diff options
Diffstat (limited to 'fs/overlayfs/super.c')
| -rw-r--r-- | fs/overlayfs/super.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 9828b7de8999..f1647626a882 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -891,6 +891,19 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) dput(temp); else pr_warn("overlayfs: upper fs does not support tmpfile.\n"); + + /* + * Check if upper/work fs supports trusted.overlay.* + * xattr + */ + err = ovl_do_setxattr(ufs->workdir, OVL_XATTR_OPAQUE, + "0", 1, 0); + if (err) { + ufs->noxattr = true; + pr_warn("overlayfs: upper fs does not support xattr.\n"); + } else { + vfs_removexattr(ufs->workdir, OVL_XATTR_OPAQUE); + } } } |