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| H A D | dm-zero.c | diff 00065f925efb077ade3e7fea49150d798cf87d05 Tue Apr 04 10:19:33 CDT 2023 Mikulas Patocka <mpatocka@redhat.com> dm zero: add discard support
Add zero_io_hints() and set discard limits so that the zero target
advertises support for discards.
The zero target will ignore discards.
This is useful when the user combines dm-zero with other
discard-supporting targets in the same table; without dm-zero support,
discards would be disabled for the whole combined device.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Tested-by: Milan Broz <gmazyland@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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