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/openbmc/linux/block/
H A Dblk-map.cdiff 0a2481cde24f78f503cbc066df2c9c160e64cfd6 Tue Mar 28 16:10:31 CDT 2023 Jens Axboe <axboe@kernel.dk> block: ensure bio_alloc_map_data() deals with ITER_UBUF correctly

This helper blindly copies the iovec, even if we don't have one.
Make this case a bit smarter by only doing so if we have an iovec
array to copy.

Signed-off-by: Jens Axboe <axboe@kernel.dk>