Messages in this thread | | | Date | Mon, 3 Feb 2003 20:57:14 -0800 | From | David Ashley <> | Subject | Block device invalidate cached blocks |
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I'm working on a block device driver for linux.
Linux caches the blocks read from my block device, which is fine. I've mounted a read-only filesystem on the block device. But sometimes on the back end the file system will change. Is there a way I can cause the kernel to just flush all its cached blocks? Or even better invalidate just the few blocks that have changed?
Thanks-- Dave
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