[PATCH 3/5] Export dev_item.type in sysfs /sys/fs/btrfs//devinfo//type

[Goffredo Baroncelli]

From: Goffredo Baroncelli <kreij...@inwind.it>

---
 fs/btrfs/sysfs.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 19b9fffa2c9c..594e8445fe21 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -1416,11 +1416,22 @@ static ssize_t btrfs_devinfo_writeable_show(struct 
kobject *kobj,
 }
 BTRFS_ATTR(devid, writeable, btrfs_devinfo_writeable_show);
 
+static ssize_t btrfs_devinfo_type_show(struct kobject *kobj,
+                                           struct kobj_attribute *a, char *buf)
+{
+       struct btrfs_device *device = container_of(kobj, struct btrfs_device,
+                                                  devid_kobj);
+
+       return scnprintf(buf, PAGE_SIZE, "0x%08llx\n",device->type);
+}
+BTRFS_ATTR(devid, type, btrfs_devinfo_type_show);
+
 static struct attribute *devid_attrs[] = {
        BTRFS_ATTR_PTR(devid, in_fs_metadata),
        BTRFS_ATTR_PTR(devid, missing),
        BTRFS_ATTR_PTR(devid, replace_target),
        BTRFS_ATTR_PTR(devid, writeable),
+       BTRFS_ATTR_PTR(devid, type),
        NULL
 };
 ATTRIBUTE_GROUPS(devid);
-- 
2.30.0