dm cache: remove remainder of distinct discard block size

[cascardo/linux.git] / drivers / md / dm-cache-metadata.c

diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 9ef0752..cbd568a 100644 (file)
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -109,7 +109,7 @@ struct dm_cache_metadata {
        dm_block_t discard_root;
 
        sector_t discard_block_size;
-       dm_dblock_t discard_nr_blocks;
+       dm_oblock_t discard_nr_blocks;
 
        sector_t data_block_size;
        dm_cblock_t cache_blocks;
@@ -302,7 +302,7 @@ static int __write_initial_superblock(struct dm_cache_metadata *cmd)
        disk_super->hint_root = cpu_to_le64(cmd->hint_root);
        disk_super->discard_root = cpu_to_le64(cmd->discard_root);
        disk_super->discard_block_size = cpu_to_le64(cmd->discard_block_size);
-       disk_super->discard_nr_blocks = cpu_to_le64(from_dblock(cmd->discard_nr_blocks));
+       disk_super->discard_nr_blocks = cpu_to_le64(from_oblock(cmd->discard_nr_blocks));
        disk_super->metadata_block_size = cpu_to_le32(DM_CACHE_METADATA_BLOCK_SIZE >> SECTOR_SHIFT);
        disk_super->data_block_size = cpu_to_le32(cmd->data_block_size);
        disk_super->cache_blocks = cpu_to_le32(0);
@@ -496,7 +496,7 @@ static void read_superblock_fields(struct dm_cache_metadata *cmd,
        cmd->hint_root = le64_to_cpu(disk_super->hint_root);
        cmd->discard_root = le64_to_cpu(disk_super->discard_root);
        cmd->discard_block_size = le64_to_cpu(disk_super->discard_block_size);
-       cmd->discard_nr_blocks = to_dblock(le64_to_cpu(disk_super->discard_nr_blocks));
+       cmd->discard_nr_blocks = to_oblock(le64_to_cpu(disk_super->discard_nr_blocks));
        cmd->data_block_size = le32_to_cpu(disk_super->data_block_size);
        cmd->cache_blocks = to_cblock(le32_to_cpu(disk_super->cache_blocks));
        strncpy(cmd->policy_name, disk_super->policy_name, sizeof(cmd->policy_name));
@@ -594,7 +594,7 @@ static int __commit_transaction(struct dm_cache_metadata *cmd,
        disk_super->hint_root = cpu_to_le64(cmd->hint_root);
        disk_super->discard_root = cpu_to_le64(cmd->discard_root);
        disk_super->discard_block_size = cpu_to_le64(cmd->discard_block_size);
-       disk_super->discard_nr_blocks = cpu_to_le64(from_dblock(cmd->discard_nr_blocks));
+       disk_super->discard_nr_blocks = cpu_to_le64(from_oblock(cmd->discard_nr_blocks));
        disk_super->cache_blocks = cpu_to_le32(from_cblock(cmd->cache_blocks));
        strncpy(disk_super->policy_name, cmd->policy_name, sizeof(disk_super->policy_name));
        disk_super->policy_version[0] = cpu_to_le32(cmd->policy_version[0]);
@@ -771,15 +771,15 @@ out:
 
 int dm_cache_discard_bitset_resize(struct dm_cache_metadata *cmd,
                                   sector_t discard_block_size,
-                                  dm_dblock_t new_nr_entries)
+                                  dm_oblock_t new_nr_entries)
 {
        int r;
 
        down_write(&cmd->root_lock);
        r = dm_bitset_resize(&cmd->discard_info,
                             cmd->discard_root,
-                            from_dblock(cmd->discard_nr_blocks),
-                            from_dblock(new_nr_entries),
+                            from_oblock(cmd->discard_nr_blocks),
+                            from_oblock(new_nr_entries),
                             false, &cmd->discard_root);
        if (!r) {
                cmd->discard_block_size = discard_block_size;
@@ -792,28 +792,28 @@ int dm_cache_discard_bitset_resize(struct dm_cache_metadata *cmd,
        return r;
 }
 
-static int __set_discard(struct dm_cache_metadata *cmd, dm_dblock_t b)
+static int __set_discard(struct dm_cache_metadata *cmd, dm_oblock_t b)
 {
        return dm_bitset_set_bit(&cmd->discard_info, cmd->discard_root,
-                                from_dblock(b), &cmd->discard_root);
+                                from_oblock(b), &cmd->discard_root);
 }
 
-static int __clear_discard(struct dm_cache_metadata *cmd, dm_dblock_t b)
+static int __clear_discard(struct dm_cache_metadata *cmd, dm_oblock_t b)
 {
        return dm_bitset_clear_bit(&cmd->discard_info, cmd->discard_root,
-                                  from_dblock(b), &cmd->discard_root);
+                                  from_oblock(b), &cmd->discard_root);
 }
 
-static int __is_discarded(struct dm_cache_metadata *cmd, dm_dblock_t b,
+static int __is_discarded(struct dm_cache_metadata *cmd, dm_oblock_t b,
                          bool *is_discarded)
 {
        return dm_bitset_test_bit(&cmd->discard_info, cmd->discard_root,
-                                 from_dblock(b), &cmd->discard_root,
+                                 from_oblock(b), &cmd->discard_root,
                                  is_discarded);
 }
 
 static int __discard(struct dm_cache_metadata *cmd,
-                    dm_dblock_t dblock, bool discard)
+                    dm_oblock_t dblock, bool discard)
 {
        int r;
 
@@ -826,7 +826,7 @@ static int __discard(struct dm_cache_metadata *cmd,
 }
 
 int dm_cache_set_discard(struct dm_cache_metadata *cmd,
-                        dm_dblock_t dblock, bool discard)
+                        dm_oblock_t dblock, bool discard)
 {
        int r;
 
@@ -844,8 +844,8 @@ static int __load_discards(struct dm_cache_metadata *cmd,
        dm_block_t b;
        bool discard;
 
-       for (b = 0; b < from_dblock(cmd->discard_nr_blocks); b++) {
-               dm_dblock_t dblock = to_dblock(b);
+       for (b = 0; b < from_oblock(cmd->discard_nr_blocks); b++) {
+               dm_oblock_t dblock = to_oblock(b);
 
                if (cmd->clean_when_opened) {
                        r = __is_discarded(cmd, dblock, &discard);