splice: add void cookie to the actor data
We need that for passing driver private info. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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@ -94,6 +94,7 @@ struct splice_desc {
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union {
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void __user *userptr; /* memory to write to */
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struct file *file; /* file to read/write */
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void *data; /* cookie */
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} u;
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loff_t pos; /* file position */
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};
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