[Cluster-devel] [GFS2 PATCH] GFS2: put glock reference in error patch of read_rindex_entry

[Steven Whitehouse]

Hi,

On Thu, 2012-03-22 at 08:58 -0400, Bob Peterson wrote:
> Hi,
> 
> This patch fixes the error path of function read_rindex_entry
> so that it correctly gives up its glock reference in cases where
> there is a race to re-read the rindex after gfs2_grow.
> 
> Regards,
> 
I'll add this to the -fixes tree shortly,

Steve.

> Bob Peterson
> Red Hat File Systems
> 
> Signed-off-by: Bob Peterson <rpeterso at redhat.com> 
> ---
> diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
> index 19bde40..19354a2 100644
> --- a/fs/gfs2/rgrp.c
> +++ b/fs/gfs2/rgrp.c
> @@ -640,6 +640,7 @@ static int read_rindex_entry(struct gfs2_inode *ip,
>  		return 0;
>  
>  	error = 0; /* someone else read in the rgrp; free it and ignore it */
> +	gfs2_glock_put(rgd->rd_gl);
>  
>  fail:
>  	kfree(rgd->rd_bits);
>