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.vz8.7.14
------>
commit c90c31e9c2cc17d3d58541032096d277b7b73197
Author: Kirill Tkhai <[email protected]>
Date: Tue Sep 28 19:19:43 2021 +0300
push_backup: Take rwsem killable
... to have possibility to kill process.
Signed-off-by: Kirill Tkhai <[email protected]>
---
drivers/md/dm-push-backup.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-push-backup.c b/drivers/md/dm-push-backup.c
index 75f080fe34cf..6d7b1859298a 100644
--- a/drivers/md/dm-push-backup.c
+++ b/drivers/md/dm-push-backup.c
@@ -578,9 +578,11 @@ static int pb_message(struct dm_target *ti, unsigned int
argc, char **argv,
read = msg_wants_down_read(argv[0]);
if (read)
- down_read(&pb->ctl_rwsem);
+ ret = down_read_killable(&pb->ctl_rwsem);
else
- down_write(&pb->ctl_rwsem);
+ ret = down_write_killable(&pb->ctl_rwsem);
+ if (unlikely(ret))
+ goto out;
if (!strcmp(argv[0], "push_backup_start")) {
if (argc < 2 || argc > 3)
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