diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/cciss.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 4fb63b898798..a45268554e07 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -195,6 +195,7 @@ static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c, static int process_sendcmd_error(ctlr_info_t *h, CommandList_struct *c); static void fail_all_cmds(unsigned long ctlr); +static int add_to_scan_list(struct ctlr_info *h); static int scan_thread(void *data); static int check_for_unit_attention(ctlr_info_t *h, CommandList_struct *c); @@ -460,9 +461,19 @@ static void __devinit cciss_procinit(int i) #define to_hba(n) container_of(n, struct ctlr_info, dev) #define to_drv(n) container_of(n, drive_info_struct, dev) -static struct device_type cciss_host_type = { - .name = "cciss_host", -}; +static ssize_t host_store_rescan(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct ctlr_info *h = to_hba(dev); + + add_to_scan_list(h); + wake_up_process(cciss_scan_thread); + wait_for_completion_interruptible(&h->scan_wait); + + return count; +} +DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan); static ssize_t dev_show_unique_id(struct device *dev, struct device_attribute *attr, @@ -566,6 +577,25 @@ static ssize_t dev_show_rev(struct device *dev, } DEVICE_ATTR(rev, S_IRUGO, dev_show_rev, NULL); +static struct attribute *cciss_host_attrs[] = { + &dev_attr_rescan.attr, + NULL +}; + +static struct attribute_group cciss_host_attr_group = { + .attrs = cciss_host_attrs, +}; + +static struct attribute_group *cciss_host_attr_groups[] = { + &cciss_host_attr_group, + NULL +}; + +static struct device_type cciss_host_type = { + .name = "cciss_host", + .groups = cciss_host_attr_groups, +}; + static struct attribute *cciss_dev_attrs[] = { &dev_attr_unique_id.attr, &dev_attr_model.attr, |