Re: Starting an application from the kernel II: the revenge
Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 29 Apr 1997 20:30:30 +0100 (BST)
> functions expect pointers to buffers located in the user-space which I
> cannot provide from the kernel. For example, when the VFS calls the RNFS
> open() function, I want to write a new timestamp in a special-purpose file
> on the NFS server. For this, I call the NFS write() function, which expects
> a buffer in user-space!!!
Wrap the calls in
int fs=get_fs();
set_fs(get_ds());
Call function (kernel space happens to be user now)
set_fs(fs);
return;
Alan