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fs: simplify do_splice_to
No need for a local function pointer when we can trivial branch on the ->splice_read presence. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -870,8 +870,6 @@ static long do_splice_to(struct file *in, loff_t *ppos,
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struct pipe_inode_info *pipe, size_t len,
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unsigned int flags)
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{
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ssize_t (*splice_read)(struct file *, loff_t *,
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struct pipe_inode_info *, size_t, unsigned int);
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int ret;
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if (unlikely(!(in->f_mode & FMODE_READ)))
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@ -885,11 +883,8 @@ static long do_splice_to(struct file *in, loff_t *ppos,
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len = MAX_RW_COUNT;
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if (in->f_op->splice_read)
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splice_read = in->f_op->splice_read;
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else
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splice_read = default_file_splice_read;
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return splice_read(in, ppos, pipe, len, flags);
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return in->f_op->splice_read(in, ppos, pipe, len, flags);
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return default_file_splice_read(in, ppos, pipe, len, flags);
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}
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/**
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