Move C/C++ sources to src subdirectory

src/osd_rmw.h

@@ -0,0 +1,49 @@
+// Copyright (c) Vitaliy Filippov, 2019+
+// License: VNPL-1.1 (see README.md for details)
+
+#pragma once
+
+#include <stdint.h>
+#include "object_id.h"
+#include "osd_id.h"
+
+#ifndef MEM_ALIGNMENT
+#define MEM_ALIGNMENT 512
+#endif
+
+struct buf_len_t
+{
+    void *buf;
+    uint64_t len;
+};
+
+struct osd_rmw_stripe_t
+{
+    void *read_buf, *write_buf;
+    uint32_t req_start, req_end;
+    uint32_t read_start, read_end;
+    uint32_t write_start, write_end;
+    bool missing;
+};
+
+// Here pg_minsize is the number of data chunks, not the minimum number of alive OSDs for the PG to operate
+
+void split_stripes(uint64_t pg_minsize, uint32_t bs_block_size, uint32_t start, uint32_t len, osd_rmw_stripe_t *stripes);
+
+void reconstruct_stripes_xor(osd_rmw_stripe_t *stripes, int pg_size);
+
+int extend_missing_stripes(osd_rmw_stripe_t *stripes, osd_num_t *osd_set, int pg_minsize, int pg_size);
+
+void* alloc_read_buffer(osd_rmw_stripe_t *stripes, int read_pg_size, uint64_t add_size);
+
+void* calc_rmw(void *request_buf, osd_rmw_stripe_t *stripes, uint64_t *read_osd_set,
+    uint64_t pg_size, uint64_t pg_minsize, uint64_t pg_cursize, uint64_t *write_osd_set, uint64_t chunk_size);
+
+void calc_rmw_parity_xor(osd_rmw_stripe_t *stripes, int pg_size, uint64_t *read_osd_set, uint64_t *write_osd_set, uint32_t chunk_size);
+
+void use_jerasure(int pg_size, int pg_minsize, bool use);
+
+void reconstruct_stripes_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize);
+
+void calc_rmw_parity_jerasure(osd_rmw_stripe_t *stripes, int pg_size, int pg_minsize,
+    uint64_t *read_osd_set, uint64_t *write_osd_set, uint32_t chunk_size);