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291 Commits

Author SHA1 Message Date
trociny
5780d99776 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
trociny
4eba690e91 Fix typo. 
MFC after:	3 days
 2012-03-23 20:18:48 +00:00
pjd
3e86e21237 Nice range comparison. 
MFC after:	3 days
 2012-02-11 16:41:52 +00:00
trociny
1d510ea553 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is synchronizing data that is out of date on the local component, we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
trociny
d2786f0a2c 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out of date BIO_READ requests got lost instead of being sent to the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
pjd
306b4958cf Fix typo in comment. 
MFC after:	3 days
 2012-02-04 07:59:12 +00:00
pjd
538ff2e745 - 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
pjd
983cddf8a6 Free memory that won't be used in child. 
MFC after:	1 week
 2012-01-22 11:20:42 +00:00
pjd
bf37868a59 Fix minor memory leak. 
MFC after:	3 days
 2012-01-21 20:13:37 +00:00
pjd
62f2fd64bb Remove another unused token. 
MFC after:	3 days
 2012-01-20 21:49:56 +00:00
pjd
8e6c8deb43 Remove unused token 'port'. 
MFC after:	3 days
 2012-01-20 21:45:24 +00:00
pjd
b07aec8b25 Style cleanups. 
MFC after:	3 days
 2012-01-13 23:25:35 +00:00
pjd
e437b28043 - 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
pjd
c5fe5a76f2 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
pjd
29f76d890e 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
uqs
5f1ca9b982 Spelling fixes for sbin/ 2012-01-07 16:09:33 +00:00
pjd
cbcf1832ad fork(2) returns -1 on failure, not some random negative number. 
MFC after:	3 days
 2012-01-06 23:44:26 +00:00
pjd
a272071bf0 Constify argument. 
MFC after:	3 days
 2012-01-06 12:27:17 +00:00
dim
9d35683411 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
pjd
0283ff3e72 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
pjd
509e6459e0 Don't use function name as format string. 
Detected by:	clang
MFC after:	1 week
 2011-12-18 20:40:19 +00:00
pjd
8d73b322fa Remove redundant assignment. 
Found by:	Clang Static Analyzer
MFC after:	1 week
 2011-12-15 22:05:23 +00:00
pjd
91f3438889 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
pjd
a852ec0ef9 Remove redundant setting of the error variable. 
Found by:	Clang Static Analyzer
MFC after:	1 week
 2011-12-15 22:01:34 +00:00
pjd
f13dc0df13 Remove redundant space. 
MFC after:	3 days
 2011-10-27 20:36:35 +00:00
pjd
14cf798458 Implement 'async' mode for HAST. 
MFC after:	3 days
 2011-10-27 20:32:57 +00:00
pjd
c017e98c55 Minor cleanups. 
MFC after:	3 days
 2011-10-27 20:15:37 +00:00
pjd
739f931164 Reduce indentation. 
MFC after:	3 days
 2011-10-27 20:13:39 +00:00
pjd
986d3757ae 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
pjd
72922c3d6b - 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
pjd
fcce680c47 Monor cleanups. 
MFC after:	3 days
 2011-10-27 18:49:16 +00:00
pjd
c2e715af70 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
pjd
315841e3ac Correct comments. 
MFC after:	3 days
 2011-10-27 16:22:17 +00:00
pjd
ed683cf8c0 Allow to specify pidfile in HAST configuration file. 
MFC after:	1 week
 2011-10-17 12:22:09 +00:00
pjd
06a2c15f45 Remove redundant space. 
MFC after:	1 week
 2011-10-17 09:59:04 +00:00
pjd
cc73b6a041 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
pjd
ae2bc06327 Correct typo. 
MFC after:	3 days
 2011-09-28 13:25:27 +00:00
pjd
25b3d91c28 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
pjd
3fbe0df4ff Break a bit earlier. 
MFC after:	3 days
 2011-09-28 13:13:43 +00:00
pjd
374501b495 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
pjd
2c59e5d543 Use PJDLOG_ASSERT() and PJDLOG_ABORT() everywhere instead of assert(). 
MFC after:	3 days
 2011-09-27 08:50:37 +00:00
pjd
1f93bdc27f No need to wrap pjdlog functions around with KEEP_ERRNO() macro. 
MFC after:	3 days
 2011-09-27 08:26:09 +00:00
pjd
ac89e4145a - Convert some impossible conditions into assertions. 
- Add missing 'if' in comment.

MFC after:	3 days
 2011-09-27 08:04:01 +00:00
pjd
b294ac14be Correct two mistakes when converting asserts to PJDLOG_ASSERT()/PJDLOG_ABORT(). 
MFC after:	3 days
 2011-09-27 07:59:10 +00:00
pjd
26b0e1eedd Prefer PJDLOG_ASSERT() and PJDLOG_ABORT() over assert() and abort(). 
pjdlog versions will log problem to syslog when application is running in
background.

MFC after:	3 days
 2011-09-27 07:57:15 +00:00
pjd
ff11c3069e No need to use KEEP_ERRNO() macro around pjdlog functions, as they don't 
modify errno.

MFC after:	3 days
 2011-09-27 07:52:39 +00:00
pjd
e0053a0ea2 Ensure that pjdlog functions don't modify errno. 
MFC after:	3 days
 2011-09-27 06:43:51 +00:00
trociny
ec6755c2ee Fix indentation. 
Approved by:	pjd (mentor)
 2011-07-13 05:32:55 +00:00
trociny
3628e4b620 Remove useless initialization. 
Approved by:	pjd (mentor)
MFC after:	3 days
 2011-07-05 06:12:28 +00:00
trociny
82faa3e641 Check the returned value of activemap_write_complete() and update matadata on 
disk if needed. This should fix a potential case when extents are cleared in
activemap but metadata is not updated on disk.

Suggested by:	pjd
Approved by:	pjd (mentor)
 2011-06-28 21:01:32 +00:00