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splice: make do_splice public
Make do_splice(), so other kernel parts can reuse it Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -1109,9 +1109,9 @@ static int splice_pipe_to_pipe(struct pipe_inode_info *ipipe,
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/*
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* Determine where to splice to/from.
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*/
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static long do_splice(struct file *in, loff_t __user *off_in,
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struct file *out, loff_t __user *off_out,
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size_t len, unsigned int flags)
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long do_splice(struct file *in, loff_t __user *off_in,
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struct file *out, loff_t __user *off_out,
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size_t len, unsigned int flags)
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{
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struct pipe_inode_info *ipipe;
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struct pipe_inode_info *opipe;
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@ -78,6 +78,9 @@ extern ssize_t add_to_pipe(struct pipe_inode_info *,
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struct pipe_buffer *);
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extern ssize_t splice_direct_to_actor(struct file *, struct splice_desc *,
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splice_direct_actor *);
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extern long do_splice(struct file *in, loff_t __user *off_in,
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struct file *out, loff_t __user *off_out,
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size_t len, unsigned int flags);
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/*
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* for dynamic pipe sizing
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