---
title: "Discussion on \"Linux Kernel VFS Pathname Lookup: RCU-Walk vs. Ref-Walk and dcache Scaling\" | Hashnode"
description: "Discussion on \"Linux Kernel VFS Pathname Lookup: RCU-Walk vs. Ref-Walk and dcache Scaling\". In high-concurrency Linux server environments, open(), stat(), and execve() system calls resolve file paths through the Virtual Filesystem (VFS) layer (fs/namei.c). Under multi-core load, naive refere"
url: "https://hashnode.com/posts/linux-kernel-vfs-pathname-lookup-rcu-walk-vs-ref-walk-and-dcache-scaling/6af4ecb8d2fb9a9d747b58ba"
---

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# [Linux Kernel VFS Pathname Lookup: RCU-Walk vs. Ref-Walk and dcache Scaling](https://trendspike.hashnode.dev/linux-kernel-vfs-pathname-lookup-rcu-walk-vs-ref-walk-and-dcache-scaling?utm_source=hashnode&utm_medium=feed)

In high-concurrency Linux server environments, open(), stat(), and execve() system calls resolve file paths through the Virtual Filesystem (VFS) layer (fs/namei.c). Under multi-core load, naive refere

1h ago · 1 min read · trendspike.hashnode.dev  
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