Messages in this thread | | | Date | Thu, 27 Aug 2009 20:49:48 +0200 | From | Christoph Hellwig <> | Subject | Re: notes on volatile write caches vs fdatasync |
| |
On Thu, Aug 27, 2009 at 03:02:52PM +0200, Jan Kara wrote: > I've noticed this as well when we were tracking some problems Pavel > Machek found with his USB stick. I even wrote a patch at the time > http://osdir.com/ml/linux-ext4/2009-01/msg00015.html > but it somehow died out. Now, the situation should be simpler with > fsync paths cleaned up... BTW: People wanted this to be configurable per > block device which probably makes sence...
Yeah, that patch is pretty ugly. We need to do these cache flushes in ->fsync (and ->sync_fs if any filesystem really doesn't guarantee to issue transaction there after data has been written). Adding it to simple_fsync too sounds good to me.
| |