Bug #4033
krbd: add barriers near done flag operations
% Done:
0%
Source:
Development
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
I fixed this problem while investigating the rbd hangs
in http://tracker.ceph.com/issues/4003.
Somehow, I missed this little item in Documentation/atomic_ops.txt: * WARNING: atomic_read() and atomic_set() DO NOT IMPLY BARRIERS! *
Signed-off-by: Alex Elder <elder@inktank.com>
History
#1 Updated by Alex Elder about 11 years ago
- Status changed from In Progress to Fix Under Review
A fix for this has been posted for review.
[PATCH] rbd: add barriers near done flag operations
#2 Updated by Alex Elder about 11 years ago
- Target version set to v0.58
#3 Updated by Alex Elder about 11 years ago
- Status changed from Fix Under Review to Resolved
I just committed this to the ceph-client/testing branch:
commit 4ad2b189c1a52ce8ae1d6d2528c512021a2f1654
Author: Alex Elder <elder@inktank.com>
Date: Tue Feb 5 23:41:50 2013 -0600
rbd: add barriers near done flag operations
(I did not include a back-reference to this page.)