From c1d3dea4f77d0ebebc27877ed5a3540fef2e96fd Mon Sep 17 00:00:00 2001
From: Alejandro Soto <alejandro@34project.org>
Date: Mon, 3 Jan 2022 12:01:13 -0600
Subject: Implement flush operation

---
 src/fuse/ops.rs     | 19 +++++++++++++++++++
 src/fuse/session.rs |  3 +++
 2 files changed, 22 insertions(+)

diff --git a/src/fuse/ops.rs b/src/fuse/ops.rs
index 31b2b75..6bb307a 100644
--- a/src/fuse/ops.rs
+++ b/src/fuse/ops.rs
@@ -489,6 +489,25 @@ op! {
     }
 }
 
+op! {
+    Flush {
+        type RequestBody = &'o proto::FlushIn;
+        type ReplyTail = ();
+    }
+
+    impl Request {
+        pub fn handle(&self) -> u64 {
+            self.body.fh
+        }
+    }
+
+    impl Reply {
+        pub fn ok(self) -> Done<'o> {
+            self.empty()
+        }
+    }
+}
+
 op! {
     Opendir {
         type RequestBody = &'o proto::OpendirIn;
diff --git a/src/fuse/session.rs b/src/fuse/session.rs
index 39e63b0..e3af41b 100644
--- a/src/fuse/session.rs
+++ b/src/fuse/session.rs
@@ -66,6 +66,7 @@ pub enum Dispatch<'o> {
     Getxattr(Incoming<'o, ops::Getxattr>),
     Listxattr(Incoming<'o, ops::Listxattr>),
     Removexattr(Incoming<'o, ops::Removexattr>),
+    Flush(Incoming<'o, ops::Flush>),
     Opendir(Incoming<'o, ops::Opendir>),
     Readdir(Incoming<'o, ops::Readdir>),
     Releasedir(Incoming<'o, ops::Releasedir>),
@@ -237,6 +238,7 @@ impl<'o> Dispatch<'o> {
             Getxattr(incoming) => incoming.common,
             Listxattr(incoming) => incoming.common,
             Removexattr(incoming) => incoming.common,
+            Flush(incoming) => incoming.common,
             Opendir(incoming) => incoming.common,
             Readdir(incoming) => incoming.common,
             Releasedir(incoming) => incoming.common,
@@ -311,6 +313,7 @@ impl Endpoint<'_> {
                 Getxattr => dispatch!(Getxattr),
                 Listxattr => dispatch!(Listxattr),
                 Removexattr => dispatch!(Removexattr),
+                Flush => dispatch!(Flush),
                 Opendir => dispatch!(Opendir),
                 Readdir => dispatch!(Readdir),
                 Releasedir => dispatch!(Releasedir),
-- 
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