On Thu, Sep 23, 2021 at 08:09:21PM +1000, NeilBrown wrote: > On Thu, 23 Sep 2021, Coly Li wrote: > > Hi all the kernel gurus, and folks in mailing lists, > > > > This is a question about exporting 4KB+ text information via sysfs > > interface. I need advice on how to handle the problem. > > Why do you think there is a problem? > As documented in Documentation/admin-guide/md.rst, the truncation at 1 > page is expected and by design. Ah, shouldn't that info also be in Documentation/ABI/ so that others can easily find it? thanks, greg k-h