Hello, I have some questions regarding caching in BTRFS. When a file system is unmounted and mounted again, would all the previously cached content be removed from the cache after flushing to disk? After remounting, would the initial requests always be fetched from the disk? Rather than a local disk, I have a remote device to which my IO requests are sent and from which the data is fetched. I need certain data to be fetched from the remote device after a remount. But somehow I do not see any request appearing at the device. I even tried to do drop_caches after remounting the file system, but that does not seem to help. I guess my problem is not related to BTRFS, but since I am working with BTRFS, I wanted to ask here for help. Could any one tell me how I can ensure that requests are fetched from the (remote) device, especially after file system remount, without having to use drop_caches? Please let me know if I described the problem too vaguely and should give some more details. Wishing everyone a happy new year. Thanks and regards, Aastha. -- Aastha Mehta MPI-SWS, Germany E-mail: aasthakm@xxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
