splice: don't generate zero-len segement bvecs

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iter_file_splice_write() may spawn bvec segments with zero-length. In
preparation for prohibiting them, filter out by hand at splice level.

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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Pavel Begunkov 2021-01-09 16:02:57 +00:00 • committed by Jens Axboe

parent 684da7628d

commit 0f1d344feb

1 changed files with 6 additions and 3 deletions

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fs/splice.c

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