btrfs: stop accessing ->extent_root directly
When we start having multiple extent roots we'll need to use a helper to
get to the correct extent_root. Rename fs_info->extent_root to
_extent_root and convert all of the users of the extent root to using
the btrfs_extent_root() helper. This will allow us to easily clean up
the remaining direct accesses in the future.
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index baca295..e2824c6 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -103,9 +103,15 @@ static inline struct btrfs_root *btrfs_grab_root(struct btrfs_root *root)
return NULL;
}
+static inline struct btrfs_root *btrfs_extent_root(struct btrfs_fs_info *fs_info,
+ u64 bytenr)
+{
+ return fs_info->_extent_root;
+}
+
static inline struct btrfs_root *btrfs_block_group_root(struct btrfs_fs_info *fs_info)
{
- return fs_info->extent_root;
+ return btrfs_extent_root(fs_info, 0);
}
void btrfs_put_root(struct btrfs_root *root);