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Commit 522db3c9 authored by Jack Wang's avatar Jack Wang Committed by James Bottomley
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[SCSI] export device_busy for sdev 



If you mutiple devices connect to a host, we might be interested in
have an intensive I/O workload on one disk, and notice starvation on others.
This give the user more hint about current infight io for scsi device.

Signed-off-by: default avatarJack Wang <jinpu.wang@profitbricks.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 4df01b06

drivers/scsi/scsi_sysfs.c

+2 −0
Original line number Diff line number Diff line
@@ -529,6 +529,7 @@ static int scsi_sdev_check_buf_bit(const char *buf) 
 */

sdev_rd_attr (device_blocked, "%d\n");

sdev_rd_attr (queue_depth, "%d\n");

sdev_rd_attr (device_busy, "%d\n");

sdev_rd_attr (type, "%d\n");

sdev_rd_attr (scsi_level, "%d\n");

sdev_rd_attr (vendor, "%.8s\n");
@@ -750,6 +751,7 @@ static struct attribute *scsi_sdev_attrs[] = { 
	&dev_attr_device_blocked.attr,

	&dev_attr_type.attr,

	&dev_attr_scsi_level.attr,

	&dev_attr_device_busy.attr,

	&dev_attr_vendor.attr,

	&dev_attr_model.attr,

	&dev_attr_rev.attr,