1. f2183bd Btrfs: Add BH_Defrag to mark buffers that are in need of defragging by Chris Mason · 17 years ago
  2. e9d0b13 Btrfs: Btree defrag on the extent-mapping tree as well by Chris Mason · 17 years ago
  3. 409eb95 Btrfs: Further reduce the concurrency penalty of defrag and drop_snapshot by Chris Mason · 17 years ago
  4. 6702ed4 Btrfs: Add run time btree defrag, and an ioctl to force btree defrag by Chris Mason · 17 years ago