diff options
Diffstat (limited to 'fs/overlayfs/util.c')
| -rw-r--r-- | fs/overlayfs/util.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 81585cad055d..5fdaa9408c84 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -250,6 +250,17 @@ struct dentry *ovl_i_dentry_upper(struct inode *inode) return ovl_upperdentry_dereference(OVL_I(inode)); } +void ovl_i_path_real(struct inode *inode, struct path *path) +{ + path->dentry = ovl_i_dentry_upper(inode); + if (!path->dentry) { + path->dentry = OVL_I(inode)->lowerpath.dentry; + path->mnt = OVL_I(inode)->lowerpath.layer->mnt; + } else { + path->mnt = ovl_upper_mnt(OVL_FS(inode->i_sb)); + } +} + struct inode *ovl_inode_upper(struct inode *inode) { struct dentry *upperdentry = ovl_i_dentry_upper(inode); @@ -259,7 +270,9 @@ struct inode *ovl_inode_upper(struct inode *inode) struct inode *ovl_inode_lower(struct inode *inode) { - return OVL_I(inode)->lower; + struct dentry *lowerdentry = OVL_I(inode)->lowerpath.dentry; + + return lowerdentry ? d_inode(lowerdentry) : NULL; } struct inode *ovl_inode_real(struct inode *inode) |