[Cluster-devel] [GFS2 PATCH] Unlock rindex mutex on glock error

[Steven Whitehouse <swhiteho@redhat.com>]

Hi,

Now in the -nmw git tree. Thanks,

Steve.

On Wed, 2012-02-29 at 15:15 -0500, Bob Peterson wrote:
> Hi,
> 
> This patch fixes an error path in function gfs2_rindex_update
> that leaves the rindex mutex held.
> 
> Regards,
> 
> Bob Peterson
> Red Hat File Systems
> 
> Signed-off-by: Bob Peterson <rpeterso@redhat.com> 
> --
>  fs/gfs2/rgrp.c |    3 ++-
>  1 files changed, 2 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
> index 1446b4e..e09370e 100644
> --- a/fs/gfs2/rgrp.c
> +++ b/fs/gfs2/rgrp.c
> @@ -699,13 +699,14 @@ int gfs2_rindex_update(struct gfs2_sbd *sdp)
>  		if (!gfs2_glock_is_locked_by_me(gl)) {
>  			error = gfs2_glock_nq_init(gl, LM_ST_SHARED, 0, &ri_gh);
>  			if (error)
> -				return error;
> +				goto out_unlock;
>  			unlock_required = 1;
>  		}
>  		if (!sdp->sd_rindex_uptodate)
>  			error = gfs2_ri_update(ip);
>  		if (unlock_required)
>  			gfs2_glock_dq_uninit(&ri_gh);
> +out_unlock:
>  		mutex_unlock(&sdp->sd_rindex_mutex);
>  	}
>  
>