On Thu, Jan 14, 2010 at 05:48:21PM -0800, Daniel (Youngwhan) Song wrote: > Hi, > > Could somebody help me to understand the reason why the linux kernel does > not allow the access to a file in the device driver? For example, for > debugging purpose, if a device driver want to log some data in a file by > using open/write/read method like in user application, how a driver can > access to a file in a specific filesystem? Any comment or docs or web pages > would be appreciated. Please read the documentation at kernelnewbies.org for why this is so. good luck, greg k-h -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ