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Author SHA1 Message Date
Daniel Hermann
3bf3745ec8 marsadm: use lamport clock for checking modification timestamps of symlinks 
- Added mars_time() function returning lamport clock
- Renamed check_mtime to check_file_aged and fixed to use mars_time()
- Renamed check_all_mtimes to check_files_modified_any_of

Commits eb849e2 1be8700 fbb415a rebased on dfeb8e6

Signed-off-by: Thomas Schoebel-Theuer <tst@1und1.de>
 2013-04-11 11:01:25 +02:00
Daniel Hermann
7a42f95d6c marsadm: renam _allowed_logdelete() to _min_nondeletable_logfile() 
Signed-off-by: Thomas Schoebel-Theuer <tst@1und1.de>
 2013-04-11 11:01:25 +02:00
Daniel Hermann
5d3d777b86 marsadm: fix check_primary/check_not_primary to use actual state ('is-primary') 
The actual state is decoded in 'actual-*/is-primary' links, while the target
state is decoded in the 'primary' link.
- check_primary() now uses actual state
- check_not_primary() now uses both actual state and target state

Commits c38a822 94ac15a rebased on eaba743

Signed-off-by: Thomas Schoebel-Theuer <tst@1und1.de>
 2013-04-11 11:01:25 +02:00
Daniel Hermann
24ad742db4 infra: add Makefile.dist for administrative targets (distribution) 
Makefile.dist contains targets for distribution/packaging, such as
the generation of release tarballs, and other administrative tasks.

Commits 43770d2 dfcd866 b04bf8d 68b9f2e 191cc1a dd6db46 rebased on eaba743

Signed-off-by: Thomas Schoebel-Theuer <tst@1und1.de>
 2013-04-11 11:01:25 +02:00
Daniel Hermann
176be50435 all: preparations for out-of-tree build 
- Makefile: Prepare for out-of-tree build
  - Define CONFIG_MARS_BIGMODULE if build out-of-tree
  - Adjusted target for buildtag.h generation
  - Added target for mars_config.h generation (depends on Kconfig)
  - Commits 949c64e 3e1d566 167dd73 rebased on eaba743
- Added script gen_config.pl to generate mars_config.h from Kconfig
  (Commits f373687 dc92c2f bf863f2 rebased on eaba743)
- Include mars_config.h in mars.h/brick.h/brick_say.h
  (Commits 6f14e02 8f1b7d6 rebased on eaba743)

Signed-off-by: Thomas Schoebel-Theuer <tst@1und1.de>
 2013-04-11 11:01:25 +02:00
Thomas Schoebel-Theuer
dfeb8e6bbb light: fix hang of logfile update 
regression from 0f9f2b40
 2013-04-10 15:15:59 +02:00
Thomas Schoebel-Theuer
c474f7ca17 light: fix start of initial sync in weird cases 2013-04-10 11:02:03 +02:00
Thomas Schoebel-Theuer
4d1bbdef5a net: fix parsing of :port syntax 2013-04-10 11:02:03 +02:00
Thomas Schoebel-Theuer
05f202a9d4 net: allow separate ports for traffic shaping 2013-04-09 16:23:45 +02:00
Thomas Schoebel-Theuer
07a40e7881 net: add module parameter mars_port= 2013-04-09 16:10:51 +02:00
Thomas Schoebel-Theuer
eaba743456 light: separate logging of transaction logfile problems 2013-04-09 14:01:07 +02:00
Thomas Schoebel-Theuer
7a6c24c0c1 light: when jammed, create a hole in logfile sequence numbers 
The hole will indicate the disruption, and the secondaries will
stuble over it.
 2013-04-09 13:17:57 +02:00
Thomas Schoebel-Theuer
c275bec28d light: new systematics for emergency modes (filesystem full) 2013-04-08 17:02:57 +02:00
Thomas Schoebel-Theuer
a6aaa93da7 infra: fix forgotten {get,set}_df() 2013-04-08 17:02:57 +02:00
Thomas Schoebel-Theuer
1c8fa83d1f infra: control creation of log messages 2013-04-08 17:02:57 +02:00
Thomas Schoebel-Theuer
a693f0bc50 infra: export del_channel() for general use 2013-04-08 17:02:57 +02:00
Thomas Schoebel-Theuer
ad06f69514 infra: allow stopping of log messages 2013-04-08 17:02:57 +02:00
Thomas Schoebel-Theuer
795e931e1f all: make CONFIG_* constants tunable in /proc/sys/mars/ 2013-04-08 17:02:57 +02:00
Thomas Schoebel-Theuer
c58417d271 all: move kernel source into separate directory 2013-04-08 17:01:37 +02:00
Thomas Schoebel-Theuer
3e22a3faca marsadm: role command distincts between actual and todo 2013-04-03 11:44:16 +02:00
Thomas Schoebel-Theuer
8ced75120b infra: Kconfig must depend on PROC_SYSCTL 2013-04-03 11:44:16 +02:00
Thomas Schoebel-Theuer
6519dced2d marsadm: add new 'show' command 
Display all relevant symlinks as key=value pairs.
 2013-04-03 11:44:04 +02:00
Thomas Schoebel-Theuer
9763a49551 marsadm: change whitespace to match kernel coding style 2013-04-03 09:22:32 +02:00
Thomas Schoebel-Theuer
5fc1844eba marsadm: allow switchback to primary when I am actually primary 
For example, when /dev/mars/something is mounted or in another use,
switching to secondary will only succeed after the device has
been closed. During this intermediate state, we allow to switch
back to primary without checking all the big checks.
 2013-04-03 09:17:26 +02:00
Thomas Schoebel-Theuer
6de8dc9639 trans_logger: remove broken queue depth limit 
It wqas broken by concept: large requests from userspace max be
split into many mrefs. Thus a limit on units of #mrefs is not
comparable to userspace limits.

Instead, the ordinary nr_requests limits on kernel device queues
should suffice to get to the intended effect.
 2013-04-02 15:35:13 +02:00
Thomas Schoebel-Theuer
77470b2688 trans_logger: fix debugging code 2013-04-02 15:21:33 +02:00
Thomas Schoebel-Theuer
da35c04afd light: tell version number upon modprobe and rmmod 2013-03-13 17:16:58 +01:00
Daniel Hermann
01340092de marsadm: Fixed check_splitbrain() to allow obsolete version link syntax 
Signed-off-by: Thomas Schoebel-Theuer <schoebel@bell.site>
 2013-03-11 14:39:17 +01:00
Thomas Schoebel-Theuer
be57ca7949 marsadm: document global options 2013-02-13 11:57:01 +01:00
Thomas Schoebel-Theuer
1516c46bf2 marsadm: add --timeout= option 2013-02-13 11:50:44 +01:00
Thomas Schoebel-Theuer
640a1742e3 marsadm: implement mars-state command 2013-02-12 15:39:49 +01:00
Thomas Schoebel-Theuer
c47d55cc49 marsadm: fix --force for switching to secondary 2013-02-12 15:39:12 +01:00
Thomas Schoebel-Theuer
9272780a32 doc: improve README 2013-01-31 21:33:46 +01:00
Thomas Schoebel-Theuer
5a29602ad3 doc: update README 2013-01-30 06:11:31 +01:00
Thomas Schoebel-Theuer
629e4e6ca2 doc: add presentation slides from LCA2013 2013-01-29 22:32:22 +01:00
Thomas Schoebel-Theuer
d6b3a1a79c doc: update README 2013-01-29 22:28:21 +01:00
jmann
ca0a0115b5 doc: add some German docs from Joerg 
Signed-off-by: Thomas Schoebel-Theuer <schoebel@bell.site>
 2013-01-29 04:24:09 +01:00
Thomas Schoebel-Theuer
b8dcbab382 all: prepare publication at github 2013-01-25 11:58:46 +01:00
Thomas Schoebel-Theuer
79f7e6acd3 light: fix re-computation of todo_primary 2013-01-24 11:12:16 +01:00
Thomas Schoebel-Theuer
94e28913b1 bio: use new mapfree infrastructure 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
cd551926c6 infra: factor out mapfree infrastructure from aio 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
806a62289c infra: fix automatic killing on outputless bricks 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
03803eeea4 server: fix races, completely separate server bricks from main bricks 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
34dac0689b infra: make killing of useless bricks selectable 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
4cbd11372e infra: make showing global statistics configurable 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
62a3d791d1 light: enforce contiguity of logrotate numbers 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
79f0f28ef7 mem: add debugging of order0 operations 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
229092c28c mem: improve debugging 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
d02814e9c5 infra: make mem debugging independently configurable 2013-01-23 20:07:02 +01:00
Thomas Schoebel-Theuer
2271f55e8c brick_say: make debug messages runtime-selectable 2013-01-23 20:07:02 +01:00