Re: Change in NFS client behavior

[Rob Sims <lkml-z@robsims.com>]

On Fri, Sep 02, 2005 at 12:19:07AM -0400, Trond Myklebust wrote:
> fr den 02.09.2005 Klokka 00:15 (-0400) skreiv Trond Myklebust:
> 
> > Sure. The other problem is that the test is made before the i_sem is
> > grabbed. OK, so how about the appended patch instead?
> 
> Doh!
> 
> Trond

> VFS/NFS: Fix up behaviour w.r.t. truncate() and open(O_TRUNC)
> 
>  POSIX and the SUSv3 specify that open(O_TRUNC) should always bump ctime/mtime
>  whereas truncate() should only do so if the file size actually changes.
> 
>  Fix the behaviour of NFS, which currently is broken w.r.t. open(), and fix
>  the VFS truncate() so that it no enforces the POSIX rules.
> 
>  Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
> ---
>  attr.c      |   14 +++-----------
>  nfs/inode.c |    5 -----
>  open.c      |   25 +++++++++++++++++++++++--
>  3 files changed, 26 insertions(+), 18 deletions(-)

This patch does not fix the original issue - timestamps are not updated
as expected.
-- 
Rob
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