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authorPavel Begunkov <asml.silence@gmail.com>2021-01-09 19:03:02 +0300
committerJens Axboe <axboe@kernel.dk>2021-01-25 18:58:24 +0300
commit3e1a88ec96259282b9a8b45c3f1fda7a3ff4f6ea (patch)
treee650e34e08f97cadb1d47e9650ff045006bac9be /Documentation/filesystems/porting.rst
parent54c8195b4ebe10af66b49ab9c809bc16939555fc (diff)
downloadlinux-3e1a88ec96259282b9a8b45c3f1fda7a3ff4f6ea.tar.xz
bio: add a helper calculating nr segments to alloc
Add a helper function calculating the number of bvec segments we need to allocate to construct a bio. It doesn't change anything functionally, but will be used to not duplicate special cases in the future. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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