On Wed, Jun 14, 2017 at 10:26 AM, Amir Goldstein <amir73il@xxxxxxxxx> wrote:
> Introduce ovl_inode_info struct that is embedded in ovl_inode
> and contains a reference to lowerinode and/or upperinode.
>
> Storing the upper/lower real inode in ovl_inode_info replaces
> the method of storing realinode & ISUPPER flag in vfs inode
> i_private field.
>
> This will be used for hashing overlay inodes before copy up.
>
> Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>
> ---
> +struct inode *ovl_inode_real(struct inode *inode, bool *is_upper)
> +{
> + struct ovl_inode_info *oi = OVL_I_INFO(inode);
> + struct inode *realinode;
> +
> + realinode = READ_ONCE(oi->__upperinode);
> + if (!realinode)
> + realinode = oi->lowerinode;
> + else if (is_upper)
> + *is_upper = true;
oops, bug, not setting false (caught by ./run --ov rmdir):
if (is_upper)
*is_upper = !realinode;
> +
> + return realinode;
> }
>
--
To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
