Yes. It should be inherited.
For the property values, I'd prefer:
"standard" - we honor the standard (posix) semantics, without saying
posix.
"always" - make every system call synchronous.
"barrier" - treat fsync() only as a write barrier, which ensures that
all previous
writes/updates will be on stable storage before any subsequent updates.
Jeff
On Apr 1, 2010, at 10:33 AM, Darren J Moffat wrote:
On 01/04/2010 18:28, Neil Perrin wrote:
We've flip-flopped on whether it should be inherited. It's currently
coded as inherited, and I know Robert believes it should stay that
way.
Anyway, it was generally felt by the zfs group that sync=disabled
was sufficiently dangerous to require explicit setting on each
dataset.
I would be ok with it being inherited.
I agree that it is dangerous but I'm not sure that the change in
semantics means it shouldn't be inherited. On the other hand I
can't think of any other equivalently "dangerous" (to applications
view of the world) per dataset property.
--
Darren J Moffat
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