Searched refs:discard_passdown_origin (Results 1 - 1 of 1) sorted by relevance

/linux-master/drivers/md/
H A Ddm-snap.c138 bool discard_passdown_origin:1; member in struct:dm_snapshot
1213 else if (!strcasecmp(arg_name, "discard_passdown_origin"))
1214 s->discard_passdown_origin = true;
1223 if (!s->discard_zeroes_cow && s->discard_passdown_origin) {
1228 ti->error = "discard_passdown_origin feature depends on discard_zeroes_cow";
1357 ti->num_discard_bios = (s->discard_passdown_origin ? 2 : 1);
1987 if (s->discard_passdown_origin && dm_bio_get_target_bio_nr(bio)) {
1992 * implied by the "discard_passdown_origin" feature)
2362 num_features = snap->discard_zeroes_cow + snap->discard_passdown_origin;
2367 if (snap->discard_passdown_origin)
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