btrfs: get fs_info from eb in read_one_dev

We can read fs_info from extent buffer and can drop it from the
parameters.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2c04779..c10e389 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6877,10 +6877,10 @@ out:
        return fs_devices;
 }
 
-static int read_one_dev(struct btrfs_fs_info *fs_info,
-                       struct extent_buffer *leaf,
+static int read_one_dev(struct extent_buffer *leaf,
                        struct btrfs_dev_item *dev_item)
 {
+       struct btrfs_fs_info *fs_info = leaf->fs_info;
        struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
        struct btrfs_device *device;
        u64 devid;
@@ -7210,7 +7210,7 @@ int btrfs_read_chunk_tree(struct btrfs_fs_info *fs_info)
                        struct btrfs_dev_item *dev_item;
                        dev_item = btrfs_item_ptr(leaf, slot,
                                                  struct btrfs_dev_item);
-                       ret = read_one_dev(fs_info, leaf, dev_item);
+                       ret = read_one_dev(leaf, dev_item);
                        if (ret)
                                goto error;
                        total_dev++;