mirror of
https://github.com/peteratebs/rtfsprofatfilesystem.git
synced 2025-06-19 09:15:41 -04:00
87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/*
|
|
* EBS - RTFS (Real Time File Manager)
|
|
*
|
|
* Copyright EBS Inc. 1987-2003
|
|
* All rights reserved.
|
|
* This code may not be redistributed in source or linkable object form
|
|
* without the consent of its author.
|
|
*/
|
|
/* APIDISK.C - Contains drive oriented api function */
|
|
|
|
#include "rtfs.h"
|
|
#if (!RTFS_CFG_READONLY) /* Excluded from build if read only */
|
|
|
|
/****************************************************************************
|
|
PC_DISKFLUSH - Flush the FAT and all files on a disk
|
|
|
|
Description
|
|
|
|
If an application may call this functions to force all files
|
|
to be flushed and the fat to be flushed. After this call returns
|
|
the disk image is synchronized with RTFSs internal view of the
|
|
voulme.
|
|
|
|
Returns
|
|
TRUE if the disk flushed else no
|
|
|
|
errno is set to one of the following
|
|
0 - No error
|
|
PEINVALIDDRIVEID- Drive component is invalid
|
|
An ERTFS system error
|
|
****************************************************************************/
|
|
|
|
BOOLEAN pc_diskflush(byte *path) /*__apifn__*/
|
|
{
|
|
int driveno;
|
|
DDRIVE *pdrive;
|
|
BOOLEAN ret_val;
|
|
CHECK_MEM(BOOLEAN, 0) /* Make sure memory is initted */
|
|
|
|
rtfs_clear_errno(); /* pc_diskflush: clear error status */
|
|
ret_val = FALSE;
|
|
driveno = check_drive_name_mount(path, CS_CHARSET_NOT_UNICODE);
|
|
/* if error, errno was set by check_drive */
|
|
if (driveno >= 0)
|
|
{ /* This is a top level call so override the AUTOFLUSH policy */
|
|
/* Find the drive */
|
|
pdrive = pc_drno2dr(driveno);
|
|
if (pdrive)
|
|
{
|
|
ret_val = _pc_diskflush(pdrive); /* Call Pro or ProPlus versions */
|
|
#if (INCLUDE_RTFS_PROPLUS)
|
|
/* The user called this routine explicitly so tell the devie driver to flush the cache for this volume if it has one */
|
|
pdrive->pmedia_info->device_ioctl(pdrive->pmedia_info->devhandle, (void *) pdrive, RTFS_IOCTL_FLUSHCACHE, 0 , 0);
|
|
#endif
|
|
}
|
|
if (!release_drive_mount_write(driveno))/* Release lock, unmount if aborted */
|
|
ret_val = FALSE;
|
|
}
|
|
return(ret_val);
|
|
}
|
|
|
|
/* Internal flush, called by pc_diskflush() API call and internally by Failsafe */
|
|
BOOLEAN _pc_diskflush(DDRIVE *pdrive) /*__apifn__*/
|
|
{
|
|
BOOLEAN ret_val;
|
|
|
|
ret_val = FALSE;
|
|
|
|
if (pdrive)
|
|
{
|
|
if (pc_flush_all_fil(pdrive))
|
|
{
|
|
#if (INCLUDE_EXFATORFAT64)
|
|
if (ISEXFATORFAT64(pdrive))
|
|
return pcexfat_flush(pdrive);
|
|
#endif
|
|
/* Call pc_flush_fat_blocks() instead of fatop_flushfat() because fatop_flushfat() tests
|
|
DRVPOL_NO_AUTOFLUSH and returns without flushing if it is true. .. pc_flush_fat_blocks() forces a
|
|
flush regardless of the auto-flush policy */
|
|
if (pc_flush_fat_blocks(pdrive))
|
|
ret_val = TRUE;
|
|
}
|
|
}
|
|
return(ret_val);
|
|
}
|
|
#endif /* Exclude from build if read only */
|