kergon
0035b31cdb Better support for LVs with hyphens in names. 2002-03-19 16:41:44 +00:00
Alasdair Kergon
5bd85668dd lvrename works on snapshots now 2002-03-18 23:25:50 +00:00
Alasdair Kergon
20f990b6ce Tie all snapshot (de)activation requests to (de)activation of origin device. 2002-03-18 13:09:27 +00:00
Alasdair Kergon
6821379586 s/Removing/Unloading/ in messages to reduce confusion 2002-03-15 23:01:59 +00:00
Alasdair Kergon
73b040eb49 Cut the number of device-mapper calls. 2002-03-15 22:59:12 +00:00
Alasdair Kergon
49aa4b2e1e New function to enable suppression of messages to stdout/stderr. 2002-03-15 22:54:04 +00:00
Alasdair Kergon
972241c74c Review locking: block signals instead of ignoring them and restore state 
afterwards; avoid race condition with unlink; add LCK_HOLD to process_each_vg.
 2002-03-15 16:07:38 +00:00
Alasdair Kergon
680750e3c2 Reduce the number of dm info calls. 2002-03-14 21:17:30 +00:00
Alasdair Kergon
1e57e60613 Integrate suspend. 2002-03-14 15:36:07 +00:00
Joe Thornber
b720dea9f0 o dev_manager_suspend, untested. 2002-03-14 10:56:09 +00:00
Alasdair Kergon
e33781e59f Set LV uuid. 2002-03-13 15:11:29 +00:00
Alasdair Kergon
d23e948216 Move is_empty_dir to lvm-file 2002-03-11 22:23:24 +00:00
Joe Thornber
58bdaa31f0 o Actually check that the vg directory is empty rather than speculatively 
rmdiring it.  Work around for devfs bug.
 2002-03-11 20:43:58 +00:00
Joe Thornber
b6491d88a6 o This should complete the dev_manager alg. Please could people now 
report any activation oddities they see.
 2002-03-11 20:36:04 +00:00
Alasdair Kergon
f6061ba62e lv_info replaces lv_active etc. 2002-03-11 19:02:28 +00:00
Alasdair Kergon
427899ddce o activate/reactivate merge 
o unlocking macro
 2002-03-11 15:08:39 +00:00
Joe Thornber
c4ab7d2dbd o dm->active_list now filled in, ATM this is based on the layer name rather 
than the uuid.
 2002-03-11 11:27:48 +00:00
Joe Thornber
0fd2ba033f o Comment out some new code that was preventing pjc activating 
snapshots.  This will go back in when the active_list is working.
 2002-03-11 10:38:16 +00:00
Joe Thornber
ed38939a93 o knock out the offset for origin targets. 2002-03-08 10:45:01 +00:00
Joe Thornber
c7ee26ce5a o Add active_list to dev_manager 
o  Origin layer is only added to snapshots if a snapshot is in the
   active_list.
 2002-03-08 10:41:48 +00:00
Joe Thornber
2ec8656bea o First cut at dev scanning. 
o  Split up _expand_lv
 2002-03-07 17:37:38 +00:00
Joe Thornber
b2ef256910 o Add comment describing what we're aiming for with dev_manager. 
o  Remove dev_manager_reactivate, since it'll be the same as activate.

o  Merge the mark, visible and dirty fields into the same flags field.
 2002-03-07 16:48:46 +00:00
Joe Thornber
63d6ce95db o Top level device is now just called <vg>-<lv> (there's no 'top' 
layer appended).

o  Got rid of the unused layer->type field and enum.
 2002-03-07 15:29:31 +00:00