This is a note to let you know that I've just added the patch titled fs: dlm: start midcomms before scand to the 6.2-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: fs-dlm-start-midcomms-before-scand.patch and it can be found in the queue-6.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From aad633dc0cf90093998b1ae0ba9f19b5f1dab644 Mon Sep 17 00:00:00 2001 From: Alexander Aring <aahringo@xxxxxxxxxx> Date: Thu, 12 Jan 2023 17:10:31 -0500 Subject: fs: dlm: start midcomms before scand From: Alexander Aring <aahringo@xxxxxxxxxx> commit aad633dc0cf90093998b1ae0ba9f19b5f1dab644 upstream. The scand kthread can send dlm messages out, especially dlm remove messages to free memory for unused rsb on other nodes. To send out dlm messages, midcomms must be initialized. This patch moves the midcomms start before scand is started. Cc: stable@xxxxxxxxxxxxxxx Fixes: e7fd41792fc0 ("[DLM] The core of the DLM for GFS2/CLVM") Signed-off-by: Alexander Aring <aahringo@xxxxxxxxxx> Signed-off-by: David Teigland <teigland@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/dlm/lockspace.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -381,23 +381,23 @@ static int threads_start(void) { int error; - error = dlm_scand_start(); + /* Thread for sending/receiving messages for all lockspace's */ + error = dlm_midcomms_start(); if (error) { - log_print("cannot start dlm_scand thread %d", error); + log_print("cannot start dlm midcomms %d", error); goto fail; } - /* Thread for sending/receiving messages for all lockspace's */ - error = dlm_midcomms_start(); + error = dlm_scand_start(); if (error) { - log_print("cannot start dlm midcomms %d", error); - goto scand_fail; + log_print("cannot start dlm_scand thread %d", error); + goto midcomms_fail; } return 0; - scand_fail: - dlm_scand_stop(); + midcomms_fail: + dlm_midcomms_stop(); fail: return error; } Patches currently in stable-queue which might be from aahringo@xxxxxxxxxx are queue-6.2/fs-dlm-fix-race-setting-stop-tx-flag.patch queue-6.2/fs-dlm-send-fin-ack-back-in-right-cases.patch queue-6.2/fs-dlm-start-midcomms-before-scand.patch queue-6.2/fs-dlm-move-sending-fin-message-into-state-change-handling.patch queue-6.2/fs-dlm-fix-use-after-free-in-midcomms-commit.patch queue-6.2/fs-dlm-be-sure-to-call-dlm_send_queue_flush.patch queue-6.2/fs-dlm-don-t-set-stop-rx-flag-after-node-reset.patch