On Sun, 22 Apr 2018 16:28:55 +0300 Konstantin Belousov <kostikbel_at_gmail.com> wrote: > On Sun, Apr 22, 2018 at 03:15:00PM +0200, Tijl Coosemans wrote: >> Thanks for the review. There's just one concern I have. With this patch >> the bufspace_daemon threads appear to shutdown after the buf_daemon and >> after the syncer because the event handlers are registered later. Are >> there any dependencies between these processes that require the bufspace >> threads to be stopped earlier? > > I think for correctness bufdaemon must stop after the syncer, since syncer > operation can cause a situation where bufdaemon help is needed to proceed. > Other than this, the stop order is irrelevant, because after syncer > finished, there should be no any further filesystem activity. A quick way to do that would be to use SHUTDOWN_PRI_LAST + 100 for the event handlers in the patch, like shutdown_conf in kern_shutdown.c already does. Is that acceptable here as well?Received on Sun Apr 22 2018 - 12:55:22 UTC
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