On Mon, Jul 27, 2009 at 2:49 PM, Dan Danillo<[email protected]> wrote: > > Hello, > > > >> >> Hi Dan, >> >> >> On Mon, Jul 27, 2009 at 11:54 AM, Dan Danillowrote: >> > Hello, >> > >> > I'm trying to find out how to browse the file system from the linux kernel. >> >> What exactly do you mean by that. >> Do you mean that you want to traverse the namespace being inside the >> kernel through some kernel module or something? > > Yes, I want to write a module which gets as parameter the path to a directory. > In the module I want to be able to find all files and subfolders in that > directory. > >> > Especially the directory content is interesting to me. >> > Can anyone give me a hint? Are there even some libc like functions to do >> > that ? >> > >> >> The libc functions like these map to the kernel code eventually, so >> mostly there will be one. >> >> > So far I have found the filp_open, vfs_read and vfs_readdir functions. >> > >> > However, the vfs_readdir function expects a function pointer to somehow >> > format the directory information. >> > My assumption is that this is the wrong function. >> > So I guess that's not the function I'm after. >> > >> >> Do you want it at vfs layer .... >> or at the file system level.... > > Mh, I don't really have a clue. What are the differences? > I'm not interested in all the inode information or some funky stuff. > I just need to know if it is a file or directory, filesize and where to find > the data of the file.
Hi, Have a look at vfs_path_lookup() . In particular probably you want path_walk(). Thanks - Manish > >> What all information do you have before you could call this function >> which will traverse the file system hierarchy for you? > > Just the path to the directory > > Dan > > > > > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to [email protected] > Please read the FAQ at http://kernelnewbies.org/FAQ > > -- Thanks - Manish -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
