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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 <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Amir Goldstein 2017-09-19 12:14:18 +03:00 committed by Miklos Szeredi
parent 9678e63030
commit a683737ba9
1 changed files with 2 additions and 1 deletions
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3
fs/overlayfs/super.c
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@ -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); err = ovl_do_setxattr(ofs->workdir, OVL_XATTR_OPAQUE, "0", 1, 0);
if (err) { if (err) {
ofs->noxattr = true; 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; err = 0;
} else { } else {
vfs_removexattr(ofs->workdir, OVL_XATTR_OPAQUE); vfs_removexattr(ofs->workdir, OVL_XATTR_OPAQUE);