On Wed, 2006-02-22 at 13:26 +0530, prasad Musale wrote: > Hello Friends, > I am developing a stackable file system raif. I > want to access the the superblock list 's_list'. The code is as > follows: As I told you in your previous posts, you should look at the code for unionfs instead of file systems included in the kernel (it is a stackable fanout file system, like RAIF). You can check the code here: http://www.filesystems.org/project-unionfs.html > 2) Based on this vfat super block i want to access the content of vfat > file system(vfat partition on my disk). That means 'ls' on my > filesystem mountpoint should be get redirected to vfat & vfat content > should be shown. I want to know that which functions(inode operations > & file operations) are involved in 'ls'. Are they 'lookup' ,'open', > 'readdir'? so that i can modify them. > How should i redirect the 'ls' to point to content of vfat. The code you included does not look like a stackable file system. One obvious thing that is missing is mount-time options. The user should specify the mount points for the lower-level file systems. It is very very wrong to just hard-code "vfat" because that's what you have on your machine. As for the system calls that 'ls' uses, try using strace. Avishay Traeger http://www.fsl.cs.sunysb.edu/~avishay/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
