> The compression code must be able to read pages from the underlying > filesystem. This involves using the pagecache. But the uncompressed data > is what ultimately should end up in the pagecache. This is where I'm > currently stuck. How do I implement the code such that the underlying > compressed data may be read (using the pagecache or not) while not > disturbing the pagecache for the uncompressed data? I'm wondering if I need > to create an internal address_space to pass down into the underlying > readpage? Or is there another way to do this? I created a private address_space for the inode that is passed into the lower readpage. That seems to be working. Is this a cool thing to do (hopefully)? -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
