NetBSD Problem Report #43617

From www@NetBSD.org  Wed Jul 14 17:26:04 2010
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Date: Wed, 14 Jul 2010 17:26:03 +0000 (UTC)
From: pooka@iki.fi
Reply-To: pooka@iki.fi
To: gnats-bugs@NetBSD.org
Subject: tmpfs rename dir1 dir2/.. succeeds
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>Number:         43617
>Category:       kern
>Synopsis:       tmpfs rename dir1 dir2/.. succeeds
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    rmind
>State:          closed
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jul 14 17:30:00 +0000 2010
>Closed-Date:    Sun May 29 22:47:12 +0000 2011
>Last-Modified:  Sun May 29 22:47:12 +0000 2011
>Originator:     Antti Kantee
>Release:        
>Organization:
>Environment:
>Description:
Other file systems fail with EINVAL.  Nothing perceivable happens,
though.  I did not analyze it further to see if some state gets
corrupted.

will commit test soon
>How-To-Repeat:

>Fix:

>Release-Note:

>Audit-Trail:
From: Antti Kantee <pooka@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/43617 CVS commit: src/tests/fs/vfs
Date: Wed, 14 Jul 2010 20:45:49 +0000

 Module Name:	src
 Committed By:	pooka
 Date:		Wed Jul 14 20:45:49 UTC 2010

 Modified Files:
 	src/tests/fs/vfs: t_vnops.c

 Log Message:
 Add an assortment of rename tests.  Not complete, but at least tests
 something.

 This contains the tests for PR kern/43616 and PR kern/43617.


 To generate a diff of this commit:
 cvs rdiff -u -r1.1 -r1.2 src/tests/fs/vfs/t_vnops.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

From: "Mindaugas Rasiukevicius" <rmind@netbsd.org>
To: gnats-bugs@gnats.NetBSD.org
Cc: 
Subject: PR/43617 CVS commit: src/sys/fs/tmpfs
Date: Sun, 29 May 2011 22:29:08 +0000

 Module Name:	src
 Committed By:	rmind
 Date:		Sun May 29 22:29:07 UTC 2011

 Modified Files:
 	src/sys/fs/tmpfs: tmpfs.h tmpfs_subr.c tmpfs_vfsops.c tmpfs_vnops.c

 Log Message:
 - Rework and document inode reference counting.  Also document inode life
   cycle (destruction part).  Perform link counting in tmpfs_dir_attach()
   and tmpfs_dir_detach(), instead of alloc/free and arbitrary places.
   Fixes PR/44285, PR/44288, PR/44657 and likely PR/42484.

 - Fix the race between the lookup and inode destruction.  Fixes PR/43167
   and its duplicates PR/40088, PR/40757.

 - Improve tmpfs_rename() locking a little, fix kqueue event notifications
   and also fix PR/43617.  Add simplistic tmpfs_parentcheck_p(); to be
   expanded and used for further rename() locking fixes.

 - Cache directory entry "hint" in the tmpfs node, add tmpfs_dir_cached(),
   and thus avoid unnecessary lookup in tmpfs_remove() and tmpfs_rmdir().

 - Set correct _PC_FILESIZEBITS value in tmpfs_pathconf().  Fixes PR/43576.

 - Few minor fixes.


 To generate a diff of this commit:
 cvs rdiff -u -r1.43 -r1.44 src/sys/fs/tmpfs/tmpfs.h
 cvs rdiff -u -r1.70 -r1.71 src/sys/fs/tmpfs/tmpfs_subr.c
 cvs rdiff -u -r1.50 -r1.51 src/sys/fs/tmpfs/tmpfs_vfsops.c
 cvs rdiff -u -r1.84 -r1.85 src/sys/fs/tmpfs/tmpfs_vnops.c

 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

Responsible-Changed-From-To: kern-bug-people->rmind
Responsible-Changed-By: rmind@NetBSD.org
Responsible-Changed-When: Sun, 29 May 2011 22:47:12 +0000
Responsible-Changed-Why:


State-Changed-From-To: open->closed
State-Changed-By: rmind@NetBSD.org
State-Changed-When: Sun, 29 May 2011 22:47:12 +0000
State-Changed-Why:
Fixed, thanks.


>Unformatted:

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