[Cluster-devel] [GFS2 Patch] GFS2: O_TRUNC not working on stuffed files across cluster

[Steven Whitehouse <swhiteho@redhat.com>]

Hi,

Now in the -nmw tree. Thanks,

Steve.

On Thu, 2010-06-24 at 19:15 -0400, Bob Peterson wrote:
> Hi,
> 
> This patch replaces a statement that got dropped out by accident.
> Without the patch, truncates on stuffed (very small) files cause
> those files to have an unpredictable size.
> 
> Regards,
> 
> Bob Peterson
> Red Hat File Systems
> 
> 
> Signed-off-by: Bob Peterson <rpeterso@redhat.com>
> --
>  fs/gfs2/bmap.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
> index 0db0cd9..a7b1c7c 100644
> --- a/fs/gfs2/bmap.c
> +++ b/fs/gfs2/bmap.c
> @@ -1042,6 +1042,7 @@ static int trunc_start(struct gfs2_inode *ip, u64 size)
>  
>  	if (gfs2_is_stuffed(ip)) {
>  		u64 dsize = size + sizeof(struct gfs2_inode);
> +		ip->i_disksize = size;
>  		ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME;
>  		gfs2_trans_add_bh(ip->i_gl, dibh, 1);
>  		gfs2_dinode_out(ip, dibh->b_data);