[Devel] [PATCH RHEL9 COMMIT] dm-qcow2: Temporary disable dirty bit check

[Konstantin Khorenko]

The commit is pushed to "branch-rh9-5.14.vz9.1.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh9-5.14.0-4.vz9.10.30
------>
commit dbfa187adbb3fc0ae65ca503e4d2d7fd46e0e46c
Author: Kirill Tkhai <ktkhai at virtuozzo.com>
Date:   Fri Nov 19 18:54:41 2021 +0300

    dm-qcow2: Temporary disable dirty bit check
    
    Till #PSBM-136244 is fixed.
    
    https://jira.sw.ru/browse/PSBM-136216
    
    Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
 drivers/md/dm-qcow2-target.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/md/dm-qcow2-target.c b/drivers/md/dm-qcow2-target.c
index b6915edd6a3c..97845929b6b5 100644
--- a/drivers/md/dm-qcow2-target.c
+++ b/drivers/md/dm-qcow2-target.c
@@ -504,9 +504,9 @@ static int qcow2_check_convert_hdr(struct dm_target *ti,
 
 	is_ro = !(dm_table_get_mode(ti->table) & FMODE_WRITE);
 
-	if (!is_ro && kernel_sets_dirty_bit !=
-	    !(hdr->incompatible_features & INCOMPATIBLE_FEATURES_DIRTY_BIT))
-		return kernel_sets_dirty_bit ? -EUCLEAN : -ENOLCK;
+//	if (!is_ro && kernel_sets_dirty_bit !=
+//	    !(hdr->incompatible_features & INCOMPATIBLE_FEATURES_DIRTY_BIT))
+//		return kernel_sets_dirty_bit ? -EUCLEAN : -ENOLCK;
 	if (hdr->incompatible_features &
 	    ~(INCOMPATIBLE_FEATURES_EXTL2_BIT|INCOMPATIBLE_FEATURES_DIRTY_BIT))
 		return -EOPNOTSUPP;