feat(pool): blobstore cluster size to be set during pool creation thr…

…ough grpc parameter value

Signed-off-by: Hrudaya <[email protected]>

protobuf/v1/pool.proto

@@ -36,6 +36,9 @@ message CreatePoolRequest {
  google.protobuf.StringValue uuid = 2; // optional uuid for the pool to be created
  repeated string disks = 3; // disk device paths or URIs to be claimed by the pool
  PoolType pooltype = 4; // type of the pool
+ // Default cluster size is 4MiB (4 * 1024 * 1024), input cluster size must be multiple of 1MiB, 
+ // else default cluster size will be considered.
+ optional uint32 cluster_size = 5;
 }
 
 // Create pool arguments.
@@ -64,6 +67,7 @@ message Pool {
  uint64 used = 6; // used bytes from the pool
  PoolType pooltype = 7; // type of the pool
  uint64 committed = 8; // committed size of all pool replicas (sum of capacities of all replicas)
+ uint32 cluster_size = 9; // blobstor cluster size set during pool creation
 }
 
 // Destroy pool arguments.