Btrfs: Maintain a list of inodes that are delalloc and a way to wait on them

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 62499dd761b7..116aee21bf77 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -551,6 +551,7 @@ struct btrfs_fs_info {
          */
         spinlock_t ordered_extent_lock;
         struct list_head ordered_extents;
+        struct list_head delalloc_inodes;
 
         /*
          * there is a pool of worker threads for checksumming during writes
@@ -637,6 +638,7 @@ struct btrfs_root {
         struct kobject root_kobj;
         struct completion kobj_unregister;
         struct mutex objectid_mutex;
+
         u64 objectid;
         u64 last_trans;
 
@@ -1651,6 +1653,8 @@ int btrfs_csum_truncate(struct btrfs_trans_handle *trans,
 #define PageChecked PageFsMisc
 #endif
 
+int btrfs_start_delalloc_inodes(struct btrfs_root *root);
+int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end);
 int btrfs_writepages(struct address_space *mapping,
                      struct writeback_control *wbc);
 int btrfs_create_subvol_root(struct btrfs_root *new_root,