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/openbmc/linux/include/linux/
H A Ddevice-mapper.hdiff 7acf0277cea0f2da89ffffcc9892bea23f618e63 Fri Jul 27 09:08:03 CDT 2012 Mikulas Patocka <mpatocka@redhat.com> dm: introduce split_discard_requests

This patch introduces a new variable split_discard_requests. It can be
set by targets so that discard requests are split on max_io_len
boundaries.

When split_discard_requests is not set, discard requests are only split on
boundaries between targets, as was the case before this patch.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
/openbmc/linux/drivers/md/
H A Ddm.cdiff 7acf0277cea0f2da89ffffcc9892bea23f618e63 Fri Jul 27 09:08:03 CDT 2012 Mikulas Patocka <mpatocka@redhat.com> dm: introduce split_discard_requests

This patch introduces a new variable split_discard_requests. It can be
set by targets so that discard requests are split on max_io_len
boundaries.

When split_discard_requests is not set, discard requests are only split on
boundaries between targets, as was the case before this patch.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>