On Tue, Jan 15, 2013 at 12:26 PM, Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx> wrote: > This statement is incorrect. The WRITE_SAME w/o UNMAP emulation that > went into v3.8-rc1 here: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=f6970ad31d42fceb38b5595cbad093a4d0bfcc43 > > is hardware agnostic, and has no dependency on underlying drive support > for UNMAP (eg: block discard). This is because the logic simply > translates WRITE_SAME w/o UNMAP operations into struct bio WRITEs for a > single received block. Sorry, my mistake! I didn't see that commit go in, and of course given that code my previous statement is completely wrong. - R. -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
