Merge branch 'linus' into smp/hotplug

Apply upstream changes to avoid conflicts with pending patches.

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 2fe8f89091a3..eff3993c77b3 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1028,6 +1028,7 @@ struct btrfs_fs_info {
         struct btrfs_workqueue *qgroup_rescan_workers;
         struct completion qgroup_rescan_completion;
         struct btrfs_work qgroup_rescan_work;
+        bool qgroup_rescan_running;     /* protected by qgroup_rescan_lock */
 
         /* filesystem state */
         unsigned long fs_state;
@@ -1079,6 +1080,8 @@ struct btrfs_fs_info {
         struct list_head pinned_chunks;
 
         int creating_free_space_tree;
+        /* Used to record internally whether fs has been frozen */
+        int fs_frozen;
 };
 
 struct btrfs_subvolume_writers {
@@ -2578,7 +2581,7 @@ int btrfs_alloc_logged_file_extent(struct btrfs_trans_handle *trans,
                                    struct btrfs_root *root,
                                    u64 root_objectid, u64 owner, u64 offset,
                                    struct btrfs_key *ins);
-int btrfs_reserve_extent(struct btrfs_root *root, u64 num_bytes,
+int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 num_bytes,
                          u64 min_alloc_size, u64 empty_size, u64 hint_byte,
                          struct btrfs_key *ins, int is_data, int delalloc);
 int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,