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300 Commits

Author SHA1 Message Date
Mikolaj Golub
cfbd0d18bb Metaflush on/off values don't need quotes. 
Reviewed by:	pjd
MFC after:	3 days
 2012-07-16 20:43:28 +00:00
Pawel Jakub Dawidek
c66ee1b31e Make use of GEOM Gate direct reads feature. This allows HAST to serve 
reads with native speed of the underlying provider.
There are three situations when direct reads are not used:
1. Data is being synchronized and synchronization source is the secondary
   node, which means secondary node has more recent data and we should read
   from it.
2. Local read failed and we have to try to read from the secondary node.
3. Local component is unavailable and all I/O requests are served from the
   secondary node.

Sponsored by:	Panzura, http://www.panzura.com
MFC after:	1 month
 2012-07-04 20:20:48 +00:00
Pawel Jakub Dawidek
4c13f63cba Check if there is cmsg at all. 
MFC after:	3 days
 2012-07-01 16:26:07 +00:00
Hans Petter Selasky
4f2380c0cf Revert: r236909 
Pointyhat: me
 2012-06-11 20:27:52 +00:00
Hans Petter Selasky
9ae652f11f Use the correct clock source when computing timeouts. 
MFC after:	1 week
 2012-06-11 19:20:59 +00:00
Pawel Jakub Dawidek
4c71d26341 Simplify the code by using snprlcat(). 
MFC after:	3 days
 2012-06-03 10:50:46 +00:00
Warren Block
344c81a166 Fixes to man8 groff mandoc style, usage mistakes, or typos. 
PR:		168016
Submitted by:	Nobuyuki Koganemaru
Approved by:	gjb
MFC after:	3 days
 2012-05-24 02:24:03 +00:00
Baptiste Daroussin
5e2a209a27 Fix world after byacc import: 
- old yacc(1) use to magicially append stdlib.h, while new one don't
- new yacc(1) do declare yyparse by itself, fix redundant declaration of
  'yyparse'

Approved by:	des (mentor)
 2012-05-22 16:33:10 +00:00
Glen Barber
7b1d17a1bc General mdoc(7) and typo fixes. 
PR:		167804
Submitted by:	Nobuyuki Koganemaru (kogane!jp.freebsd.org)
MFC after:	3 days
 2012-05-12 15:08:22 +00:00
Mikolaj Golub
7f995f6907 If hastd is invoked with "-P pidfile" option always create pidfile 
regardless of whether -F (foreground) option is set or not.

Also, if -P option is specified, ignore pidfile setting from configuration
not only on start but on reload too. This fixes the issue when for hastd
run with -P option reload caused the pidfile change.

Reviewed by:	pjd
MFC after:	1 week
 2012-03-29 20:11:16 +00:00
Mikolaj Golub
f9c5a09cfe Fix typo. 
MFC after:	3 days
 2012-03-23 20:18:48 +00:00
Pawel Jakub Dawidek
86b914642c Nice range comparison. 
MFC after:	3 days
 2012-02-11 16:41:52 +00:00
Mikolaj Golub
f737157838 If a local write request is from the synchronization thread, when it 
is synchronizing data that is out of date on the local component, we
should not send G_GATE_CMD_DONE acknowledge to the kernel.

This fixes the issue, observed in async mode, when on synchronization
from the remote component the worker terminated with "G_GATE_CMD_DONE
failed" error.

Reported by:	Artem Kajalainen <artem kayalaynen ru>
Reviewed by:	pjd
MFC after:	1 week
 2012-02-05 15:23:32 +00:00
Mikolaj Golub
2b2cb41812 Fix the regression introduced in r226859: if the local component is 
out of date BIO_READ requests got lost instead of being sent to the
remote component.

Reviewed by:	pjd
MFC after:	1 week
 2012-02-05 15:21:08 +00:00
Pawel Jakub Dawidek
e0a8ef9d47 Fix typo in comment. 
MFC after:	3 days
 2012-02-04 07:59:12 +00:00
Pawel Jakub Dawidek
f17b67e14b - Fix documentation to note that /etc/hast.conf is the default configuration 
file for hastd(8) and hastctl(8) and not hast.conf.
- In copyright statement correct that this file is documentation, not software.
- Bump date.

MFC after:	3 days
 2012-01-24 23:43:13 +00:00
Pawel Jakub Dawidek
4ed472a1cc Free memory that won't be used in child. 
MFC after:	1 week
 2012-01-22 11:20:42 +00:00
Pawel Jakub Dawidek
2ce9c023fd Fix minor memory leak. 
MFC after:	3 days
 2012-01-21 20:13:37 +00:00
Pawel Jakub Dawidek
ba1fa0f17e Remove another unused token. 
MFC after:	3 days
 2012-01-20 21:49:56 +00:00
Pawel Jakub Dawidek
77213228fd Remove unused token 'port'. 
MFC after:	3 days
 2012-01-20 21:45:24 +00:00
Pawel Jakub Dawidek
3ab1c5a619 Style cleanups. 
MFC after:	3 days
 2012-01-13 23:25:35 +00:00
Pawel Jakub Dawidek
4bbeefbb07 - Fix a bug where pidfile was removed in SIGHUP when it hasn't changed in 
configuration file.
- Log the fact that pidfile has changed.

MFC after:	3 days
 2012-01-10 22:41:09 +00:00
Pawel Jakub Dawidek
2b1b224d24 For functions that return -1 on failure check exactly for -1 and not for 
any negative number.

MFC after:	3 days
 2012-01-10 22:39:07 +00:00
Pawel Jakub Dawidek
45bd093cb0 Don't touch pidfiles when running in foreground. Before that change we 
would create an empty pidfile on start and check if it changed on SIGHUP.

MFC after:	3 days
 2012-01-10 22:24:57 +00:00
Ulrich Spörlein
4b85a12f71 Spelling fixes for sbin/ 2012-01-07 16:09:33 +00:00
Pawel Jakub Dawidek
dfb1aece41 fork(2) returns -1 on failure, not some random negative number. 
MFC after:	3 days
 2012-01-06 23:44:26 +00:00
Pawel Jakub Dawidek
f78fe2608a Constify argument. 
MFC after:	3 days
 2012-01-06 12:27:17 +00:00
Dimitry Andric
6130c10567 Use NO_WCAST_ALIGN for usr.bin/hastctl and usr.bin/hastd; the alignment 
warnings in sbin/hastd/lzf.c are only emitted for i386 and amd64, and
there they can be safely ignored.

MFC after:	1 week
 2011-12-19 15:46:15 +00:00
Pawel Jakub Dawidek
8a605b3f64 Use lex's standard way of not generating unused function. 
Inspired by:	r228555
MFC after:	1 week
 2011-12-18 20:41:58 +00:00
Pawel Jakub Dawidek
b6afd24f2b Don't use function name as format string. 
Detected by:	clang
MFC after:	1 week
 2011-12-18 20:40:19 +00:00
Pawel Jakub Dawidek
f59936d642 Remove redundant assignment. 
Found by:	Clang Static Analyzer
MFC after:	1 week
 2011-12-15 22:05:23 +00:00
Pawel Jakub Dawidek
8c63ee4ff7 Simplify code by changing functions types from int to avoid, as the functions 
always return 0.

Found by:	Clang Static Analyzer
MFC after:	1 week
 2011-12-15 22:03:17 +00:00
Pawel Jakub Dawidek
b720f4aad0 Remove redundant setting of the error variable. 
Found by:	Clang Static Analyzer
MFC after:	1 week
 2011-12-15 22:01:34 +00:00
Pawel Jakub Dawidek
0ebcf9e6cb Remove redundant space. 
MFC after:	3 days
 2011-10-27 20:36:35 +00:00
Pawel Jakub Dawidek
07ebc3626e Implement 'async' mode for HAST. 
MFC after:	3 days
 2011-10-27 20:32:57 +00:00
Pawel Jakub Dawidek
3f5bce1822 Minor cleanups. 
MFC after:	3 days
 2011-10-27 20:15:37 +00:00
Pawel Jakub Dawidek
43b8675beb Reduce indentation. 
MFC after:	3 days
 2011-10-27 20:13:39 +00:00
Pawel Jakub Dawidek
5a58d22a84 Improve comment so it doesn't suggest race is possible, but that we handle 
the race.

MFC after:	3 days
 2011-10-27 20:10:21 +00:00
Pawel Jakub Dawidek
949350bb1f - Eliminate the need for hio_nv. 
- Introduce hio_clear() function for clearing hio before returning it
  onto free queue.

MFC after:	3 days
 2011-10-27 20:01:23 +00:00
Pawel Jakub Dawidek
1212a85c4a Monor cleanups. 
MFC after:	3 days
 2011-10-27 18:49:16 +00:00
Pawel Jakub Dawidek
8a34134ac2 Delay resuid generation until first connection to secondary, not until first 
write. This way on first connection we will synchronize only the extents that
were modified during the lifetime of primary node, not entire GEOM provider.

MFC after:	3 days
 2011-10-27 18:45:01 +00:00
Pawel Jakub Dawidek
982369192e Correct comments. 
MFC after:	3 days
 2011-10-27 16:22:17 +00:00
Pawel Jakub Dawidek
bd738d630c Allow to specify pidfile in HAST configuration file. 
MFC after:	1 week
 2011-10-17 12:22:09 +00:00
Pawel Jakub Dawidek
89da1a23cd Remove redundant space. 
MFC after:	1 week
 2011-10-17 09:59:04 +00:00
Pawel Jakub Dawidek
6fea20e297 When path to the configuration file is relative, obtain full path, 
so we can always find the file, even after daemonizing and changing
working directory to /.

MFC after:	1 week
 2011-10-17 09:54:07 +00:00
Pawel Jakub Dawidek
e3feec94eb Correct typo. 
MFC after:	3 days
 2011-09-28 13:25:27 +00:00
Pawel Jakub Dawidek
12daf727f6 If the underlying provider doesn't support BIO_FLUSH, log it only once 
and don't bother trying in the future.

MFC after:	3 days
 2011-09-28 13:19:47 +00:00
Pawel Jakub Dawidek
39852ce89e Break a bit earlier. 
MFC after:	3 days
 2011-09-28 13:13:43 +00:00
Pawel Jakub Dawidek
518dd4c0d9 After every activemap change flush disk's write cache, so that write 
reordering won't make the actual write to be committed before marking
the coresponding extent as dirty.

It can be disabled in configuration file.

If BIO_FLUSH is not supported by the underlying file system we log a warning
and never send BIO_FLUSH again to that GEOM provider.

MFC after:	3 days
 2011-09-28 13:08:51 +00:00
Pawel Jakub Dawidek
adf8002bac Use PJDLOG_ASSERT() and PJDLOG_ABORT() everywhere instead of assert(). 
MFC after:	3 days
 2011-09-27 08:50:37 +00:00