Add support for mapping with MAP_SYNC to file provider

Add support for mapping with MAP_SYNC to file provider:
use utils_mmap_file() instead of utils_mmap().

Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>

Author: ldorau

README.md

@@ -200,6 +200,8 @@ so it should be used with a pool manager that will take over
 the managing of the provided memory - for example the jemalloc pool
 with the `disable_provider_free` parameter set to true.
 
+The memory visibility mode parameter must be set to `UMF_MEM_MAP_SYNC` in case of FSDAX.
+
 ##### Requirements
 
 1) Linux OS

src/provider/provider_file_memory.c

@@ -261,7 +261,7 @@ static umf_result_t file_mmap_aligned(file_memory_provider_t *file_provider,
     ASSERT_IS_ALIGNED(extended_size, page_size);
     ASSERT_IS_ALIGNED(offset_fd, page_size);
 
-    void *ptr = utils_mmap(NULL, extended_size, prot, flag, fd, offset_fd);
+    void *ptr = utils_mmap_file(NULL, extended_size, prot, flag, fd, offset_fd);
     if (ptr == NULL) {
         LOG_PERR("memory mapping failed");
         return UMF_RESULT_ERROR_MEMORY_PROVIDER_SPECIFIC;
@@ -612,8 +612,9 @@ static umf_result_t file_open_ipc_handle(void *provider, void *providerIpcData,
         return UMF_RESULT_ERROR_INVALID_ARGUMENT;
     }
 
-    *ptr = utils_mmap(NULL, file_ipc_data->size, file_provider->protection,
-                      file_provider->visibility, fd, file_ipc_data->offset_fd);
+    *ptr = utils_mmap_file(NULL, file_ipc_data->size, file_provider->protection,
+                           file_provider->visibility, fd,
+                           file_ipc_data->offset_fd);
     (void)utils_close_fd(fd);
     if (*ptr == NULL) {
         file_store_last_native_error(UMF_FILE_RESULT_ERROR_ALLOC_FAILED, errno);