diff options
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 453610fb9bf9..000dd89fe319 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -68,6 +68,12 @@ enum { }; enum { + OVL_UUID_OFF, + OVL_UUID_NULL, + OVL_UUID_ON, +}; + +enum { OVL_XINO_OFF, OVL_XINO_AUTO, OVL_XINO_ON, @@ -534,6 +540,16 @@ static inline bool ovl_redirect_dir(struct ovl_fs *ofs) return ofs->config.redirect_mode == OVL_REDIRECT_ON; } +static inline bool ovl_origin_uuid(struct ovl_fs *ofs) +{ + return ofs->config.uuid != OVL_UUID_OFF; +} + +static inline bool ovl_has_fsid(struct ovl_fs *ofs) +{ + return ofs->config.uuid == OVL_UUID_ON; +} + /* * With xino=auto, we do best effort to keep all inodes on same st_dev and * d_ino consistent with st_ino. |