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Bug 1396402 - [exportfs] exportfs -s output some exports options twice, but can not output some options like sync,hide,no_wdlay
Summary: [exportfs] exportfs -s output some exports options twice, but can not output ...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: nfs-utils
Version: 7.4
Hardware: All
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Steve Dickson
QA Contact: ChunYu Wang
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-11-18 09:15 UTC by JianHong Yin
Modified: 2018-01-17 06:59 UTC (History)
3 users (show)

Fixed In Version: nfs-utils-1.3.0-0.36.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2017-08-01 19:48:51 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1532688 0 unspecified CLOSED Varying ro/rw in NFS export based on security flavor doesn't work 2021-02-22 00:41:40 UTC
Red Hat Product Errata RHBA-2017:2233 0 normal SHIPPED_LIVE nfs-utils bug fix and enhancement update 2017-08-01 18:19:33 UTC

Internal Links: 1532688

Description JianHong Yin 2016-11-18 09:15:30 UTC 
Description of problem:

As Subject/Summary:
'exportfs -s' always output some exports options twice

[yjh@dhcp-11-111 nfs-utils.up]$ sudo systemctl start nfs
[yjh@dhcp-11-111 nfs-utils.up]$ sudo exportfs -s 
/expdir  *(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)

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

How reproducible:
always

Steps to Reproduce:
$ cat /etc/exports
/expdir   *(rw,sync,no_root_squash)
$ sudo systemctl start nfs
$ sudo exportfs -s
/expdir  *(rw,wdelay,no_root_squash,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)

Actual results:
exportfs -s output some exports options twice, but can not output some options like sync,hide,no_wdlay

Expected results:
remove redundant options, and add the missing options

Additional info:
Comment 1 JianHong Yin 2016-11-18 09:17:00 UTC 
patch: http://www.spinics.net/lists/linux-nfs/msg60781.html
Comment 2 ChunYu Wang 2017-02-07 12:18:58 UTC 
Hi, Steve,

Patch in Comment 1 provided by Jianhong seems workable to solve this problem, will we fix it in next versions?


Also, some opitions appear twice in /var/lib/nfs/etab:
-bash-4.3# strace exportfs -s 2>&1 |fgrep "etab"
open("/var/lib/nfs/.etab.lock", O_RDONLY|O_CREAT, 0600) = 3
open("/var/lib/nfs/etab", O_RDONLY)     = 4

[chunwang@fs-qe ~]$ cat /var/lib/nfs/etab | head -1 | sed 's/^.*(//;s/)//;s/,/\n/g' |sort
acl
anongid=65534
anonuid=65534
hide
no_all_squash
no_all_squash
nocrossmnt
no_pnfs
no_root_squash
no_root_squash
no_subtree_check
rw
rw
sec=sys
secure
secure
secure_locks
sync
wdelay
[chunwang@fs-qe ~]$ uname -r 
3.10.0-327.el7.x86_64


Regards,
ChunYu Wang
Comment 3 Yongcheng Yang 2017-02-07 12:33:29 UTC 
(In reply to ChunYu Wang from comment #2)
> Hi, Steve,
> 
> Patch in Comment 1 provided by Jianhong seems workable to solve this
> problem, will we fix it in next versions?
> 
It has already been merged into upstream as:

commit 37c07fa0b74a29dea18d359068e9189c5159c49d
Author: Jianhong Yin <yin-jianhong>
Date:   Tue Nov 22 14:03:37 2016 -0500

    exportfs: remove redundant exports options output
Comment 6 ChunYu Wang 2017-03-29 01:56:33 UTC 
Moved to VERIFIED according to comment 4, will keep an eye on related issues during future tests.

Thanks,
ChunYu Wang
Comment 7 errata-xmlrpc 2017-08-01 19:48:51 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-2017:2233
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