From: Alexander Aring aahringo@redhat.com
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@vger.kernel.org Fixes: e7fd41792fc0 ("[DLM] The core of the DLM for GFS2/CLVM") Signed-off-by: Alexander Aring aahringo@redhat.com Signed-off-by: David Teigland teigland@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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; }