Btrfs: add extra flushing for renames and truncates

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

diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 3af4cfb..b30986f 100644 (file)
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -66,6 +66,12 @@ struct btrfs_inode {
         */
        struct list_head delalloc_inodes;
 
+       /*
+        * list for tracking inodes that must be sent to disk before a
+        * rename or truncate commit
+        */
+       struct list_head ordered_operations;
+
        /* the space_info for where this inode's data allocations are done */
        struct btrfs_space_info *space_info;
 
@@ -122,6 +128,18 @@ struct btrfs_inode {
         */
        u64 last_unlink_trans;
 
+       /*
+        * ordered_data_close is set by truncate when a file that used
+        * to have good data has been truncated to zero.  When it is set
+        * the btrfs file release call will add this inode to the
+        * ordered operations list so that we make sure to flush out any
+        * new data the application may have written before commit.
+        *
+        * yes, its silly to have a single bitflag, but we might grow more
+        * of these.
+        */
+       unsigned ordered_data_close:1;
+
        struct inode vfs_inode;
 };