[mythtv-users] Use of fsync

[Gary Buhrmaster]

On Tue, Oct 22, 2013 at 5:36 PM, Rich Freeman
<r-mythtv at thefreemanclan.net> wrote:
...
> Agree.  In my case I'm writing to btrfs, but not with any kind of
> flash cache.  Flash cache isn't really expected to improve write
> performance for something like MythTV in any case - it is more
> targeted at lots of small random writes and not large sequential
> writes.

Things are very different with ZFS (and it is use of a ZIL) than with
any Linux FS, including btrfs (ZFS and btrfs share some common
goals and some common advanced techniques, but the details
are different).