Bug 1382266

Summary:	md-cache: Invalidate cache entry in case of OPEN with O_TRUNC
Product:	[Community] GlusterFS	Reporter:	Soumya Koduri <skoduri>
Component:	md-cache	Assignee:	Soumya Koduri <skoduri>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	mainline	CC:	bugs
Target Milestone:	---	Keywords:	Triaged
Target Release:	---
Hardware:	All
OS:	All
Whiteboard:
Fixed In Version:	glusterfs-3.10.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:
Clones:	1391448 1391450 1391451 (view as bug list)		Environment:
Last Closed:	2017-03-06 17:29:11 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1381968, 1391448, 1391450, 1391451

Description Soumya Koduri 2016-10-06 07:46:30 UTC

Description of problem:

In case if there is open() done on a file with O_TRUNC posix flag passed, the backend server truncates the file, resulting in change of size of the file. This case needs to be handled by md-cache and should invalidate its cache-entry accordingly.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

Comment 1 Worker Ant 2016-10-06 07:47:11 UTC

REVIEW: http://review.gluster.org/15618 (md-cache: Invalidate cache entry for open() with O_TRUNC) posted (#1) for review on master by soumya k (skoduri)

Comment 2 Worker Ant 2016-10-10 13:12:30 UTC

REVIEW: http://review.gluster.org/15618 (md-cache: Invalidate cache entry for open() with O_TRUNC) posted (#2) for review on master by soumya k (skoduri)

Comment 3 Worker Ant 2016-10-10 13:48:39 UTC

REVIEW: http://review.gluster.org/15618 (md-cache: Invalidate cache entry for open() with O_TRUNC) posted (#3) for review on master by soumya k (skoduri)

Comment 4 Worker Ant 2016-10-14 10:46:40 UTC

REVIEW: http://review.gluster.org/15618 (md-cache: Invalidate cache entry for open() with O_TRUNC) posted (#4) for review on master by soumya k (skoduri)

Comment 5 Worker Ant 2016-10-27 05:46:36 UTC

COMMIT: http://review.gluster.org/15618 committed in master by Raghavendra G (rgowdapp) 
------
commit 6ca5d6382f03685b31b12accb095093cf1486603
Author: Soumya Koduri <skoduri>
Date:   Thu Oct 6 13:13:44 2016 +0530

    md-cache: Invalidate cache entry for open() with O_TRUNC
    
    When a file is opened with O_TRUNC flag set, its size gets
    set to '0'. This case needs to be handled in md-cache to
    avoid sending incorrect cached stat.
    
    Change-Id: I95d1f8a6634734898883ede010c3e7b0b7eb97d9
    BUG: 1382266
    Signed-off-by: Soumya Koduri <skoduri>
    Reviewed-on: http://review.gluster.org/15618
    Smoke: Gluster Build System <jenkins.org>
    Reviewed-by: jiffin tony Thottan <jthottan>
    Tested-by: jiffin tony Thottan <jthottan>
    NetBSD-regression: NetBSD Build System <jenkins.org>
    CentOS-regression: Gluster Build System <jenkins.org>
    Reviewed-by: Kaleb KEITHLEY <kkeithle>

Comment 6 Shyamsundar 2017-03-06 17:29:11 UTC

This bug is getting closed because a release has been made available that should address the reported issue. In case the problem is still not fixed with glusterfs-3.10.0, please open a new bug report.

glusterfs-3.10.0 has been announced on the Gluster mailinglists [1], packages for several distributions should become available in the near future. Keep an eye on the Gluster Users mailinglist [2] and the update infrastructure for your distribution.

[1] http://lists.gluster.org/pipermail/gluster-users/2017-February/030119.html
[2] https://www.gluster.org/pipermail/gluster-users/