BTRFS: Remove unused node_lock

[pandora-kernel.git] / fs / btrfs / ctree.h

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 3458b57..f290b98 100644 (file)
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -718,7 +718,7 @@ struct btrfs_space_info {
        u64 total_bytes;        /* total bytes in the space,
                                   this doesn't take mirrors into account */
        u64 bytes_used;         /* total bytes used,
-                                  this does't take mirrors into account */
+                                  this doesn't take mirrors into account */
        u64 bytes_pinned;       /* total bytes pinned, will be freed when the
                                   transaction finishes */
        u64 bytes_reserved;     /* total bytes the allocator has reserved for
@@ -740,8 +740,10 @@ struct btrfs_space_info {
         */
        unsigned long reservation_progress;
 
-       int full;               /* indicates that we cannot allocate any more
+       int full:1;             /* indicates that we cannot allocate any more
                                   chunks for this space */
+       int chunk_alloc:1;      /* set if we are allocating a chunk */
+
        int force_alloc;        /* set if we need to force a chunk alloc for
                                   this space */
 
@@ -1086,9 +1088,6 @@ struct btrfs_fs_info {
 struct btrfs_root {
        struct extent_buffer *node;
 
-       /* the node lock is held while changing the node pointer */
-       spinlock_t node_lock;
-
        struct extent_buffer *commit_root;
        struct btrfs_root *log_root;
        struct btrfs_root *reloc_root;
@@ -2576,6 +2575,11 @@ int btrfs_drop_extents(struct btrfs_trans_handle *trans, struct inode *inode,
 int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
                              struct inode *inode, u64 start, u64 end);
 int btrfs_release_file(struct inode *inode, struct file *file);
+void btrfs_drop_pages(struct page **pages, size_t num_pages);
+int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode,
+                     struct page **pages, size_t num_pages,
+                     loff_t pos, size_t write_bytes,
+                     struct extent_state **cached);
 
 /* tree-defrag.c */
 int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,