On Thu, Jan 08, 2015 at 06:45:24PM +0100, Christoph Hellwig wrote: > Since "BDI: Provide backing device capability information [try #3]" the > backing_dev_info structure also provides flags for the kind of mmap > operation available in a nommu environment, which is entirely unrelated > to it's original purpose. > > Introduce a new nommu-only file operation to provide this information to > the nommu mmap code instead. Splitting this from the backing_dev_info > structure allows to remove lots of backing_dev_info instance that aren't > otherwise needed, and entirely gets rid of the concept of providing a > backing_dev_info for a character device. It also removes the need for > the mtd_inodefs filesystem. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> FWIW, Reviewed-by: Tejun Heo <tj@xxxxxxxxxx> Thanks. -- tejun -- 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