Hi Ted,
I just updated the ext4 patch queue, rebase to 2.6.22-rc1.
changes since 2.6.21.1
#Updated with Amit's latest fallocate() patches posted yesterday.
fallocate-1-fallocate-syscall
fallocate-1b-fallocate_inode_op_fix.patch
fallocate-2-fallocate-syscall-s390
fallocate-2b-fallocate-syscall-ia64
fallocate-3-extent-overlap-bugfix
fallocate-4-ext4-fallocate_and_unitialized_extents
fallocate-5-ext4-uninit-extents
#Added a patch to fix return value of fallocate() inode operation;
fallocate-1b-fallocate_inode_op_fix.patch
#Added a patch to enable extents mount option by default;
ext4_extents_on_by_default.patch
#Added a patch to fix compile error with expand inode extra_isize;
ext4_expand_inode_isize_fix.patch
#Added patch to remove unnecessary exported ext4 symbols;
ext4_remove_exported_symbles.patch
Tested this series on x86,x86_64,ppc64 with fsx, dbench and tiobench
http://repo.or.cz/w/ext4-patch-queue.git
Mingming