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linux/block/blk-merge.c
Jens Axboe beefa6ba7b block: only honor SG gap prevention for merges that contain data 
We can safely merge anything that wont generate an SG list entry,
so if the bio is data-less (discard), don't look at potential
SG gaps.

Signed-off-by: Jens Axboe <axboe@fb.com>
2015-05-29 13:10:23 -06:00

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