Il 25/11/2013 11:06, Peter Lieven ha scritto: > wouldn't it make sense to return -ENOTSUP in other drivers a well if the > operation is not supported and not return 0?
Yes; patches are welcome. :) (I have a patch for block/iscsi.c that handles LBPU=1/LBPWS=0, and one of the things it does is "return 0" -> "return -ENOTSUP" for consistency between iscsi_co_discard and iscsi_co_write_zeroes). Paolo
