On Thu, Mar 24, 2016 at 05:17:30PM -0600, Vishal Verma wrote: > dax_do_io (called for read() or write() for a dax file system) may fail > in the presence of bad blocks or media errors. Since we expect that a > write should clear media errors on nvdimms, make dax_do_io fall back to > the direct_IO path, which will send down a bio to the driver, which can > then attempt to clear the error. Leave the fallback on -EIO to the callers please. They generally call __blockdev_direct_IO anyway, so it should actually become simpler that way. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>