On December 22, 2016 6:44:22 PM GMT+01:00, Robert Haas <robertmh...@gmail.com> 
>On Thu, Dec 22, 2016 at 12:39 PM, Andres Freund <and...@anarazel.de>
>> It makes more sense of you mentally separate between filename(s) and
>file contents.  Having to do filesystem metatata transactions for an
>fsync intended to sync contents would be annoying...
>I thought that's why there's fdatasync.

Not quite IIRC: that doesn't deal with file size increase.  All this would be 
easier if hardlinks wouldn't exist IIUC. It's basically a question whether 
dentry, inode or contents need to be synced.   Yes, it sucks.

Sent from my Android device with K-9 Mail. Please excuse my brevity.

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