Re: kern/38057: ffs makes assuptions about devvp file system

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

The following reply was made to PR kern/38057; it has been noted by GNATS.

From: yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, 
netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/38057: ffs makes assuptions about devvp file system
Date: Tue, 19 Feb 2008 14:17:17 +0900 (JST)

 > >Number:         38057
 > >Category:       kern
 > >Synopsis:       ffs makes assuptions about devvp file system
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       high
 > >Responsible:    kern-bug-people
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Mon Feb 18 16:40:01 +0000 2008
 > >Originator:     Antti Kantee
 > >Release:        
 > >Organization:
 > oh no!  more fail systems
 > >Environment:
 > >Description:
 > ffs VFS_SYNC/VOP_FSYNC assumes that the device vnode the file system is 
 > mounted from will be ffs.  Otherwise correct routines will not be called, 
 > especially for softdep.  As a simple example, tmpfs relegates VOP_FSYNC to 
 > spec_fsync, which simply calls vflushbuf() without any regard for 
 > ffs_full_fsync() hoops and tricks.
 > >How-To-Repeat:
 > 
 > >Fix:
 
 PR/33406 is related.
 
 YAMAMOTO Takashi