diff options
Diffstat (limited to 'lib/kernel/src/ram_file.erl')
| -rw-r--r-- | lib/kernel/src/ram_file.erl | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/kernel/src/ram_file.erl b/lib/kernel/src/ram_file.erl index d996650948..0230cb4e0a 100644 --- a/lib/kernel/src/ram_file.erl +++ b/lib/kernel/src/ram_file.erl @@ -24,7 +24,7 @@ -export([open/2, close/1]). -export([write/2, read/2, copy/3, pread/2, pread/3, pwrite/2, pwrite/3, - position/2, truncate/1, sync/1]). + position/2, truncate/1, datasync/1, sync/1]). %% Specialized file operations -export([get_size/1, get_file/1, set_file/2, get_file_close/1]). @@ -60,6 +60,7 @@ -define(RAM_FILE_TRUNCATE, 14). -define(RAM_FILE_PREAD, 17). -define(RAM_FILE_PWRITE, 18). +-define(RAM_FILE_FDATASYNC, 19). %% Other operations -define(RAM_FILE_GET, 30). @@ -167,6 +168,8 @@ copy(#file_descriptor{module = ?MODULE} = Source, %% XXX Should be moved down to the driver for optimization. file:copy_opened(Source, Dest, Length). +datasync(#file_descriptor{module = ?MODULE, data = Port}) -> + call_port(Port, <<?RAM_FILE_FDATASYNC>>). sync(#file_descriptor{module = ?MODULE, data = Port}) -> call_port(Port, <<?RAM_FILE_FSYNC>>). |