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| author | Patrick Caulfield <pcaulfie@redhat.com> | 2007-06-01 10:07:26 -0500 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2007-07-09 08:23:05 +0100 |
| commit | afb853fb4eec380b492a3c369f837359359c28e8 (patch) | |
| tree | ee589e832761f6915db48a222288f68164874a05 /fs/dlm/lowcomms.c | |
| parent | 89918647a445fddfe223b097e29f775dcfa81eab (diff) | |
| download | lwn-afb853fb4eec380b492a3c369f837359359c28e8.tar.gz lwn-afb853fb4eec380b492a3c369f837359359c28e8.zip | |
[DLM] fix socket shutdown
This patch clears the user_data of active sockets as part of cleanup.
This prevents any late-arriving data from trying to add jobs to the work
queue while we are tidying up.
Signed-Off-By: Patrick Caulfield <pcaulfie@redhat.com>
Signed-Off-By: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/dlm/lowcomms.c')
| -rw-r--r-- | fs/dlm/lowcomms.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 27970a58d29b..fc0bff74c61e 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -260,7 +260,7 @@ static int nodeid_to_addr(int nodeid, struct sockaddr *retaddr) static void lowcomms_data_ready(struct sock *sk, int count_unused) { struct connection *con = sock2con(sk); - if (!test_and_set_bit(CF_READ_PENDING, &con->flags)) + if (con && !test_and_set_bit(CF_READ_PENDING, &con->flags)) queue_work(recv_workqueue, &con->rwork); } @@ -268,7 +268,7 @@ static void lowcomms_write_space(struct sock *sk) { struct connection *con = sock2con(sk); - if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) + if (con && !test_and_set_bit(CF_WRITE_PENDING, &con->flags)) queue_work(send_workqueue, &con->swork); } @@ -1400,8 +1400,11 @@ void dlm_lowcomms_stop(void) down(&connections_lock); for (i = 0; i <= max_nodeid; i++) { con = __nodeid2con(i, 0); - if (con) + if (con) { con->flags |= 0xFF; + if (con->sock) + con->sock->sk->sk_user_data = NULL; + } } up(&connections_lock); |