0001-dm-rename-map_info-flush_request-to-target_request_n.patch 0002-dm-introduce-num_discard_requests-in-dm_target-struc.patch 0003-dm-remove-the-DM_TARGET_SUPPORTS_DISCARDS-feature-fl.patch 0004-dm-use-common-__issue_target_request-for-flush-and-d.patch 0005-dm-factor-max_io_len-for-code-reuse.patch 0006-dm-split-discard-requests-on-target-boundaries.patch 0007-dm-zero-silently-drop-discards-too.patch 0008-dm-error-return-error-for-discards-too.patch 0009-dm-delay-enable-discard-support.patch 0010-block-update-request-stacking-methods-to-support-dis.patch 0011-dm-mpath-enable-discard-support.patch 0012-dm-stripe-enable-efficient-discard-support.patch