diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 2 | ||||
| -rw-r--r-- | fs/overlayfs/util.c | 10 |
2 files changed, 8 insertions, 4 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 77405e27cd64..98af19828695 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -13,10 +13,12 @@ enum ovl_path_type { __OVL_PATH_UPPER = (1 << 0), __OVL_PATH_MERGE = (1 << 1), + __OVL_PATH_ORIGIN = (1 << 2), }; #define OVL_TYPE_UPPER(type) ((type) & __OVL_PATH_UPPER) #define OVL_TYPE_MERGE(type) ((type) & __OVL_PATH_MERGE) +#define OVL_TYPE_ORIGIN(type) ((type) & __OVL_PATH_ORIGIN) #define OVL_XATTR_PREFIX XATTR_TRUSTED_PREFIX "overlay." #define OVL_XATTR_OPAQUE OVL_XATTR_PREFIX "opaque" diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index 2bd4c264ccbe..1c1b6ea7bf7c 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -83,11 +83,13 @@ enum ovl_path_type ovl_path_type(struct dentry *dentry) type = __OVL_PATH_UPPER; /* - * Non-dir dentry can hold lower dentry from previous - * location. + * Non-dir dentry can hold lower dentry of its copy up origin. */ - if (oe->numlower && d_is_dir(dentry)) - type |= __OVL_PATH_MERGE; + if (oe->numlower) { + type |= __OVL_PATH_ORIGIN; + if (d_is_dir(dentry)) + type |= __OVL_PATH_MERGE; + } } else { if (oe->numlower > 1) type |= __OVL_PATH_MERGE; |