[PATCH 5/6] leases: break leases on any attribute modification

[J. Bruce Fields]

On Wed, Sep 21, 2011 at 10:58:16AM -0400, J. Bruce Fields wrote:
> NFSv4 uses leases to guarantee that clients can cash metadata as well as
						  ^^^^

Um, you know what I meant.  Corrected in my local repo.--b.


> data.
> 
> (I suspect the same is true for Samba.)
> 
> This covers chmod, chown, etc.
> 
> Signed-off-by: J. Bruce Fields <bfields at redhat.com>
> ---
>  fs/attr.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/attr.c b/fs/attr.c
> index 538e279..4ce31cb 100644
> --- a/fs/attr.c
> +++ b/fs/attr.c
> @@ -231,6 +231,9 @@ int notify_change(struct dentry * dentry, struct iattr * attr)
>  	error = security_inode_setattr(dentry, attr);
>  	if (error)
>  		return error;
> +	error = break_lease(inode, O_WRONLY);
> +	if (error)
> +		return error;
>  
>  	if (inode->i_op->setattr)
>  		error = inode->i_op->setattr(dentry, attr);
> -- 
> 1.7.4.1
>