On Thu, May 06, 2021 at 08:07:39PM +0100, Dr. David Alan Gilbert wrote: > > @@ -186,7 +186,7 @@ static int fuse_setup_one_mapping(struct inode *inode, unsigned long start_idx, > > struct fuse_conn_dax *fcd = fm->fc->dax; > > struct fuse_inode *fi = get_fuse_inode(inode); > > struct fuse_setupmapping_in inarg; > > - loff_t offset = start_idx << FUSE_DAX_SHIFT; > > + loff_t offset = (loff_t)start_idx << FUSE_DAX_SHIFT; > > I've not followed the others back, but isn't it easier to change > the start_idx parameter to be a loff_t, since the places it's called > from are poth loff_t pos? But an index isn't a file offset, and shouldn't be typed as such.
