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

/linux-5.19.10/drivers/md/
Ddm-snap.c136 bool discard_zeroes_cow:1; member
1208 s->discard_zeroes_cow = true; in parse_snapshot_features()
1220 if (!s->discard_zeroes_cow && s->discard_passdown_origin) { in parse_snapshot_features()
1357 if (s->discard_zeroes_cow) in snapshot_ctr()
2365 num_features = snap->discard_zeroes_cow + snap->discard_passdown_origin; in snapshot_status()
2368 if (snap->discard_zeroes_cow) in snapshot_status()
2405 if (snap->discard_zeroes_cow) { in snapshot_io_hints()
/linux-5.19.10/Documentation/admin-guide/device-mapper/
Dsnapshot.rst60 discard_zeroes_cow - a discard issued to the snapshot device that
69 The discard_passdown_origin feature depends on the discard_zeroes_cow