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authorChristoph Hellwig <hch@lst.de>2015-01-18 16:16:30 +0100
committerJens Axboe <axboe@fb.com>2015-02-05 09:30:39 -0700
commit1dfa0f68c040080c5fefa7211b4ec34d202f8570 (patch)
tree572a04efee9750a118a43579fef0381dd9997461 /include/linux/bio.h
parentddad8dd0a162fde61646a627a3017c258601dc8a (diff)
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block: add a helper to free bio bounce buffer pages
The code sniplet to walk all bio_vecs and free their pages is opencoded in way to many places, so factor it into a helper. Also convert the slightly more complex cases in bio_kern_endio and __bio_copy_iov where we break the freeing from an existing loop into a separate one. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ming Lei <tom.leiming@gmail.com> Signed-off-by: Jens Axboe <axboe@fb.com>
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