Hi, On Tue, Aug 6, 2013 at 4:14 PM, Rajat Sharma <fs.rajat@xxxxxxxxx> wrote: > sync does not purge page-cache. I think you need to place some > filesystem hooks to purge-cache and make sure nobody else reads the > file while you update the block, because it will again populate > filesystem page-cache. Purging cache might be tricky. This does the trick on the user side but for once only. I want to do something similar just after the bio write within the module itself. echo 1 > /proc/sys/vm/drop_caches _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies