userns: Convert sysfs to use kgid/kuid where appropriate

Acked-by: NSerge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: NEric W. Biederman <ebiederm@xmission.com>

fs/sysfs/inode.c

@@ -62,8 +62,8 @@ static struct sysfs_inode_attrs *sysfs_init_inode_attrs(struct sysfs_dirent *sd)
 
 	/* assign default attributes */
 	iattrs->ia_mode = sd->s_mode;
-	iattrs->ia_uid = 0;
-	iattrs->ia_gid = 0;
+	iattrs->ia_uid = GLOBAL_ROOT_UID;
+	iattrs->ia_gid = GLOBAL_ROOT_GID;
 	iattrs->ia_atime = iattrs->ia_mtime = iattrs->ia_ctime = CURRENT_TIME;
 
 	return attrs;

init/Kconfig

@@ -952,7 +952,6 @@ config UIDGID_CONVERTED
 	depends on QNX6FS_FS = n
 	depends on REISERFS_FS = n
 	depends on SQUASHFS = n
-	depends on SYSFS = n
 	depends on SYSV_FS = n
 	depends on TMPFS = n
 	depends on UBIFS_FS = n