[SCSI] export device_busy for sdev
authorJack Wang <jinpu.wang@profitbricks.com>
Thu, 12 Sep 2013 15:29:52 +0000 (17:29 +0200)
committerJames Bottomley <JBottomley@Parallels.com>
Fri, 25 Oct 2013 08:57:56 +0000 (09:57 +0100)
commit522db3c9e1a5d3e9bfbf23d9106180651338d1bd
tree9def100fa0e2e082250400d554ac2d2e0488cd21
parent4df01b06ae4afdb233cc099051305d094f02e793
[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 <jinpu.wang@profitbricks.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/scsi_sysfs.c