2.6.39 Disk
Running pts/apache-1.3.0, pts/pgbench-1.2.0, pts/postmark-1.0.0, pts/sqlite-1.8.0, pts/dbench-1.0.0, pts/fio-1.1.0, pts/fs-mark-1.0.0, pts/tiobench-1.1.0, pts/iozone-1.7.0 via the Phoronix Test Suite.


EXT4: Linux 2.6.37: 

	Processor: Intel Core 2 Duo T9300 @ 2.50GHz (2 Cores), Motherboard: LENOVO 6459CTO, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M-E, Memory: 4096MB, Disk: 100GB Hitachi HTS72201, Graphics: NVIDIA Quadro NVS 140M (400/600MHz), Audio: Analog Devices AD1984

	OS: Ubuntu 11.04, Kernel: 2.6.37-020637-generic (x86_64), Desktop: GNOME 2.32.1, Display Server: X Server 1.10.1, Display Driver: nouveau 0.0.16, Compiler: GCC 4.5.2, File-System: ext4, Screen Resolution: 1680x1050

EXT4: Linux 2.6.38: 

	Processor: Intel Core 2 Duo T9300 @ 2.50GHz (2 Cores), Motherboard: LENOVO 6459CTO, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M-E, Memory: 4096MB, Disk: 100GB Hitachi HTS72201, Graphics: NVIDIA Quadro NVS 140M (400/600MHz), Audio: Analog Devices AD1984

	OS: Ubuntu 11.04, Kernel: 2.6.38-020638-generic (x86_64), Desktop: GNOME 2.32.1, Display Server: X Server 1.10.1, Display Driver: nouveau 0.0.16, Compiler: GCC 4.5.2, File-System: ext4, Screen Resolution: 1680x1050

EXT4: Linux 2.6.39: 

	Processor: Intel Core 2 Duo T9300 @ 2.50GHz (2 Cores), Motherboard: LENOVO 6459CTO, Chipset: Intel Mobile PM965/GM965/GL960 + ICH8M-E, Memory: 4096MB, Disk: 100GB Hitachi HTS72201, Graphics: NVIDIA Quadro NVS 140M (400/600MHz), Audio: Analog Devices AD1984

	OS: Ubuntu 11.04, Kernel: 2.6.39-999-generic (x86_64), Desktop: GNOME 2.32.1, Display Server: X Server 1.10.1, Display Driver: nouveau 0.0.16, Compiler: GCC 4.5.2, File-System: ext4, Screen Resolution: 1680x1050


Apache Benchmark 2.2.17
Static Web Page Serving
Requests Per Second > Higher Is Better
EXT4: Linux 2.6.37 . 9262.61 |=================================================
EXT4: Linux 2.6.38 . 9327.33 |=================================================
EXT4: Linux 2.6.39 . 8658.16 |=============================================


PostgreSQL pgbench 9.0.1
TPC-B Transactions Per Second
TPS > Higher Is Better
EXT4: Linux 2.6.37 . 109.95 |==================================================
EXT4: Linux 2.6.38 . 109.01 |==================================================
EXT4: Linux 2.6.39 . 109.92 |==================================================


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
EXT4: Linux 2.6.37 . 2241 |====================================================
EXT4: Linux 2.6.38 . 2215 |===================================================
EXT4: Linux 2.6.39 . 2178 |===================================================


SQLite 3.7.3
Test Target: Default Test Directory
Seconds < Lower Is Better
EXT4: Linux 2.6.37 . 789.28 |=================================================
EXT4: Linux 2.6.38 . 805.78 |==================================================
EXT4: Linux 2.6.39 . 787.43 |=================================================


Dbench 4.0
Client Count: 12
MB/s > Higher Is Better
EXT4: Linux 2.6.37 . 54.85 |===================================================
EXT4: Linux 2.6.38 . 55.36 |===================================================
EXT4: Linux 2.6.39 . 54.32 |==================================================


Flexible IO Tester 1.21
Test: Intel IOMeter File Server Access Pattern
Seconds (Run Time) < Lower Is Better
EXT4: Linux 2.6.37 . 99.42 |===================================================
EXT4: Linux 2.6.38 . 99.30 |===================================================
EXT4: Linux 2.6.39 . 99.02 |===================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
EXT4: Linux 2.6.37 . 17.57 |===================================================
EXT4: Linux 2.6.38 . 17.67 |===================================================
EXT4: Linux 2.6.39 . 17.70 |===================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size, No Sync/FSync
Files/s > Higher Is Better
EXT4: Linux 2.6.37 . 67.47 |===================================================
EXT4: Linux 2.6.38 . 67.03 |==================================================
EXT4: Linux 2.6.39 . 67.97 |===================================================


Threaded I/O Tester 0.3.3
Test: Random Write - Size Per Thread: 128MB - Thread Count: 8
MB/s > Higher Is Better
EXT4: Linux 2.6.37 . 1.96 |====================================================
EXT4: Linux 2.6.38 . 1.95 |====================================================
EXT4: Linux 2.6.39 . 1.96 |====================================================


IOzone 3.347
Record Size: 64Kb - File Size: 8GB - Disk Test: Write Performance
MB/s > Higher Is Better
EXT4: Linux 2.6.37 . 50.87 |===================================================
EXT4: Linux 2.6.38 . 50.88 |===================================================
EXT4: Linux 2.6.39 . 50.64 |===================================================


IOzone 3.347
Record Size: 64Kb - File Size: 8GB - Disk Test: Read Performance
MB/s > Higher Is Better
EXT4: Linux 2.6.37 . 51.73 |=======================================
EXT4: Linux 2.6.38 . 51.67 |=======================================
EXT4: Linux 2.6.39 . 67.92 |===================================================