The commit is pushed to "branch-rh7-3.10.0-1160.80.1.vz7.192.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-1160.80.1.vz7.192.2
------>
commit 27a5275ea7e9fd28bca4df13d5ffc846b2a0568b
Author: Alexander Atanasov <[email protected]>
Date: Thu Jan 5 18:50:09 2023 +0200
ploop: Check queue_flags size at compile time
QUEUE_STANDBY_EN flag made the used bits more than 31 so it is now
required that queue_flags is a 64 bits. Add compile time check to
ensure it is.
https://jira.sw.ru/browse/PSBM-144163
Signed-off-by: Alexander Atanasov <[email protected]>
---
drivers/block/ploop/dev.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/block/ploop/dev.c b/drivers/block/ploop/dev.c
index 32f4a394e4b8..4e06123f4f14 100644
--- a/drivers/block/ploop/dev.c
+++ b/drivers/block/ploop/dev.c
@@ -3623,6 +3623,9 @@ static int ploop_replace_delta(struct ploop_device * plo,
unsigned long arg)
spin_lock_irq(plo->queue->queue_lock);
queue_flag_clear(QUEUE_FLAG_STANDBY, plo->queue);
spin_unlock_irq(plo->queue->queue_lock);
+ BUILD_BUG_ON_MSG(sizeof(plo->queue->queue_flags) * 8 < BITS_PER_LONG ||
+ BITS_PER_LONG < 64,
+ "queue_flags require 64 bit storage variable");
ploop_relax(plo);
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