SVNews r329189

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2018-02-13 02:11:39 - r329189 by mav (Alexander Motin)

Complete list of files affected by revision r329189:

(Note: At the moment, these links point to ViewVC on svn.freebsd.org. They are probably slow. Do not overuse.)

   Contents     MODIFY   /stable/11  
  History   Contents   Diff   MODIFY   /stable/11/sys/dev/mpr/mpr.c  
  History   Contents   Diff   MODIFY   /stable/11/sys/dev/mpr/mpr_sas.c  
  History   Contents   Diff   MODIFY   /stable/11/sys/dev/mpr/mprvar.h  
  History   Contents   Diff   MODIFY   /stable/11/sys/dev/mps/mps.c  
  History   Contents   Diff   MODIFY   /stable/11/sys/dev/mps/mps_sas.c  
  History   Contents   Diff   MODIFY   /stable/11/sys/dev/mps/mpsvar.h  

Commit message:

MFC r328937: Fix queue length reporting in mps(4) and mpr(4).

Both drivers were found to report CAM bigger queue depth then they really
can handle. It made them later under high load with many disks return
some of submitted requests back with CAM_REQUEUE_REQ status for later
resubmission.

 


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