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| author |   Jack Wang <jinpu.wang@profitbricks.com> | 2013-09-12 17:29:52 +0200 |
|---|---|---|
| committer |   James Bottomley <JBottomley@Parallels.com> | 2013-10-25 09:57:56 +0100 |
| commit | 522db3c9e1a5d3e9bfbf23d9106180651338d1bd (patch) | |
| tree | 9def100fa0e2e082250400d554ac2d2e0488cd21 /drivers/scsi/scsi_sysfs.c | |
| parent | [SCSI] scsi_dh_rdac: Add new IBM 1813 product id to rdac devlist (diff) | |
| download | linux-dev-522db3c9e1a5d3e9bfbf23d9106180651338d1bd.tar.xz linux-dev-522db3c9e1a5d3e9bfbf23d9106180651338d1bd.zip | |
[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>
Diffstat (limited to 'drivers/scsi/scsi_sysfs.c')
| -rw-r--r-- | drivers/scsi/scsi_sysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
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, |