Bug 1594278

Summary:	client: prevent fallback to remount when dentry_invalidate_cb is true but root->dir is NULL
Product:	[Red Hat Storage] Red Hat Ceph Storage	Reporter:	Rishabh Dave <ridave>
Component:	CephFS	Assignee:	Patrick Donnelly <pdonnell>
Status:	CLOSED ERRATA	QA Contact:	ceph-qe-bugs <ceph-qe-bugs>
Severity:	medium	Docs Contact:
Priority:	low
Version:	3.0	CC:	ceph-eng-bugs, ceph-qe-bugs, john.spray, rperiyas
Target Milestone:	z5	Keywords:	CodeChange
Target Release:	3.0
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	RHEL: ceph-12.2.4-32 Ubuntu: ceph_12.2.4-36redhat1xenial	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-08-09 18:27:13 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:

Description Rishabh Dave 2018-06-22 13:58:40 UTC

Description of problem: ceph-fuse clients hangs when ceph-fuse uses "mount -o remount" process to invalidate the kernel dcache. Ideally, ceph-fuse should use
dentry_invalidate_cb or remount_cb to invalidate kernel dcache.


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


How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 10 errata-xmlrpc 2018-08-09 18:27:13 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2018:2375