On Thu, 2010-01-14 at 17:48 -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. Hi Dan, As per my understanding goes, its is not good practice of doing any of sys_ calls form within the kernel space. Here is a useful link: http://kernelnewbies.org/FAQ/WhyWritingFilesFromKernelIsBad ~Anil -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
