Btrfs: pass fs_info instead of root

A small number of functions that are used in a device replace
procedure when the operation is resumed at mount time are unable
to pass the same root pointer that would be used in the regular
(ioctl) context. And since the root pointer is not required, only
the fs_info is, the root pointer argument is replaced with the
fs_info pointer argument.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index e262cd8c4a7d..b40b827f93e7 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1343,7 +1343,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
                 printk(KERN_INFO "btrfs: resizing devid %llu\n",
                        (unsigned long long)devid);
         }
-        device = btrfs_find_device(root, devid, NULL, NULL);
+        device = btrfs_find_device(root->fs_info, devid, NULL, NULL);
         if (!device) {
                 printk(KERN_INFO "btrfs: resizer unable to find device %llu\n",
                        (unsigned long long)devid);
@@ -2332,7 +2332,7 @@ static long btrfs_ioctl_dev_info(struct btrfs_root *root, void __user *arg)
                 s_uuid = di_args->uuid;
 
         mutex_lock(&fs_devices->device_list_mutex);
-        dev = btrfs_find_device(root, di_args->devid, s_uuid, NULL);
+        dev = btrfs_find_device(root->fs_info, di_args->devid, s_uuid, NULL);
         mutex_unlock(&fs_devices->device_list_mutex);
 
         if (!dev) {
@@ -3089,7 +3089,7 @@ static long btrfs_ioctl_scrub(struct btrfs_root *root, void __user *arg)
         if (IS_ERR(sa))
                 return PTR_ERR(sa);
 
-        ret = btrfs_scrub_dev(root, sa->devid, sa->start, sa->end,
+        ret = btrfs_scrub_dev(root->fs_info, sa->devid, sa->start, sa->end,
                               &sa->progress, sa->flags & BTRFS_SCRUB_READONLY);
 
         if (copy_to_user(arg, sa, sizeof(*sa)))
@@ -3104,7 +3104,7 @@ static long btrfs_ioctl_scrub_cancel(struct btrfs_root *root, void __user *arg)
         if (!capable(CAP_SYS_ADMIN))
                 return -EPERM;
 
-        return btrfs_scrub_cancel(root);
+        return btrfs_scrub_cancel(root->fs_info);
 }
 
 static long btrfs_ioctl_scrub_progress(struct btrfs_root *root,