On 04/25/2016 09:16 AM, Douglas Gilbert wrote:
- * (for response) at one time. Can be reduced by max_queue option. Command - * responses are not queued when jdelay=0 and ndelay=0. The per-device - * DEF_CMD_PER_LUN can be changed via sysfs: - * /sys/class/scsi_device/<h:c:t:l>/device/queue_depth but cannot exceed - * SCSI_DEBUG_CANQUEUE. */ -#define SCSI_DEBUG_CANQUEUE_WORDS 9 /* a WORD is bits in a long */ + * (for response) per submit queue at one time. Can be reduced by max_queue + * option. Command responses are not queued when jdelay=0 and ndelay=0. The + * per-device DEF_CMD_PER_LUN can be changed via sysfs: + * /sys/class/scsi_device/<h:c:t:l>/device/queue_depth but . */ +#define SCSI_DEBUG_CANQUEUE_WORDS 3 /* a WORD is bits in a long */ #define SCSI_DEBUG_CANQUEUE (SCSI_DEBUG_CANQUEUE_WORDS * BITS_PER_LONG) #define DEF_CMD_PER_LUN 255
The original comment has the text "but cannot exceed SCSI_DEBUG_CANQUEUE". That text has been changed into "but .". Has that last part of the comment been changed on purpose?
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