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Bug 1376328

Summary:	protocol/client: client_process_response will only fail if the FOP is not supported in a COMPOUND
Product:	[Community] GlusterFS	Reporter:	Kaleb KEITHLEY <kkeithle>
Component:	protocol	Assignee:	bugs <bugs>
Status:	CLOSED DEFERRED	QA Contact:
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	mainline	CC:	atumball, bugs, kdhananj, ndevos, pkarampu
Target Milestone:	---	Keywords:	Triaged
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Hardware:	Unspecified
OS:	Unspecified
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Last Closed:	2018-10-08 17:25:12 UTC	Type:	Bug
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
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Embargoed:

Description Kaleb KEITHLEY 2016-09-15 06:09:56 UTC

Description of problem:

While addressing an unused variable warning/error for BZ 1369124, ndevos raises concerns about the handling of client_process_response() in client3_3_compound_cbk().

see comment in http://review.gluster.org/#/c/15482/7/xlators/protocol/client/src/client-rpc-fops.c

client_process_response() will only fail if the FOP is not supported in a COMPOUND, it's basically a coding bug when that happens.

The result of the compound would be in the args_cbk list, checking the result of the compounded-FOP and returning an error there would probably be better.

This isn't just an unused variable bug, the behaviour of a failed compunded-FOP needs to be documented. Would a single FOP failure abort execution of the rest of the COMPOUND? Should it result in a failure here too? The docs are not mentioning these kind of things, and I expect Krutika or Pranith to have some ideas about it.

https://github.com/gluster/glusterfs-specs/blob/master/under_review/compound-fops.md

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Comment 1 Amar Tumballi 2018-10-08 17:25:12 UTC

compound fop is not used anymore from inside the codebase! Will close it for now, when we get it in the codebase, we can check it out!