[Cluster-devel] [PATCH v4 7/7] gfs2: Invalide security labels of inodes when they go invalid

[Steven Whitehouse <swhiteho@redhat.com>]

Hi,

Acked-by: Steven Whitehouse <swhiteho@redhat.com>

Steve.

On 29/10/15 00:47, Andreas Gruenbacher wrote:
> When gfs2 releases the glock of an inode, it must invalidate all
> information cached for that inode, including the page cache and acls.  Use
> the new security_inode_invalidate_secctx hook to also invalidate security
> labels in that case.  These items will be reread from disk when needed
> after reacquiring the glock.
>
> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
> Cc: Steven Whitehouse <swhiteho@redhat.com>
> Cc: Bob Peterson <rpeterso@redhat.com>
> Cc: cluster-devel at redhat.com
> ---
>   fs/gfs2/glops.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
> index 1f6c9c3..0833076 100644
> --- a/fs/gfs2/glops.c
> +++ b/fs/gfs2/glops.c
> @@ -13,6 +13,7 @@
>   #include <linux/gfs2_ondisk.h>
>   #include <linux/bio.h>
>   #include <linux/posix_acl.h>
> +#include <linux/security.h>
>   
>   #include "gfs2.h"
>   #include "incore.h"
> @@ -262,6 +263,7 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
>   		if (ip) {
>   			set_bit(GIF_INVALID, &ip->i_flags);
>   			forget_all_cached_acls(&ip->i_inode);
> +			security_inode_invalidate_secctx(&ip->i_inode);
>   			gfs2_dir_hash_inval(ip);
>   		}
>   	}