From 522db3c9e1a5d3e9bfbf23d9106180651338d1bd Mon Sep 17 00:00:00 2001 From: Jack Wang Date: Thu, 12 Sep 2013 17:29:52 +0200 Subject: [PATCH] [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: Jack Wang Signed-off-by: James Bottomley --- drivers/scsi/scsi_sysfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 40c639491b27..a73471074a02 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -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,