On Mon, Jun 6, 2016 at 5:17 AM, David Sterba <dsterba@xxxxxxx> wrote: > On Thu, Jun 02, 2016 at 09:50:15PM -0400, Andrew Armenia wrote: >> This patch adds mount option 'chunk_width_limit=X', which when set forces >> the chunk allocator to use only up to X devices when allocating a chunk. >> This may help reduce the seek penalties seen in filesystems with large >> numbers of devices. > > There is a use for such limit but passing it as a mount is not the right > way to do it. Changing the value requires remount, different raid levels > might need different values, it's not persistent etc. Thanks for the feedback. I agree that it's less than an ideal way to do it. I guess I was a bit quick to release proof-of-concept code. I'll try to do some more work on the configuration side of things and resubmit. -- 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
