Searched refs:premap (Results 1 – 2 of 2) sorted by relevance
| /Linux-v4.19/drivers/nvdimm/ |
| D | btt.c | 1067 static int lba_to_arena(struct btt *btt, sector_t sector, __u32 *premap, in lba_to_arena() argument
1076 *premap = lba; in lba_to_arena()
1089 static void lock_map(struct arena_info *arena, u32 premap) in lock_map() argument
1092 u32 idx = (premap * MAP_ENT_SIZE / L1_CACHE_BYTES) % arena->nfree; in lock_map()
1097 static void unlock_map(struct arena_info *arena, u32 premap) in unlock_map() argument
1100 u32 idx = (premap * MAP_ENT_SIZE / L1_CACHE_BYTES) % arena->nfree; in unlock_map()
1203 u32 lane = 0, premap, postmap; in btt_read_pg() local
1210 ret = lba_to_arena(btt, sector, &premap, &arena); in btt_read_pg()
1216 ret = btt_map_read(arena, premap, &postmap, &t_flag, &e_flag, in btt_read_pg()
1247 ret = btt_map_read(arena, premap, &new_map, &new_t, in btt_read_pg()
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| /Linux-v4.19/Documentation/nvdimm/ |
| D | btt.txt | 112 premap ABA is 256G. We now refer to the map, and find out the mapping for block
124 lba : The premap ABA that is being written to
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