Bug 2196403 - mds: wait for unlink operation to finish
Summary: mds: wait for unlink operation to finish
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Ceph Storage
Classification: Red Hat Storage
Component: CephFS
Version: 5.3
Hardware: Unspecified
OS: Unspecified
unspecified
medium
Target Milestone: ---
: 5.3z4
Assignee: Xiubo Li
QA Contact: Amarnath
Akash Raj
URL:
Whiteboard:
Depends On:
Blocks: 2210690
TreeView+ depends on / blocked
 
Reported: 2023-05-09 01:59 UTC by Xiubo Li
Modified: 2023-07-19 16:19 UTC (History)
7 users (show)

Fixed In Version: ceph-16.2.10-179.el8cp
Doc Type: Bug Fix
Doc Text:
.Link request no longer fail with `-EXDEV` Previously, if an inode had more than one link and one of its dentries was unlinked, it would be moved to the stray directory. Due to this, if a link request came before the _link merge_/_migrate_ completed, it would fail with `-EXDEV` error. With this fix, waiting for the previous _link merge_/_migrate_ to finish or purging operations to finish link requests allows link operations to succeed.
Clone Of:
Environment:
Last Closed: 2023-07-19 16:19:10 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Ceph Project Bug Tracker 59386 0 None None None 2023-05-09 02:00:46 UTC
Red Hat Issue Tracker RHCEPH-6627 0 None None None 2023-05-09 01:59:58 UTC
Red Hat Product Errata RHBA-2023:4213 0 None None None 2023-07-19 16:19:53 UTC

Description Xiubo Li 2023-05-09 01:59:00 UTC 
If one inode has more than one link and after one of its dentries
being unlinked it will be moved to stray directory. Before the
linkmerge/migrate finises if a link request comes it will fail
with -EXDEV.

While in non-multiple link case it's also possible that the clients
could pass one invalidate ino, which is still under unlinking.
Comment 1 RHEL Program Management 2023-05-09 01:59:12 UTC 
Please specify the severity of this bug. Severity is defined here:
https://bugzilla.redhat.com/page.cgi?id=fields.html#bug_severity.
Comment 15 errata-xmlrpc 2023-07-19 16:19:10 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 (Red Hat Ceph Storage 5.3 Bug Fix update), 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-2023:4213
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