Btrfs: use the commit_root for reading free_space_inode crcs

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

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 57c3bb2..502b9e9 100644 (file)
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -22,6 +22,7 @@
 #include "extent_map.h"
 #include "extent_io.h"
 #include "ordered-data.h"
+#include "delayed-inode.h"
 
 /* in memory btrfs inode */
 struct btrfs_inode {
@@ -33,6 +34,9 @@ struct btrfs_inode {
         */
        struct btrfs_key location;
 
+       /* Lock for counters */
+       spinlock_t lock;
+
        /* the extent_tree has caches of all the extent mappings to disk */
        struct extent_map_tree extent_tree;
 
@@ -120,9 +124,6 @@ struct btrfs_inode {
         */
        u64 index_cnt;
 
-       /* the start of block group preferred for allocations. */
-       u64 block_group;
-
        /* the fsync log has some corner cases that mean we have to check
         * directories to see if any unlinks have been done before
         * the directory was logged.  See tree-log.c for all the
@@ -136,8 +137,8 @@ struct btrfs_inode {
         * items we think we'll end up using, and reserved_extents is the number
         * of extent items we've reserved metadata for.
         */
-       atomic_t outstanding_extents;
-       atomic_t reserved_extents;
+       unsigned outstanding_extents;
+       unsigned reserved_extents;
 
        /*
         * ordered_data_close is set by truncate when a file that used
@@ -152,24 +153,47 @@ struct btrfs_inode {
        unsigned ordered_data_close:1;
        unsigned orphan_meta_reserved:1;
        unsigned dummy_inode:1;
+       unsigned in_defrag:1;
 
        /*
         * always compress this one file
         */
        unsigned force_compress:4;
 
+       struct btrfs_delayed_node *delayed_node;
+
        struct inode vfs_inode;
 };
 
+extern unsigned char btrfs_filetype_table[];
+
 static inline struct btrfs_inode *BTRFS_I(struct inode *inode)
 {
        return container_of(inode, struct btrfs_inode, vfs_inode);
 }
 
+static inline u64 btrfs_ino(struct inode *inode)
+{
+       u64 ino = BTRFS_I(inode)->location.objectid;
+
+       if (ino <= BTRFS_FIRST_FREE_OBJECTID)
+               ino = inode->i_ino;
+       return ino;
+}
+
 static inline void btrfs_i_size_write(struct inode *inode, u64 size)
 {
        i_size_write(inode, size);
        BTRFS_I(inode)->disk_i_size = size;
 }
 
+static inline bool btrfs_is_free_space_inode(struct btrfs_root *root,
+                                      struct inode *inode)
+{
+       if (root == root->fs_info->tree_root ||
+           BTRFS_I(inode)->location.objectid == BTRFS_FREE_INO_OBJECTID)
+               return true;
+       return false;
+}
+
 #endif