Summary: lck: fix infinite loop in lcknd when it cannot talk to lckd [#2813]
(untested)
Review request for Ticket(s): 2813
Peer Reviewer(s): Mathi
Pull request to:
Affected branch(es): develop
Development branch: ticket-2813
Base revision: f03fe23c17bd4e4e32dd4a1304d2ac8f247d05e7
Personal repository: git://git.code.sf.net/u/trguitar/review
--------------------------------
Impacted area Impact y/n
--------------------------------
Docs n
Build system n
RPM/packaging n
Configuration files n
Startup scripts n
SAF services y
OpenSAF services n
Core libraries n
Samples n
Tests n
Other n
NOTE: Patch(es) are UNTESTED
Comments (indicate scope for each "y" above):
---------------------------------------------
*** EXPLAIN/COMMENT THE PATCH SERIES HERE ***
revision 0a6a295505dd7d8543da40fecb81ff6ae143e2e1
Author:Alex Jones <ajo...@rbbn.com>
Date:Tue, 28 Jan 2020 11:51:39 -0500
lck: fix infinite loop in lcknd when it cannot talk to lckd [#2813]
lcknd fails health check and restarts
When lcknd sends resource open requests to lckd it keeps them on a
list. If the open times out in lcknd because it cannot talk to lckd,
and the client finalizes or exits, lcknd attempts to clean up these
outstanding requests. But, it gets into an infinite loop traversing
the outstanding request list.
Fully traverse the list.
Complete diffstat:
------------------
src/lck/lckd/gld_rsc.c | 12 ++++++------
src/lck/lcknd/glnd_api.c | 2 +-
src/lck/lcknd/glnd_client.c | 10 ++++++----
src/lck/lcknd/glnd_res_req.c | 2 ++
4 files changed, 15 insertions(+), 11 deletions(-)
Testing Commands:
-----------------
1) Run a client that attempts to acquire some lock resources
2) Stop the active lckd (using gdb), but don't allow a failover
to occur
3) ResourceOpen calls should timeout in client
4) finalize client or exit
Testing, Expected Results:
--------------------------
1) after client finalizes or exits, lcknd should not fail health
check and restart (you'll need to wait a few minutes to see
this)
Conditions of Submission:
-------------------------
Feb 3 or ack from developer
Arch Built Started Linux distro
-------------------------------------------
mips n n
mips64 n n
x86 n n
x86_64 y y
powerpc n n
powerpc64 n n
Reviewer Checklist:
-------------------
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