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H A Dblk-merge.c764f612c Thu Oct 09 10:17:35 CDT 2014 Ming Lei <ming.lei@canonical.com> blk-merge: don't compute bi_phys_segments from bi_vcnt for cloned bio

It isn't correct to figure out req->bi_phys_segments from bio->bi_vcnt
if the bio is cloned.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Tested-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
764f612c Thu Oct 09 10:17:35 CDT 2014 Ming Lei <ming.lei@canonical.com> blk-merge: don't compute bi_phys_segments from bi_vcnt for cloned bio

It isn't correct to figure out req->bi_phys_segments from bio->bi_vcnt
if the bio is cloned.

Signed-off-by: Ming Lei <ming.lei@canonical.com>
Tested-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>