if (b->discard_granularity) {
alignment = queue_limit_discard_alignment(b, start);
- if (t->discard_granularity != 0 &&
- t->discard_alignment != alignment) {
- top = t->discard_granularity + t->discard_alignment;
- bottom = b->discard_granularity + alignment;
-
- /* Verify that top and bottom intervals line up */
- if ((max(top, bottom) % min(top, bottom)) != 0)
- t->discard_misaligned = 1;
- }
-
t->max_discard_sectors = min_not_zero(t->max_discard_sectors,
b->max_discard_sectors);
t->max_hw_discard_sectors = min_not_zero(t->max_hw_discard_sectors,
limits->max_hw_discard_sectors = origin_limits->max_hw_discard_sectors;
limits->discard_granularity = origin_limits->discard_granularity;
limits->discard_alignment = origin_limits->discard_alignment;
- limits->discard_misaligned = origin_limits->discard_misaligned;
}
static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits)
limits->max_hw_discard_sectors = dest_limits->max_hw_discard_sectors;
limits->discard_granularity = dest_limits->discard_granularity;
limits->discard_alignment = dest_limits->discard_alignment;
- limits->discard_misaligned = dest_limits->discard_misaligned;
limits->max_discard_segments = dest_limits->max_discard_segments;
}
limits->max_hw_discard_sectors = 0;
limits->discard_granularity = 0;
limits->discard_alignment = 0;
- limits->discard_misaligned = 0;
}
if (!dm_table_supports_write_zeroes(t))
unsigned short max_integrity_segments;
unsigned short max_discard_segments;
- unsigned char discard_misaligned;
unsigned char raid_partial_stripes_expensive;
unsigned int max_open_zones;
unsigned int max_active_zones;