cost of tdb transactions on ext4 with barriers

[simo]

On Fri, 2010-02-12 at 12:44 +1100, tridge at samba.org wrote:
> If ext4 and btrfs are the future of Linux filesystems then tdb/Samba
> are in real trouble!

I am also told that using fdatasync() instead of fsync() may help quite
a bit on ext3/ext4, we do not use fdatasync() in tdb right now it is
worth trying imo.

Simo.

-- 
Simo Sorce
Samba Team GPL Compliance Officer <simo at samba.org>
Principal Software Engineer at Red Hat, Inc. <simo at redhat.com>