btrfs: get fs_info from block group in next_block_group

We can read fs_info from the block group cache structure and can drop it
from the parameters.

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

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 2f32d996c442d642fd64bd2a0996bcd2ec9635ac..7a0f3e1519996b86e099125de0785e22023fa706 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3256,10 +3256,10 @@ static int write_one_cache_group(struct btrfs_trans_handle *trans,
 
 }
 
-static struct btrfs_block_group_cache *
-next_block_group(struct btrfs_fs_info *fs_info,
-                struct btrfs_block_group_cache *cache)
+static struct btrfs_block_group_cache *next_block_group(
+               struct btrfs_block_group_cache *cache)
 {
+       struct btrfs_fs_info *fs_info = cache->fs_info;
        struct rb_node *node;
 
        spin_lock(&fs_info->block_group_cache_lock);
@@ -10050,7 +10050,7 @@ void btrfs_put_block_group_cache(struct btrfs_fs_info *info)
                        if (block_group->iref)
                                break;
                        spin_unlock(&block_group->lock);
-                       block_group = next_block_group(info, block_group);
+                       block_group = next_block_group(block_group);
                }
                if (!block_group) {
                        if (last == 0)
@@ -11296,7 +11296,7 @@ int btrfs_trim_fs(struct btrfs_fs_info *fs_info, struct fstrim_range *range)
        int ret = 0;
 
        cache = btrfs_lookup_first_block_group(fs_info, range->start);
-       for (; cache; cache = next_block_group(fs_info, cache)) {
+       for (; cache; cache = next_block_group(cache)) {
                if (cache->key.objectid >= (range->start + range->len)) {
                        btrfs_put_block_group(cache);
                        break;