Bug 669877
| Summary: | GFS2: Blocks not marked free on delete | ||||||
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| Product: | Red Hat Enterprise Linux 6 | Reporter: | Steve Whitehouse <swhiteho> | ||||
| Component: | kernel | Assignee: | Ben Marzinski <bmarzins> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Cluster QE <mspqa-list> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | high | ||||||
| Version: | 6.1 | CC: | adas, adrew, bmarzins, cmaiolin, djansa, kzhang, liko, rfreire, rpeterso, rwheeler, sbradley, swhiteho | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | kernel-2.6.32-112.el6 | Doc Type: | Bug Fix | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | 666080 | Environment: | |||||
| Last Closed: | 2011-05-19 12:55:41 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Bug Depends On: | 666080 | ||||||
| Bug Blocks: | |||||||
| Attachments: |
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Comment 1
Steve Whitehouse
2011-01-15 11:00:53 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. 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.
Patch(es) available on kernel-2.6.32-112.el6 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 |