Add configuration to control async reads (#105)

.gitignore

@@ -7,6 +7,7 @@
 *.so
 
 # Folders
+.idea/
 _obj
 _test
 

connection.go

@@ -161,6 +161,11 @@ func (c *Connection) Init() error {
 
 	// Tell the kernel not to use pitifully small 4 KiB writes.
 	initOp.Flags |= fusekernel.InitBigWrites
+
+	if c.cfg.EnableAsyncReads {
+		initOp.Flags |= fusekernel.InitAsyncRead
+	}
+
 	// kernel 4.20 increases the max from 32 -> 256
 	initOp.Flags |= fusekernel.InitMaxPages
 	initOp.MaxPages = 256

mount_config.go

@@ -174,6 +174,10 @@ type MountConfig struct {
 	// /proc/mounts will show the filesystem type as fuse.<Subtype>.
 	// If not set, /proc/mounts will show the filesystem type as fuse/fuseblk.
 	Subtype string
+
+	// Flag to enable async reads that are received from
+	// the kernel
+	EnableAsyncReads bool
 }
 
 // Create a map containing all of the key=value mount options to be given to