Re: [PATCH] scsi_debug: skip long delays when ndelay small

2018-07-12 Thread Martin K. Petersen
Doug, > A test program's runtime became impractically long since any non zero > ndelay (e.g. 1 nanosec) caused Start Stop Unit to delay over 8 > magnitudes greater than other commands. This patch skips long delays > (on Start Stop Unit and Synchronize Cache) if ndelay is less than or > equal to

[PATCH] scsi_debug: skip long delays when ndelay small

2018-07-12 Thread Douglas Gilbert
A test program's runtime became impractically long since any non zero ndelay (e.g. 1 nanosec) caused Start Stop Unit to delay over 8 magnitudes greater than other commands. This patch skips long delays (on Start Stop Unit and Synchronize Cache) if ndelay is less than or equal to 10 microsecs.