filesys.h

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	filesys.h (file)
 *
 *	File management
 *	File system related
 */

#ifndef _FM_FILESYS_H_
#define _FM_FILESYS_H_

#include "fsinfo.h"
#include "cmdpkt.h"

IMPORT FsInfo*	fmSelectFileSystemOfDevName( DevName dev );
IMPORT FsInfo*	fmSelectFileSystemOfConName( ConName con );
IMPORT FsInfo*	fmSelectFileSystemOfFsName( FsName fsnm );

IMPORT void	fmcAttachFileSystem( FmCmdPkt *pkt );
IMPORT void	fmcDetachFileSystem( FmCmdPkt *pkt );
IMPORT ER	fmcDeleteFileSystem( FsInfo *fs );
IMPORT void	fmcSyncFileSystem( FmCmdPkt *pkt );
IMPORT void	fmcListFileSystem( FmCmdPkt *pkt );
IMPORT void	fmcGetFileSystemStatus( FmCmdPkt *pkt );
IMPORT void	fmcChangeFileSystemInfo( FmCmdPkt *pkt );

/*
 * Select the file system by LINK.
 */
Inline FsInfo* fmSelectFileSystemOfLink( LINK *lnk )
{
	return fmSelectFileSystemOfFsName(lnk->fs_name);
}

/*
 * Check whether the same connection name is already used.
 */
Inline ER fmConNameExist( ConName con )
{
	FsInfo	*fs;

	fs = fmSelectFileSystemOfConName(con);
	return ( fs == NULL )? E_OK: E_OBJ;
}

/*
 * Check whether the file system is already connected in the same name.
 */
Inline ER fmFsNameExist( FsName fsnm )
{
	FsInfo	*fs;

	fs = fmSelectFileSystemOfFsName(fsnm);
	return ( fs == NULL )? E_OK: E_OBJ;
}

#endif