K 10
svn:author
V 5
sephe
K 8
svn:date
V 27
2016-10-13T06:09:26.393613Z
K 7
svn:log
V 676
MFC 304790,304791

304790
    hyperv/vmbus: Add function to calculate max # of elements in a bufring.

    Sponsored by:   Microsoft

304791
    hyperv/storvsc: Increase queue depth and rework channel selection.

    - Increasing queue depth gives ~100% performance improvement for
      randwrite fio test in Azure.
    - New channel selection, which takes LUN id and the current cpuid
      into consideration, gives additional ~20% performance improvement
      for ranwrite fio test in Azure.

    Submitted by:   Hongzhang Jiang <honzhan microsoft com>
    Modified by:    sephe
    Sponsored by:   Microsoft
    Differential Revision:  https://reviews.freebsd.org/D7622

END