Bug 15718

Summary: File corruption regression on NFS related to commit 1f36f774
Product: File System Reporter: Rafael J. Wysocki (rjw)
Component: VFSAssignee: fs_vfs
Status: CLOSED CODE_FIX    
Severity: normal CC: maciej.rutecki
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.34-rc Subsystem:
Regression: Yes Bisected commit-id:
Bug Depends on:    
Bug Blocks: 15310    

Description Rafael J. Wysocki 2010-04-07 21:14:59 UTC 
Subject    : [GIT BISECT] first bad commit: 1f36f774 Switch !O_CREAT case to use of do_last()
Submitter  : Boaz Harrosh <bharrosh@panasas.com>
Date       : 2010-03-24 15:49
Message-ID : 4BAA3493.1030802@panasas.com
References : http://marc.info/?l=linux-kernel&m=126944579810350&w=4
Handled-By : Al Viro <viro@zeniv.linux.org.uk>

This entry is being used for tracking a regression from 2.6.33.  Please don't
close it until the problem is fixed in the mainline.

Reportedly caused by:

commit 1f36f774b22a0ceb7dd33eca626746c81a97b6a5
Author: Al Viro <viro@zeniv.linux.org.uk>
Date:   Sat Dec 26 10:56:19 2009 -0500

    Switch !O_CREAT case to use of do_last()

    ... and now we have all intents crap well localized

    Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

First-Bad-Commit : 1f36f774b22a0ceb7dd33eca626746c81a97b6a5
Comment 1 Rafael J. Wysocki 2010-04-08 20:06:00 UTC 
On Thursday 08 April 2010, Boaz Harrosh wrote:
> On 04/08/2010 12:13 AM, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a summary report
> > of recent regressions.
> > 
> > The following bug entry is on the current list of known regressions
> > from 2.6.33.  Please verify if it still should be listed and let the
> tracking team
> > know (either way).
> > 
> > 
> > Bug-Entry   : http://bugzilla.kernel.org/show_bug.cgi?id=15718
> > Subject             : File corruption regression on NFS related to commit
> 1f36f774
> > Submitter   : Boaz Harrosh <bharrosh@panasas.com>
> > Date                : 2010-03-24 15:49 (15 days old)
> > First-Bad-Commit:
> http://git.kernel.org/git/linus/1f36f774b22a0ceb7dd33eca626746c81a97b6a5
> > Message-ID  : <4BAA3493.1030802@panasas.com>
> > References  : http://marc.info/?l=linux-kernel&m=126944579810350&w=4
> > Handled-By  : Al Viro <viro@zeniv.linux.org.uk>
> > 
> > 
> 
> Fix already in main line: 3e297b613491f0d4928aa652a2cd266aa06dc409
>       Author: Al Viro <viro@zeniv.linux.org.uk>
>       Restore LOOKUP_DIRECTORY hint handling in final lookup on open()