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Searched refs:discard_passdown_origin (Results 1 – 2 of 2) sorted by relevance

/openbmc/linux/drivers/md/
H A Ddm-snap.c138 bool discard_passdown_origin:1; member
1214 s->discard_passdown_origin = true; in parse_snapshot_features()
1223 if (!s->discard_zeroes_cow && s->discard_passdown_origin) { in parse_snapshot_features()
1357 ti->num_discard_bios = (s->discard_passdown_origin ? 2 : 1); in snapshot_ctr()
1987 if (s->discard_passdown_origin && dm_bio_get_target_bio_nr(bio)) { in snapshot_map()
2362 num_features = snap->discard_zeroes_cow + snap->discard_passdown_origin; in snapshot_status()
2367 if (snap->discard_passdown_origin) in snapshot_status()
/openbmc/linux/Documentation/admin-guide/device-mapper/
H A Dsnapshot.rst64 discard_passdown_origin - a discard to the snapshot device is passed
69 The discard_passdown_origin feature depends on the discard_zeroes_cow