On Tue, Jul 28, 2009 at 07:17:11AM -0700, Dan Danillo wrote: > > > Dan Danillo wrote: > > > > > Dan Danillo wrote: > > > >> Hello, > > > >> > > > >> I'm trying to find out how to browse the file system from the > > > >> linux kernel. Especially the directory content is interesting to > > > >> me. Can anyone give me a hint? Are there even some libc like > > > >> functions to do that ? > > > > You might want to read this: > > > > > > > > http://kernelnewbies.org/FAQ/WhyWritingFilesFromKernelIsBad > > > > > > OK, I don't understand it all, but I get the meaning that I should > > > not access the file system from the kernel. Then I have no idea how > > > to solve my problem. > > > > > > Maybe you can propose something else. Please have a look here: > > > > > http://groups.google.com/group/comp.os.linux.embedded/browse_thread/thread/169cc7835af4fd7f/784b3081b0d12072 > > > > > I'm afraid I'm not sure how to go about this either. As I understand it, > > you > > want to emulate a USB mass-storage device containing a FAT file system, > > utilizing the contents of a local file system which may be formatted using > > a > > different file system? > > Yes, that is correct > > > Could you create a daemon that attaches to a usb gadget driver? The daemon > > in > > user space would be able to access whichever file system you want? > > I could try that, but I did not want to touch g_file_storage. > Instead I wanted to write my own block device driver which is used by > g_file_storage in turn. > So the daemon would be connected to my driver then .. I don't know, that > sounds complicated.
USB storage is one of the most complex devices out there. I would not recommend using it for a beginning project, it's quite messy. Pick something "simple" like nfs :) good luck, greg k-h -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecar...@nl.linux.org Please read the FAQ at http://kernelnewbies.org/FAQ
