Home
last modified time | relevance | path

Searched refs:region_nr (Results 1 – 4 of 4) sorted by relevance

/Linux-v5.4/drivers/md/
Ddm-switch.c126 static void switch_get_position(struct switch_ctx *sctx, unsigned long region_nr, in switch_get_position() argument
130 *region_index = region_nr >> sctx->region_entries_per_slot_bits; in switch_get_position()
131 *bit = region_nr & (sctx->region_entries_per_slot - 1); in switch_get_position()
133 *region_index = region_nr / sctx->region_entries_per_slot; in switch_get_position()
134 *bit = region_nr % sctx->region_entries_per_slot; in switch_get_position()
140 static unsigned switch_region_table_read(struct switch_ctx *sctx, unsigned long region_nr) in switch_region_table_read() argument
145 switch_get_position(sctx, region_nr, &region_index, &bit); in switch_region_table_read()
174 static void switch_region_table_write(struct switch_ctx *sctx, unsigned long region_nr, in switch_region_table_write() argument
181 switch_get_position(sctx, region_nr, &region_index, &bit); in switch_region_table_write()
195 unsigned long region_nr; in initialise_region_table() local
[all …]
Ddm-clone-target.c277 static inline sector_t region_to_sector(struct clone *clone, unsigned long region_nr) in region_to_sector() argument
279 return (region_nr << clone->region_shift); in region_to_sector()
518 unsigned long region_nr; member
584 unsigned long region_nr) in get_hash_table_bucket() argument
586 return &clone->ht[hash_long(region_nr, HASH_TABLE_BITS)]; in get_hash_table_bucket()
595 unsigned long region_nr) in __hash_find() argument
600 if (hd->region_nr == region_nr) in __hash_find()
631 hd2 = __hash_find(bucket, hd->region_nr); in __find_or_insert_region_hydration()
663 static void hydration_init(struct dm_clone_region_hydration *hd, unsigned long region_nr) in hydration_init() argument
665 hd->region_nr = region_nr; in hydration_init()
[all …]
Ddm-clone-metadata.c607 bool dm_clone_is_region_hydrated(struct dm_clone_metadata *cmd, unsigned long region_nr) in dm_clone_is_region_hydrated() argument
609 return dm_clone_is_hydration_done(cmd) || test_bit(region_nr, cmd->region_map); in dm_clone_is_region_hydrated()
788 int dm_clone_set_region_hydrated(struct dm_clone_metadata *cmd, unsigned long region_nr) in dm_clone_set_region_hydrated() argument
794 word = region_nr / BITS_PER_LONG; in dm_clone_set_region_hydrated()
806 __set_bit(region_nr, cmd->region_map); in dm_clone_set_region_hydrated()
820 unsigned long word, region_nr, flags; in dm_clone_cond_set_range() local
830 for (region_nr = start; region_nr < (start + nr_regions); region_nr++) { in dm_clone_cond_set_range()
831 if (!test_bit(region_nr, cmd->region_map)) { in dm_clone_cond_set_range()
832 word = region_nr / BITS_PER_LONG; in dm_clone_cond_set_range()
834 __set_bit(region_nr, cmd->region_map); in dm_clone_cond_set_range()
Ddm-clone-metadata.h37 int dm_clone_set_region_hydrated(struct dm_clone_metadata *cmd, unsigned long region_nr);
129 bool dm_clone_is_region_hydrated(struct dm_clone_metadata *cmd, unsigned long region_nr);