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Re: [Cluster-devel] [GFS2 PATCH] bz502531 - GFS2: smbd proccess hangs with flock() call.



Hi,

Now applied to the -nmw git tree. Thanks,

Steve.

On Mon, 2009-06-01 at 12:30 -0500, Abhijith Das wrote:
> GFS2 currently does not support mandatory flocks. An flock() call with
> LOCK_MAND triggers unexpected behavior because gfs2 is not checking for
> this lock type. This patch corrects that.
> 
> Signed-off-by: Abhi Das <adas redhat com>
> plain text document attachment (bz502531-git.patch)
> diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
> index 73b6f55..841ddc9 100644
> --- a/fs/gfs2/file.c
> +++ b/fs/gfs2/file.c
> @@ -698,8 +698,8 @@ static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl)
>  
>  	if (!(fl->fl_flags & FL_FLOCK))
>  		return -ENOLCK;
> -	if (__mandatory_lock(&ip->i_inode))
> -		return -ENOLCK;
> +	if (fl->fl_type & LOCK_MAND)
> +		return -EOPNOTSUPP;
>  
>  	if (fl->fl_type == F_UNLCK) {
>  		do_unflock(file, fl);


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