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relay: set an spd_release() hook for splice

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relay doesn't reference the pages it adds, however we need a non-NULL
hook or splice_to_pipe() can oops.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2008-03-26 12:04:09 +01:00
parent 37529fe9f6
commit 5eb7f9fa84
1 changed files with 5 additions and 0 deletions
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5
kernel/relay.c
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@ -1056,6 +1056,10 @@ static struct pipe_buf_operations relay_pipe_buf_ops = {
.get = generic_pipe_buf_get,
};
static void relay_page_release(struct splice_pipe_desc *spd, unsigned int i)
{
}
/*
* subbuf_splice_actor - splice up to one subbuf's worth of data
*/
@ -1083,6 +1087,7 @@ static int subbuf_splice_actor(struct file *in,
.partial = partial,
.flags = flags,
.ops = &relay_pipe_buf_ops,
.spd_release = relay_page_release,
};
if (rbuf->subbufs_produced == rbuf->subbufs_consumed)