Re: [PATCH] issue storage dev flush from generic file_fsync helper

[Fernando Luis Vázquez Cao]

Christoph Hellwig wrote:
> Looks good except that we still need a tuning know for it.  Preferably
> one that works for these filesystems and all the existing barrier using
> ones.

Christoph, I reworked my previous fsync() patches so that what was a 
mount option to trigger a storage device writeback cache flush becomes a 
sysfs knob.

I still need to add support for automatic detection of underlying 
device's flushing capabilities but first I would like to know if you 
agree with the general approach.

I'll be replying to this email with the new patches.

- Fernando
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