[Devel] [PATCH RHEL9 COMMIT] ext4: Simplify UUID dereference in ext4_send_uevent_work()

[Konstantin Khorenko]

The commit is pushed to "branch-rh9-5.14.0-4.vz9.12.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh9-5.14.0-4.vz9.12.2
------>
commit 8b47ebbd56f0fc82b857a25a4b6c873a5110fd5b
Author: Kirill Tkhai <ktkhai at virtuozzo.com>
Date:   Thu Jan 27 17:36:53 2022 +0300

    ext4: Simplify UUID dereference in ext4_send_uevent_work()
    
    UUID copy is in super_block::s_uuid.
    
    To_merge: ac6082c837be ("ext4: add generic uevent infrastructure")
    Signed-off-by: Kirill Tkhai <ktkhai at virtuozzo.com>
    
    ====================
    xfs: Add notification about fs events like for ext4
    
    This patchset generalizes ext4's related code and introduced the same
    uevent notifications for xfs.
    
    https://jira.sw.ru/browse/PSBM-135476
    Feature: fs: udev events support
---
 fs/ext4/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index acb7994bac02..88927904478e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -436,7 +436,7 @@ static void ext4_send_uevent_work(struct work_struct *w)
 	struct fs_uevent *e = container_of(w, struct fs_uevent, work);
 	struct super_block *sb = e->sb;
 	struct kobj_uevent_env *env;
-	const u8 *uuid = EXT4_SB(sb)->s_es->s_uuid;
+	const uuid_t *uuid = &sb->s_uuid;
 	enum kobject_action kaction = KOBJ_CHANGE;
 	int ret;