* [ANN] cmogstored 1.7.1 - a mogstored alternative
@ 2019-05-12 0:54 5% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2019-05-12 0:54 UTC (permalink / raw)
To: mogile, cmogstored-public
cmogstored is an alternative implementation of the "mogstored" storage
component of MogileFS. cmogstored is implemented in C and does not use
Perl at runtime. cmogstored is the only component you need to install
on a MogileFS storage node.
Changes: Linux 5.0/5.1 epoll_pwait workaround
The Linux kernel bugfix should hit mainline and stable kernels,
soon. But there's no reason for us to be caring if errno is
EINTR or not...
cf. https://lore.kernel.org/lkml/20190427093319.sgicqik2oqkez3wk@dcvr/
https://lore.kernel.org/lkml/20190507043954.9020-1-deepa.kernel@gmail.com/
There are also some minor build/test updates since v1.7.0 (2018-12-18):
test/mgmt-usage.rb: fix mismatched indentation warning
add .gitattributes for Ruby files
test/mgmt_auto_adjust.rb: improve diagnostic messages
.gitignore: add extra ignores for gnulib in Debian 9
notify.c: workaround epoll_pwait bug in current Linux 5.0/5.1
doc: remove mailing list subscription info
https://bogomips.org/cmogstored/files/cmogstored-1.7.1.tar.gz
SHA-256: 603c163e133c656feebf1055364eb153664fafcb053696f7b86da511bf02a893
* homepage: http://bogomips.org/cmogstored/README
* git clone https://bogomips.org/cmogstored.git
* gitweb: https://repo.or.cz/w/cmogstored.git
* public inbox: cmogstored-public@bogomips.org
* archives: https://bogomips.org/cmogstored-public/
* nntp://news.public-inbox.org/inbox.comp.file-systems.mogilefs.cmogstored
^ permalink raw reply [relevance 5%]
* [PATCH] notify.c: workaround epoll_pwait bug in current Linux 5.0/5.1
@ 2019-05-11 7:56 7% Eric Wong
0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2019-05-11 7:56 UTC (permalink / raw)
To: cmogstored-public
The bugfix should hit mainline and stable kernels, soon; but
there's no reason for us to be caring if errno is EINTR, or
not...
https://lore.kernel.org/lkml/20190427093319.sgicqik2oqkez3wk@dcvr/
https://lore.kernel.org/lkml/20190507043954.9020-1-deepa.kernel@gmail.com/
---
notify.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/notify.c b/notify.c
index 73e772a..1deed82 100644
--- a/notify.c
+++ b/notify.c
@@ -100,7 +100,14 @@ void mog_notify_wait(bool need_usage_file)
mfd = mog_idleq_wait_intr(mog_notify_queue, timeout);
if (mfd)
notify_queue_step(mfd);
- else if (errno == EINTR)
+ else
+ /*
+ * errno == EINTR, but epoll_pwait on some Linux v5.0+/v5.1+
+ * fails to return EINTR. This should be fixed in Linux,
+ * soon:
+ * <20190427093319.sgicqik2oqkez3wk@dcvr>
+ * <20190507043954.9020-1-deepa.kernel@gmail.com>
+ */
note_run();
}
--
EW
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2019-05-12 0:54 5% [ANN] cmogstored 1.7.1 - a mogstored alternative Eric Wong
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