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construct/include/ircd/fs/support.h
2018-12-03 12:58:42 -08:00

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970 B
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_FS_SUPPORT_H
namespace ircd::fs::support
{
// Indicator lights for AIO
extern const bool aio; // Any AIO support.
extern const bool aio_fsync; // Kernel supports CMD_FSYNC
extern const bool aio_fdsync; // Kernel supports CMD_FDSYNC
// Test if O_DIRECT supported at target path
bool direct_io(const string_view &path);
// Test if fallocate() is supported at target path
bool fallocate(const string_view &path, const write_opts &wopts = write_opts_default);
}