Re: [PATCH v17 02/14] splice: Make do_splice_to() generic and export it

From: David Howells
Date: Tue Mar 14 2023 - 17:16:54 EST


Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:

> > -static long do_splice_to(struct file *in, loff_t *ppos,
> > - struct pipe_inode_info *pipe, size_t len,
> > - unsigned int flags)
> > +long vfs_splice_read(struct file *in, loff_t *ppos,
>
> The (pre-existing) long here is odd given that ->splice_read
> returns a ssize_t. This might be a good time to fix that up.

There's a while lot of places in splice.c that use long rather than ssize_t.
I can produce a separate patch that changes them all, but that should perhaps
be separate to this.

David