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> --- 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 8c91b394c50f..683048f77701 100644 --- a/fs/fuse/kio/pcs/pcs_map.c +++ b/fs/fuse/kio/pcs/pcs_map.c @@ -305,7 +305,8 @@ again: 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(); -- 2.34.1 _______________________________________________ Devel mailing list Devel@openvz.org https://lists.openvz.org/mailman/listinfo/devel
