ovl: disable index when no xattr support (a683737b) · Commits · 戴 / test

Overlayfs falls back to index=off if lower/upper fs does not support file handles. Do the same if upper fs does not support xattr. Signed-off-by:

fs/overlayfs/super.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -968,7 +968,8 @@ static int ovl_make_workdir(struct ovl_fs ofs, struct path workpath)
		err = ovl_do_setxattr(ofs->workdir, OVL_XATTR_OPAQUE, "0", 1, 0);
		if (err) {
		ofs->noxattr = true;
		pr_warn("overlayfs: upper fs does not support xattr.\n");
		ofs->config.index = false;
		pr_warn("overlayfs: upper fs does not support xattr, falling back to index=off.\n");
		err = 0;
		} else {
		vfs_removexattr(ofs->workdir, OVL_XATTR_OPAQUE);