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 from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html