From: Ilya Dryomov Date: Thu, 29 Sep 2016 12:23:12 +0000 (+0200) Subject: rbd: don't retry watch reregistration if header object is gone X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4d73644bc3d76dd161a84e3849c6f2c9c01c4ba7;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git rbd: don't retry watch reregistration if header object is gone If the header object gets deleted (perhaps along with the entire pool), there is no point in attempting to reregister the watch. Treat this the same as blacklisting: fail all pending and new I/Os requiring the lock. Signed-off-by: Ilya Dryomov --- diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 633e8c2ea120..7b274ff4632c 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -3944,7 +3944,7 @@ static void rbd_reregister_watch(struct work_struct *work) ret = __rbd_register_watch(rbd_dev); if (ret) { rbd_warn(rbd_dev, "failed to reregister watch: %d", ret); - if (ret == -EBLACKLISTED) { + if (ret == -EBLACKLISTED || ret == -ENOENT) { set_bit(RBD_DEV_FLAG_BLACKLISTED, &rbd_dev->flags); need_to_wake = true; } else {