Merge branch 'printk-rework' into for-linus

[linux-2.6-microblaze.git] / fs / overlayfs / overlayfs.h

diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index f8880aa..b487e48 100644 (file)
--- 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;