diff options
Diffstat (limited to 'fs/overlayfs/overlayfs.h')
| -rw-r--r-- | fs/overlayfs/overlayfs.h | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index f8880aa2ba0e..b487e48c7fd4 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -22,7 +22,9 @@ enum ovl_path_type { #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_NAMESPACE "overlay." +#define OVL_XATTR_TRUSTED_PREFIX XATTR_TRUSTED_PREFIX OVL_XATTR_NAMESPACE +#define OVL_XATTR_USER_PREFIX XATTR_USER_PREFIX OVL_XATTR_NAMESPACE enum ovl_xattr { OVL_XATTR_OPAQUE, @@ -113,10 +115,10 @@ struct ovl_fh { #define OVL_FH_FID_OFFSET (OVL_FH_WIRE_OFFSET + \ offsetof(struct ovl_fb, fid)) -extern const char *ovl_xattr_table[]; +extern const char *const ovl_xattr_table[][2]; static inline const char *ovl_xattr(struct ovl_fs *ofs, enum ovl_xattr ox) { - return ovl_xattr_table[ox]; + return ovl_xattr_table[ox][ofs->config.userxattr]; } static inline int ovl_do_rmdir(struct inode *dir, struct dentry *dentry) @@ -383,8 +385,8 @@ static inline int ovl_check_fh_len(struct ovl_fh *fh, int fh_len) return ovl_check_fb_len(&fh->fb, fh_len - OVL_FH_WIRE_OFFSET); } -struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt, - bool connected); +struct dentry *ovl_decode_real_fh(struct ovl_fs *ofs, struct ovl_fh *fh, + struct vfsmount *mnt, bool connected); int ovl_check_origin_fh(struct ovl_fs *ofs, struct ovl_fh *fh, bool connected, struct dentry *upperdentry, struct ovl_path **stackp); int ovl_verify_set_fh(struct ovl_fs *ofs, struct dentry *dentry, @@ -392,7 +394,8 @@ int ovl_verify_set_fh(struct ovl_fs *ofs, struct dentry *dentry, bool set); struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index); int ovl_verify_index(struct ovl_fs *ofs, struct dentry *index); -int ovl_get_index_name(struct dentry *origin, struct qstr *name); +int ovl_get_index_name(struct ovl_fs *ofs, struct dentry *origin, + struct qstr *name); struct dentry *ovl_get_index_fh(struct ovl_fs *ofs, struct ovl_fh *fh); struct dentry *ovl_lookup_index(struct ovl_fs *ofs, struct dentry *upper, struct dentry *origin, bool verify); @@ -514,9 +517,10 @@ int ovl_maybe_copy_up(struct dentry *dentry, int flags); int ovl_copy_xattr(struct super_block *sb, struct dentry *old, struct dentry *new); int ovl_set_attr(struct dentry *upper, struct kstat *stat); -struct ovl_fh *ovl_encode_real_fh(struct dentry *real, bool is_upper); -int ovl_set_origin(struct dentry *dentry, struct dentry *lower, - struct dentry *upper); +struct ovl_fh *ovl_encode_real_fh(struct ovl_fs *ofs, struct dentry *real, + bool is_upper); +int ovl_set_origin(struct ovl_fs *ofs, struct dentry *dentry, + struct dentry *lower, struct dentry *upper); /* export.c */ extern const struct export_operations ovl_export_operations; |