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| author | Stephen M. Cameron <scameron@beardog.cce.hp.com> | 2011-01-06 14:48:39 -0600 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2011-01-24 11:31:10 -0600 |
| commit | 94a136495a3fbe59b960c46fba3574b1159e8489 (patch) | |
| tree | d984a7e8873bdac90ae7576a7f757fa5ea673f3d /drivers | |
| parent | 60d3f5b068e65d424f3cf5d108fb0747dd156d00 (diff) | |
| download | linux-exynos-94a136495a3fbe59b960c46fba3574b1159e8489.tar.gz linux-exynos-94a136495a3fbe59b960c46fba3574b1159e8489.tar.bz2 linux-exynos-94a136495a3fbe59b960c46fba3574b1159e8489.zip | |
[SCSI] hpsa: Add a per controller commands_outstanding entry in /sys
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/hpsa.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index ddd729e2ea89..c255f46e6405 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -159,6 +159,8 @@ static ssize_t unique_id_show(struct device *dev, struct device_attribute *attr, char *buf); static ssize_t host_show_firmware_revision(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t host_show_commands_outstanding(struct device *dev, + struct device_attribute *attr, char *buf); static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno); static ssize_t host_store_rescan(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); @@ -188,6 +190,8 @@ static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL); static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan); static DEVICE_ATTR(firmware_revision, S_IRUGO, host_show_firmware_revision, NULL); +static DEVICE_ATTR(commands_outstanding, S_IRUGO, + host_show_commands_outstanding, NULL); static struct device_attribute *hpsa_sdev_attrs[] = { &dev_attr_raid_level, @@ -199,6 +203,7 @@ static struct device_attribute *hpsa_sdev_attrs[] = { static struct device_attribute *hpsa_shost_attrs[] = { &dev_attr_rescan, &dev_attr_firmware_revision, + &dev_attr_commands_outstanding, NULL, }; @@ -299,6 +304,15 @@ static ssize_t host_show_firmware_revision(struct device *dev, fwrev[0], fwrev[1], fwrev[2], fwrev[3]); } +static ssize_t host_show_commands_outstanding(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct ctlr_info *h = shost_to_hba(shost); + + return snprintf(buf, 20, "%d\n", h->commands_outstanding); +} + /* Enqueuing and dequeuing functions for cmdlists. */ static inline void addQ(struct hlist_head *list, struct CommandList *c) { |