On Wed, 2015-10-21 at 09:39 -0400, Jeff Moyer wrote: > Christoph Hellwig <[email protected]> writes: > > > Jens, Ming: > > > > are you fine with the one liner change to get back to the old I/O > > pattern? While it looks like the cards fault I'd like to avoid this > > annoying regression. > > I'm not Jens or Ming, but your patch looks fine to me, though you'll > want to remove the MAX_BIO_SECTORS definition since it's now unused. > It's not clear to me why the limit was lowered in the first place.
UINT_MAX >> 9 is not power of 2 and it causes dm-thinp discard fails. At the lengthy discussion: [PATCH v5 01/11] block: make generic_make_request handle arbitrarily sized bios We agreed to cap discard to 2G as an interim solution for 4.3 until the dm-thinp discard code is rewritten. Hi Mike, Will the dm-thinp discard rewritten ready for 4.4? Thanks, Ming > > You can add my Reviewed-by: Jeff Moyer <[email protected]> if you resend > the patch. > > -Jeff -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

