Add EnableAutoReaddirplus flag to MountConfig (#180)

Author: aditimittal2003

connection.go

@@ -208,8 +208,10 @@ func (c *Connection) Init() error {
 		// Enable Readdirplus support, allowing the kernel to use Readdirplus
 		initOp.Flags |= fusekernel.InitDoReaddirplus
 
-		// Enable adaptive Readdirplus, allowing the kernel to choose between Readdirplus and Readdir
-		initOp.Flags |= fusekernel.InitReaddirplusAuto
+		if c.cfg.EnableAutoReaddirplus {
+			// Enable adaptive Readdirplus, allowing the kernel to choose between Readdirplus and Readdir
+			initOp.Flags |= fusekernel.InitReaddirplusAuto
+		}
 	}
 
 	return c.Reply(ctx, nil)

mount_config.go

@@ -210,6 +210,18 @@ type MountConfig struct {
 	// by returning not just the directory entries (like ReadDir), but also their inode
 	// attributes, thereby saving one extra Lookup request per directory entry.
 	EnableReaddirplus bool
+
+	// Flag to enable adaptive ReadDirPlus.
+	// This is only effective if EnableReaddirplus is true.
+	//
+	// When both flags are set, the kernel may dynamically choose between issuing
+	// ReaddirPlus and Readdir requests based on observed access patterns.
+	// For example, `ls` (which lists filenames only) may fall back to Readdir after an initial ReaddirPlus,
+	// whereas `ls -l` is more likely to continue using ReaddirPlus.
+	//
+	// If EnableReaddirplus is true and this flag is false, the kernel will always
+	// use ReaddirPlus for directory listing.
+	EnableAutoReaddirplus bool
 }
 
 type FUSEImpl uint8