Implement a floppy disk driver that works as a character, rather than a block device, to bypass
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Implement a floppy disk driver that works as a character, rather than a block device, to bypass the file system’s block cache. In this way, users can read large chunks of data from the disk, which are DMA’ed directly to user space, greatly improving performance. This driver would primarily be of interest to programs that need to read the raw bits on the disk, without regard to the file system. File system checkers fall into this category.
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Implementing a floppy disk driver as a character device rather than a block device allows direct access to the raw data on the disk This can be benefi...View the full answer
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Related Book For
Operating Systems Design And Implementation
ISBN: 9780131429383
3rd Edition
Authors: Andrew Tanenbaum, Albert Woodhull
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