The commit is pushed to "branch-rh9-5.14.0-362.8.1.vz9.35.x-ovz" and will
appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh9-5.14.0-362.8.1.vz9.35.2
------>
commit a9f0b04bb37be26ffb012f12afc00cba03d3d454
Author: Yuriy Vasilev <yuriy.vasi...@virtuozzo.com>
Date: Wed Nov 29 11:12:56 2023 +0100
fs/fuse kio: skip truncating dropped cslists
If try_cslist_get returns false, it indicates that the cslist has already
been dropped and the map has been truncated. So, this cslist should not
be handled.
https://pmc.acronis.work/browse/VSTOR-76384
Signed-off-by: Yuriy Vasilev <yuriy.vasi...@virtuozzo.com>
Acked-by: Alexey Kuznetsov <kuz...@virtuozzo.com>
---
fs/fuse/kio/pcs/pcs_map.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/fuse/kio/pcs/pcs_map.c b/fs/fuse/kio/pcs/pcs_map.c
index 424d36d26986..fc707c9dcb65 100644
--- a/fs/fuse/kio/pcs/pcs_map.c
+++ b/fs/fuse/kio/pcs/pcs_map.c
@@ -294,7 +294,8 @@ void pcs_cs_truncate_maps(struct pcs_cs *cs)
list_move(&cs_link->link, &map_list);
cs_list = cs_link_to_cs_list(cs_link);
- cslist_get(cs_list);
+ if (!try_cslist_get(cs_list))
+ continue;
spin_unlock(&cs->lock);
rcu_read_lock();
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