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Gu Zheng authored
blkdev_aio_read() test 'size' to see if it is equal or greater than the target count we request(iocb->ki_left). If so there is no need to call iov_shorten() to reduce number of segments and the iovec's length. So the judgement should be changed to 'if (size < iocb->ki_left)' instead. Signed-off-by: Jianpeng Ma <majianpeng@gmail.com> Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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