On Wed, Jun 24, 2020 at 1:23 PM Chengguang Xu <cgxu519@xxxxxxxxxxxx> wrote:
>
> In metacopy case, we should use ovl_inode_realdata() instead of
> ovl_inode_real() to get real inode which has data, so that
> we can get correct information of extentes in ->fiemap operation.
>
> Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx>
looks right
Reviewed-by: Amir Goldstein <amir73il@xxxxxxxxx>
> ---
> fs/overlayfs/inode.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
> index 981f11ec51bc..a524af04b71d 100644
> --- a/fs/overlayfs/inode.c
> +++ b/fs/overlayfs/inode.c
> @@ -472,7 +472,7 @@ static int ovl_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
> u64 start, u64 len)
> {
> int err;
> - struct inode *realinode = ovl_inode_real(inode);
> + struct inode *realinode = ovl_inode_realdata(inode);
> const struct cred *old_cred;
>
> if (!realinode->i_op->fiemap)
> --
> 2.20.1
>
>
