Jan 9, 2023 · Fundamentals

Demystifying Linux I/O: From VFS and Inodes to ZFS and Block Layer

This article explains how Linux handles I/O operations, covering the virtual file system, inode and dentry structures, superblock layout, ZFS features, disk types, the generic block layer, I/O scheduling strategies, and key performance metrics for storage.

Block LayerI/OLinux

0 likes · 18 min read

Demystifying Linux I/O: From VFS and Inodes to ZFS and Block Layer

OPPO Kernel Craftsman

Sep 18, 2020 · Fundamentals

Linux SCSI Subsystem Architecture and Design Framework

The article thoroughly examines the Linux SCSI subsystem architecture, illustrating how abstract hardware topology—hosts, channels, IDs, and LUNs—is modeled in software through structs such as scsi_host and scsi_device, and detailing initialization, scanning, path establishment, power management, and block‑layer integration to guide kernel storage driver design.

Block LayerData StructuresLinux kernel

0 likes · 20 min read

Linux SCSI Subsystem Architecture and Design Framework