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-rw-r--r--fs/btrfs/btrfs_inode.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 3af4cfb5654c..b30986f00b9d 100644
--- 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;
};