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ovl: Do not check for redirect if this is last layer 

If we are looking in last layer, then there should not be any need to
process redirect. redirect information is used only for lookup in next
lower layer and there is no more lower layer to look into. So no need
to process redirects.

IOW, ignore redirects on lowest layer.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Vivek Goyal 2018-03-09 15:44:42 -05:00 committed by Miklos Szeredi
parent 8b58924ad5
commit e9b77f90cc
1 changed files with 4 additions and 1 deletions
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5
fs/overlayfs/namei.c
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@ -258,7 +258,10 @@ static int ovl_lookup_single(struct dentry *base, struct ovl_lookup_data *d,
goto out;
}
d->is_dir = true;
if (!d->last && ovl_is_opaquedir(this)) {
if (d->last)
goto out;
if (ovl_is_opaquedir(this)) {
d->stop = d->opaque = true;
goto out;
}