From a683737ba924cd2985f6e7350520f449915ff8f9 Mon Sep 17 00:00:00 2001 From: Amir Goldstein Date: Tue, 19 Sep 2017 12:14:18 +0300 Subject: [PATCH] ovl: disable index when no xattr support 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: Amir Goldstein Signed-off-by: Miklos Szeredi --- fs/overlayfs/super.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 3387e6d639a5..f3281f0b2388 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -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);