cfq-iosched: apply bool value where we return 0/1

[safe/jmp/linux-2.6] / block / genhd.c

diff --git a/block/genhd.c b/block/genhd.c
index b89328e..517e433 100644 (file)
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -869,6 +869,7 @@ static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL);
 static DEVICE_ATTR(alignment_offset, S_IRUGO, disk_alignment_offset_show, NULL);
 static DEVICE_ATTR(capability, S_IRUGO, disk_capability_show, NULL);
 static DEVICE_ATTR(stat, S_IRUGO, part_stat_show, NULL);
+static DEVICE_ATTR(inflight, S_IRUGO, part_inflight_show, NULL);
 #ifdef CONFIG_FAIL_MAKE_REQUEST
 static struct device_attribute dev_attr_fail =
        __ATTR(make-it-fail, S_IRUGO|S_IWUSR, part_fail_show, part_fail_store);
@@ -888,6 +889,7 @@ static struct attribute *disk_attrs[] = {
        &dev_attr_alignment_offset.attr,
        &dev_attr_capability.attr,
        &dev_attr_stat.attr,
+       &dev_attr_inflight.attr,
 #ifdef CONFIG_FAIL_MAKE_REQUEST
        &dev_attr_fail.attr,
 #endif
@@ -901,7 +903,7 @@ static struct attribute_group disk_attr_group = {
        .attrs = disk_attrs,
 };
 
-static struct attribute_group *disk_attr_groups[] = {
+static const struct attribute_group *disk_attr_groups[] = {
        &disk_attr_group,
        NULL
 };
@@ -996,12 +998,12 @@ struct class block_class = {
        .name           = "block",
 };
 
-static char *block_nodename(struct device *dev)
+static char *block_devnode(struct device *dev, mode_t *mode)
 {
        struct gendisk *disk = dev_to_disk(dev);
 
-       if (disk->nodename)
-               return disk->nodename(disk);
+       if (disk->devnode)
+               return disk->devnode(disk, mode);
        return NULL;
 }
 
@@ -1009,7 +1011,7 @@ static struct device_type disk_type = {
        .name           = "disk",
        .groups         = disk_attr_groups,
        .release        = disk_release,
-       .nodename       = block_nodename,
+       .devnode        = block_devnode,
 };
 
 #ifdef CONFIG_PROC_FS
@@ -1053,7 +1055,7 @@ static int diskstats_show(struct seq_file *seqf, void *v)
                           part_stat_read(hd, merges[1]),
                           (unsigned long long)part_stat_read(hd, sectors[1]),
                           jiffies_to_msecs(part_stat_read(hd, ticks[1])),
-                          hd->in_flight,
+                          part_in_flight(hd),
                           jiffies_to_msecs(part_stat_read(hd, io_ticks)),
                           jiffies_to_msecs(part_stat_read(hd, time_in_queue))
                        );