Hi Neil, On Mon, Mar 18, 2019 at 12:58 AM NeilBrown <neilb@xxxxxxxx> wrote: > > On Sun, Mar 17 2019, Alexander Lyakas wrote: > > > Hi Zhilong Liu, Shaohua Li, > > > > In case of do_md_stop(), when we want to stop and disassemble the > > array, why are we clearing MD_CLOSING? Then, after clearing this flag, > > md_open will succeed. So MD_CLOSING flag is not serving its purpose, > > to my understanding. How can we prevent md_open() to succeed after > > do_md_stop()? > > If you want to understand MD_CLOSING, I suggest that you look through > the "git log" history to see the comments in the comment that introduced > or changed the flag. > > We don't want to prevent md_open() from succeeding after do_md_stop(). > We only want to block it while do_md_stop() is completing its task. > Thanks for your response. I found the previous MD_CLOSING commit in the git history, and it's clear now. > BTW Shaohua is no longer with us https://lwn.net/Articles/775861/ I apologize. I did not know that. Thanks, Alex.
