On Mon, Dec 01, 2025 at 03:41:03PM +0800, Haotian Zhang wrote: > The log_writes_kthread() calls try_to_freeze() but lacks set_freezable(), > rendering the freeze attempt ineffective since kernel threads are > non-freezable by default. This prevents proper thread suspension during > system suspend/hibernate. > > Add set_freezable() to explicitly mark the thread as freezable. >
Reviewed-by: Benjamin Marzinski <[email protected]> > Fixes: 0e9cebe72459 ("dm: add log writes target") > Signed-off-by: Haotian Zhang <[email protected]> > --- > drivers/md/dm-log-writes.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/md/dm-log-writes.c b/drivers/md/dm-log-writes.c > index 679b07dee229..1f8fbc27a12f 100644 > --- a/drivers/md/dm-log-writes.c > +++ b/drivers/md/dm-log-writes.c > @@ -432,6 +432,7 @@ static int log_writes_kthread(void *arg) > struct log_writes_c *lc = arg; > sector_t sector = 0; > > + set_freezable(); > while (!kthread_should_stop()) { > bool super = false; > bool logging_enabled; > -- > 2.50.1.windows.1 >
