btrfs: tree-checker: get fs_info from eb in check_dev_item

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/tree-checker.c b/fs/btrfs/tree-checker.c
index 03bee2b..752ac3b 100644 (file)
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -629,10 +629,10 @@ static void dev_item_err(const struct extent_buffer *eb, int slot,
        va_end(args);
 }
 
-static int check_dev_item(struct btrfs_fs_info *fs_info,
-                         struct extent_buffer *leaf,
+static int check_dev_item(struct extent_buffer *leaf,
                          struct btrfs_key *key, int slot)
 {
+       struct btrfs_fs_info *fs_info = leaf->fs_info;
        struct btrfs_dev_item *ditem;
        u64 max_devid = max(BTRFS_MAX_DEVS(fs_info), BTRFS_MAX_DEVS_SYS_CHUNK);
 
@@ -797,7 +797,7 @@ static int check_leaf_item(struct extent_buffer *leaf,
                                              key->offset);
                break;
        case BTRFS_DEV_ITEM_KEY:
-               ret = check_dev_item(leaf->fs_info, leaf, key, slot);
+               ret = check_dev_item(leaf, key, slot);
                break;
        case BTRFS_INODE_ITEM_KEY:
                ret = check_inode_item(leaf->fs_info, leaf, key, slot);