From f106b1b136a4ffc5836dea5102700c98aca69bbc Mon Sep 17 00:00:00 2001
From: Stepan Koltsov <stepan.koltsov@gmail.com>
Date: Fri, 16 Jan 2026 06:37:29 +0000
Subject: [PATCH] Log when failed to close backing id

---
 src/passthrough.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/passthrough.rs b/src/passthrough.rs
index 7238ca62..15ad8e04 100644
--- a/src/passthrough.rs
+++ b/src/passthrough.rs
@@ -1,9 +1,9 @@
+use crate::dev_fuse::DevFuse;
+use log::error;
 use std::os::fd::AsFd;
 use std::os::unix::io::AsRawFd;
 use std::sync::{Arc, Weak};
 
-use crate::dev_fuse::DevFuse;
-
 #[repr(C)]
 struct fuse_backing_map {
     fd: u32,
@@ -70,7 +70,10 @@ impl BackingId {
 impl Drop for BackingId {
     fn drop(&mut self) {
         if let Some(ch) = self.channel.upgrade() {
-            let _ = unsafe { fuse_dev_ioc_backing_close(ch.as_raw_fd(), &self.backing_id) };
+            if let Err(e) = unsafe { fuse_dev_ioc_backing_close(ch.as_raw_fd(), &self.backing_id) }
+            {
+                error!("Failed to close backing fd: {e}");
+            }
         }
     }
 }