diff options
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index db75955f9677..25794a3a3fe1 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -27,6 +27,7 @@ enum ovl_path_type { #define OVL_XATTR_ORIGIN OVL_XATTR_PREFIX "origin" #define OVL_XATTR_IMPURE OVL_XATTR_PREFIX "impure" #define OVL_XATTR_NLINK OVL_XATTR_PREFIX "nlink" +#define OVL_XATTR_UPPER OVL_XATTR_PREFIX "upper" enum ovl_flag { /* Pure upper dir that may contain non pure upper entries */ @@ -266,6 +267,12 @@ static inline int ovl_verify_origin(struct dentry *upper, return ovl_verify_set_fh(upper, OVL_XATTR_ORIGIN, origin, false, set); } +static inline int ovl_verify_upper(struct dentry *index, + struct dentry *upper, bool set) +{ + return ovl_verify_set_fh(index, OVL_XATTR_UPPER, upper, true, set); +} + /* readdir.c */ extern const struct file_operations ovl_dir_operations; int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list); |