CachedWrite (Windows CE 5.0)
For a write-through cache, this function writes data to disk and to the cache.
For a write-back cache, this function writes data only to the cache and allows the lazy-writer thread to commit the data to the disk.
DWORDCachedWrite(DWORDdwCacheId, DWORDdwBlockNum,DWORD dwNumBlocks,PVOID pBuffer,DWORD dwWriteFlags);
Parameters
dwCacheId
[in] Cache ID value returned by CreateCache.dwBlockNum
[in] Starting block to write to.dwNumBlocks
[in] Number of blocks to write.pBuffer
[in] Pointer to the buffer containing data to write.dwWriteFlags
[in] This value can be set to CACHE_FORCE_WRITETHROUGH to force the written blocks to be committed to the disk.This only applies for a write-back cache.
Remarks
If the cache location that the data is to be written to overwrites a dirty block that is different from the block to be written, that dirty block is committed to the disk.
Return Values
Returns ERROR_SUCCESS on success.
Returns a Microsoft Win32 error code on failure.
Requirements
OS Versions: Windows CE 5.0 and later.
Header: Fsdmgr.h.
Link Library: Fsdmgr.lib.
See Also
Send Feedback on this topic to the authors