On Thu, Jan 04, 2018 at 06:40:09PM +0200, Amir Goldstein wrote: > With the 'verify' feature enabled, all files are indexed on copy up. > The copy up origin inode of an indexed non-dir can be used as a unique > identifier of the overlay object. > > This is going to be used for NFS export. > > Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx> > --- > fs/overlayfs/util.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c > index 0254d7f0d401..f40351dcea7b 100644 > --- a/fs/overlayfs/util.c > +++ b/fs/overlayfs/util.c > @@ -491,6 +491,10 @@ bool ovl_need_index(struct dentry *dentry) > if (!lower || !ovl_indexdir(dentry->d_sb)) > return false; > > + /* Index all files for unique origin verification */ > + if (!d_is_dir(lower) && ovl_verify(dentry->d_sb)) > + return true; If all files are indexd up with verify=on, what is this check about "!d_is_dir()"? Vivek > + > /* Index only lower hardlinks on copy up */ > if (!d_is_dir(lower) && d_inode(lower)->i_nlink > 1) > return true; > -- > 2.7.4 > > -- > 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 -- 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
