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Bug 669877 - GFS2: Blocks not marked free on delete
Summary: GFS2: Blocks not marked free on delete
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.1
Hardware: Unspecified
OS: Unspecified
high
medium
Target Milestone: rc
: ---
Assignee: Ben Marzinski
QA Contact: Cluster QE
URL:
Whiteboard:
Depends On: 666080
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-01-15 10:58 UTC by Steve Whitehouse
Modified: 2014-04-25 18:09 UTC (History)
12 users (show)

Fixed In Version: kernel-2.6.32-112.el6
Doc Type: Bug Fix
Doc Text:
Clone Of: 666080
Environment:
Last Closed: 2011-05-19 12:55:41 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Fix to allow space to be freed immediately on delete (588 bytes, patch)
2011-01-17 20:18 UTC, Ben Marzinski 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Knowledge Base (Solution) 17908 0 None None None Never
Red Hat Product Errata RHSA-2011:0542 0 normal SHIPPED_LIVE Important: Red Hat Enterprise Linux 6.1 kernel security, bug fix and enhancement update 2011-05-19 11:58:07 UTC

Comment 1 Steve Whitehouse 2011-01-15 11:00:53 UTC 
Lets try and get this in for 6.1. I think there should be time still.
Comment 2 RHEL Program Management 2011-01-15 11:10:10 UTC 
This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has 
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed 
products. This request is not yet committed for inclusion in an Update release.
Comment 3 Ben Marzinski 2011-01-17 20:18:56 UTC 
Created attachment 473923 [details]
Fix to allow space to be freed immediately on delete

When a file gets deleted on GFS2, if a node can't get an exclusive lock on the file's iopen glock, it punts on actually freeing up the space, because another node is using the file.  When it does this, it needs to drop the iopen glock from its cache so that the other node can get an exclusive lock on it. With this patch, gfs2_delete_inode() sets GL_NOCACHE before dropping the shared lock on the iopen glock in preparation for grabbing it in the exclusive state.  Since the node needs the glock in the exclusive state, dropping the shared lock from the cache doesn't slow down the case where no other nodes are using the file.
Comment 4 Aristeu Rozanski 2011-02-03 16:19:40 UTC 
Patch(es) available on kernel-2.6.32-112.el6
Comment 7 errata-xmlrpc 2011-05-19 12:55:41 UTC 
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2011-0542.html
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