splice: handle try_to_release_page() failure
authorJens Axboe <jens.axboe@oracle.com>
Tue, 20 May 2008 19:27:41 +0000 (21:27 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Wed, 28 May 2008 12:49:27 +0000 (14:49 +0200)
splice currently assumes that try_to_release_page() always suceeds,
but it can return failure. If it does, we cannot steal the page.

Acked-by: Mingming Cao <cmm@us.ibm.com
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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