From f2c8e5d9ebafa94c5d3e76a5ab6ca3f9c9fb0ff9 Mon Sep 17 00:00:00 2001
From: Antonio SJ Musumeci <trapexit@spawn.link>
Date: Wed, 1 Apr 2026 14:34:55 -0500
Subject: [PATCH] Add FUSE request_timeout

Not yet hooked up to config parser to set as need to evaluate usage.
---
 vendored/libfuse/include/fuse_cfg.hpp  | 2 ++
 vendored/libfuse/lib/debug.cpp         | 8 ++++++--
 vendored/libfuse/lib/fuse_lowlevel.cpp | 6 ++++++
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/vendored/libfuse/include/fuse_cfg.hpp b/vendored/libfuse/include/fuse_cfg.hpp
index 87dce1a7..1cedb2f5 100644
--- a/vendored/libfuse/include/fuse_cfg.hpp
+++ b/vendored/libfuse/include/fuse_cfg.hpp
@@ -46,6 +46,8 @@ public:
   int process_thread_count = -1;
   int process_thread_queue_depth = 2;
   std::string pin_threads = "false";
+
+  u16 request_timeout = 0;
 };
 
 extern fuse_cfg_t fuse_cfg;
diff --git a/vendored/libfuse/lib/debug.cpp b/vendored/libfuse/lib/debug.cpp
index d9435627..57a48c2c 100644
--- a/vendored/libfuse/lib/debug.cpp
+++ b/vendored/libfuse/lib/debug.cpp
@@ -1212,6 +1212,7 @@ fuse_syslog_fuse_init_out(const struct fuse_init_out *arg_)
                        " max_pages={};"
                        " map_alignment={};"
                        " max_stack_depth={};"
+                       " request_timeout={};"
                        " flags=(",
                        arg_->major,
                        arg_->minor,
@@ -1222,7 +1223,8 @@ fuse_syslog_fuse_init_out(const struct fuse_init_out *arg_)
                        arg_->time_gran,
                        arg_->max_pages,
                        arg_->map_alignment,
-                       arg_->max_stack_depth);
+                       arg_->max_stack_depth,
+                       arg_->request_timeout);
 
   for(uint64_t i = 0; i < (sizeof(flags)*8); i++)
     {
@@ -1268,6 +1270,7 @@ fuse_debug_init_out(const uint64_t              unique_,
              " time_gran={}"
              " max_pages={}"
              " map_alignment={}"
+             " request_timeout={}"
              "\n",
              _timestamp_ns(),
              unique_,
@@ -1282,7 +1285,8 @@ fuse_debug_init_out(const uint64_t              unique_,
              arg_->max_write,
              arg_->time_gran,
              arg_->max_pages,
-             arg_->map_alignment);
+             arg_->map_alignment,
+             arg_->request_timeout);
 }
 
 static
diff --git a/vendored/libfuse/lib/fuse_lowlevel.cpp b/vendored/libfuse/lib/fuse_lowlevel.cpp
index c140eb5f..2e093ab8 100644
--- a/vendored/libfuse/lib/fuse_lowlevel.cpp
+++ b/vendored/libfuse/lib/fuse_lowlevel.cpp
@@ -1255,6 +1255,12 @@ do_init(fuse_req_t            *req,
       outarg.max_stack_depth = fuse_cfg.passthrough_max_stack_depth;
     }
 
+  if((inargflags & FUSE_REQUEST_TIMEOUT) && fuse_cfg.request_timeout)
+    {
+      outargflags |= FUSE_REQUEST_TIMEOUT;
+      outarg.request_timeout = fuse_cfg.request_timeout;
+    }
+
   if(inargflags & FUSE_INIT_EXT)
     {
       outargflags |= FUSE_INIT_EXT;