Project 6 - File System

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Project 6 Project Scope What is this virtual block device? Stores blocks in a regular NT file. Creating a disk ⇒ create the NT file. Spin-up a disk ⇒ open the NT file. We support just one disk which will contain all of your MINIFILESYSTEM. The block device is just a raw stream of bytes with no organization. Need to create any and all structures on top of the block device.
Project 6 Project Scope How does this block device work? Block-level operations Read/write take a block-sized buffer, and block number. Blocks are hard coded using DISK_BLOCK_SIZE. Operations are asynchronous (just like a real device). You schedule requests by a control call to the device. A limited number of requests may be processed at any one time. Requests will be arbitrarily delayed and re-ordered. Asynchronous events complete by means of an interrupt. Once again, you’ll need to write an interrupt handler.
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