On Mon, Apr 24, 2017 at 9:26 PM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> The optimization for opaque dir create was wrongly being applied
> also to non-dir create.
>
> Fixes: 97c684cc9110 ("ovl: create directories inside merged parent opaque")
> Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.10
Thanks, applied.
Miklos
> ---
> fs/overlayfs/dir.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
> index 6ef35e8..5d64550 100644
> --- a/fs/overlayfs/dir.c
> +++ b/fs/overlayfs/dir.c
> @@ -228,7 +228,7 @@ static int ovl_create_upper(struct dentry *dentry, struct inode *inode,
> if (err)
> goto out_dput;
>
> - if (ovl_type_merge(dentry->d_parent)) {
> + if (ovl_type_merge(dentry->d_parent) && d_is_dir(newdentry)) {
> /* Setting opaque here is just an optimization, allow to fail */
> ovl_set_opaque(dentry, newdentry);
> }
> --
> 2.7.4
>
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