A little mistake in 8a2bfdcb is making all
transactions synchronous, which reduces ext3 performance to comical levels.

Cc: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>