189 				chunk_t chunk)  in chunk_to_sector()  argument
191 	return chunk << store->chunk_shift;  in chunk_to_sector()
246 	chunk_t chunk;  member
261 static void track_chunk(struct dm_snapshot *s, struct bio *bio, chunk_t chunk)  in track_chunk()  argument
265 	c->chunk = chunk;  in track_chunk()
269 		       &s->tracked_chunk_hash[DM_TRACKED_CHUNK_HASH(chunk)]);  in track_chunk()
283 static int __chunk_is_tracked(struct dm_snapshot *s, chunk_t chunk)  in __chunk_is_tracked()  argument
291 	    &s->tracked_chunk_hash[DM_TRACKED_CHUNK_HASH(chunk)], node) {  in __chunk_is_tracked()
292 		if (c->chunk == chunk) {  in __chunk_is_tracked()
307 static void __check_for_conflicting_io(struct dm_snapshot *s, chunk_t chunk)  in __check_for_conflicting_io()  argument
309 	while (__chunk_is_tracked(s, chunk))  in __check_for_conflicting_io()
629 static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk);
637 static void dm_exception_table_lock_init(struct dm_snapshot *s, chunk_t chunk,  in dm_exception_table_lock_init()  argument
643 	lock->complete_slot = &complete->table[exception_hash(complete, chunk)];  in dm_exception_table_lock_init()
644 	lock->pending_slot = &pending->table[exception_hash(pending, chunk)];  in dm_exception_table_lock_init()
696 static uint32_t exception_hash(struct dm_exception_table *et, chunk_t chunk)  in exception_hash()  argument
698 	return (chunk >> et->hash_shift) & et->hash_mask;  in exception_hash()
711 						chunk_t chunk)  in dm_lookup_exception()  argument
717 	slot = &et->table[exception_hash(et, chunk)];  in dm_lookup_exception()
719 		if (chunk >= e->old_chunk &&  in dm_lookup_exception()
720 		    chunk <= e->old_chunk + dm_consecutive_chunk_count(e))  in dm_lookup_exception()
1862 __lookup_pending_exception(struct dm_snapshot *s, chunk_t chunk)  in __lookup_pending_exception()  argument
1864 	struct dm_exception *e = dm_lookup_exception(&s->pending, chunk);  in __lookup_pending_exception()
1880 			   struct dm_snap_pending_exception *pe, chunk_t chunk)  in __insert_pending_exception()  argument
1882 	pe->e.old_chunk = chunk;  in __insert_pending_exception()
1913 			 struct dm_snap_pending_exception *pe, chunk_t chunk)  in __find_pending_exception()  argument
1917 	pe2 = __lookup_pending_exception(s, chunk);  in __find_pending_exception()
1923 	return __insert_pending_exception(s, pe, chunk);  in __find_pending_exception()
1927 			    struct bio *bio, chunk_t chunk)  in remap_exception()  argument
1932 				(chunk - e->old_chunk)) +  in remap_exception()
1947 			   struct bio *bio, chunk_t chunk)  in zero_exception()  argument
1972 	chunk_t chunk;  in snapshot_map()  local
1983 	chunk = sector_to_chunk(s->store, bio->bi_iter.bi_sector);  in snapshot_map()
1984 	dm_exception_table_lock_init(s, chunk, &lock);  in snapshot_map()
2014 			track_chunk(s, bio, chunk);  in snapshot_map()
2021 	e = dm_lookup_exception(&s->complete, chunk);  in snapshot_map()
2023 		remap_exception(s, e, bio, chunk);  in snapshot_map()
2028 			zero_exception(s, e, bio, chunk);  in snapshot_map()
2051 		pe = __lookup_pending_exception(s, chunk);  in snapshot_map()
2057 			e = dm_lookup_exception(&s->complete, chunk);  in snapshot_map()
2060 				remap_exception(s, e, bio, chunk);  in snapshot_map()
2064 			pe = __find_pending_exception(s, pe, chunk);  in snapshot_map()
2085 		remap_exception(s, &pe->e, bio, chunk);  in snapshot_map()
2113 		track_chunk(s, bio, chunk);  in snapshot_map()
2140 	chunk_t chunk;  in snapshot_merge_map()  local
2158 	chunk = sector_to_chunk(s->store, bio->bi_iter.bi_sector);  in snapshot_merge_map()
2167 	e = dm_lookup_exception(&s->complete, chunk);  in snapshot_merge_map()
2171 		    chunk >= s->first_merging_chunk &&  in snapshot_merge_map()
2172 		    chunk < (s->first_merging_chunk +  in snapshot_merge_map()
2180 		remap_exception(s, e, bio, chunk);  in snapshot_merge_map()
2183 			track_chunk(s, bio, chunk);  in snapshot_merge_map()
2465 	chunk_t chunk;  in __origin_write()  local
2484 		chunk = sector_to_chunk(snap->store, sector);  in __origin_write()
2485 		dm_exception_table_lock_init(snap, chunk, &lock);  in __origin_write()
2494 		pe = __lookup_pending_exception(snap, chunk);  in __origin_write()
2501 			e = dm_lookup_exception(&snap->complete, chunk);  in __origin_write()
2509 			pe2 = __lookup_pending_exception(snap, chunk);  in __origin_write()
2512 				e = dm_lookup_exception(&snap->complete, chunk);  in __origin_write()
2518 				pe = __insert_pending_exception(snap, pe, chunk);  in __origin_write()