diff options
Diffstat (limited to 'fs/overlayfs/params.c')
| -rw-r--r-- | fs/overlayfs/params.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/overlayfs/params.c b/fs/overlayfs/params.c index 1ff93467e793..5a59c87c1dfe 100644 --- a/fs/overlayfs/params.c +++ b/fs/overlayfs/params.c @@ -801,6 +801,11 @@ int ovl_fs_params_verify(const struct ovl_fs_context *ctx, config->ovl_volatile = false; } + if (!config->upperdir && config->uuid == OVL_UUID_ON) { + pr_info("option \"uuid=on\" requires an upper fs, falling back to uuid=null.\n"); + config->uuid = OVL_UUID_NULL; + } + /* Resolve verity -> metacopy dependency */ if (config->verity_mode && !config->metacopy) { /* Don't allow explicit specified conflicting combinations */ |