On Tue, 3 May 2022 at 16:53, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Tue, May 03, 2022 at 05:39:46PM +0300, Amir Goldstein wrote: > > It should be noted that while this API mandates text keys, > > it does not mandate text values, so for example, sb iostats could be > > exported as text or as binary struct, or as individual text/binary records or > > all of the above. > > Ugh, no, that would be a total mess. Don't go exporting random binary > structs depending on the file, that's going to be completely > unmaintainable. As it is, this is going to be hard enough with random > text fields. > > As for this format, it needs to be required to be documented in > Documentation/ABI/ for each entry and key type so that we have a chance > of knowing what is going on and tracking how things are working and > validating stuff. My preference would be a single text value for each key. Contents of ":mnt:info" contradicts that, but mountinfo has a long established, well documented format, and nothing prevents exporting individual attributes with separate names as well (the getvalues(2) patch did exactly that). Thanks, Miklos