[Devel] [PATCH RHEL8 COMMIT] push_backup: Add unsigned long alignment

[Konstantin Khorenko]

The commit is pushed to "branch-rh8-4.18.0-305.3.1.vz8.7.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh8-4.18.0-305.3.1.vz8.7.11
------>
commit 7d168e3a874ca7914d0898d60dcce3ce677ef841
Author: Kirill Tkhai <ktkhai at virtuozzo.com>
Date:   Fri Sep 10 20:16:43 2021 +0300

    push_backup: Add unsigned long alignment
    
    find_bit() requires it.
    
    Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
    
    ====================
    push_backup: Make target !immutable.
    
    https://jira.sw.ru/browse/PSBM-127989
    
    Kirill Tkhai (14):
          push_backup: Rename ppb_map
          push_backup: Add unsigned long alignment
          push_backup: Add pending_map
          push_backup: Kill find_node_pbio_range()
          push_backup: Use nr_delayed in postpone_if_required_for_backup()
          push_backup: Introduce hash table
          push_backup: Leave pending pbio in pending queue
          push_backup: Do not split bios by cluster size
          dm: Allow singleton target with devices attached
          dm: Introduce dm_requeue_original_rq()
          push_backup: Make it request based
          push_backup: Change retval postpone_if_required_for_backup()
          push_backup: Change arguments of calc_bio_clusters()
          push_backup: Make the target !immutable
---
 drivers/md/dm-push-backup.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/dm-push-backup.c b/drivers/md/dm-push-backup.c
index 14a7163c03d7..b6b4beda422c 100644
--- a/drivers/md/dm-push-backup.c
+++ b/drivers/md/dm-push-backup.c
@@ -309,6 +309,7 @@ static int setup_pb(struct push_backup *pb, void __user *mask, int timeout)
 	pb->timeout_in_jiffies = timeout * HZ;
 
 	size = DIV_ROUND_UP(clus, 8);
+	size = ALIGN(size, sizeof(unsigned long));
 
 	map = kvzalloc(size, GFP_KERNEL);
 	if (!map)