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authortsutomu.owa@toshiba.co.jp <tsutomu.owa@toshiba.co.jp>2017-09-12 09:02:02 +0000
committerDavid Teigland <teigland@redhat.com>2017-09-25 12:45:21 -0500
commit0aa18464c812e0154e8bafc9f60ca8002b3a8e7c (patch)
treeb63b6160fa43cf0fe8b2dd7c2e6c1577a5860792 /fs/dlm/lowcomms.c
parent93eaadebe9e1c28528f01204cefccc7ba050c913 (diff)
DLM: fix to reschedule rwork
When an error occurs in kernel_recvmsg or kernel_sendpage and close_connection is called and receive work is already scheduled, receive work is canceled. In that case, the receive work will not be scheduled forever after reconnection, because CF_READ_PENDING flag is established. Signed-off-by: Tadashi Miyauchi <miyauchi@toshiba-tops.co.jp> Signed-off-by: Tsutomu Owa <tsutomu.owa@toshiba.co.jp> Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/lowcomms.c')
-rw-r--r--fs/dlm/lowcomms.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 5d0de91adc36..c64e39f76ce8 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -593,10 +593,14 @@ static void close_connection(struct connection *con, bool and_other,
{
bool closing = test_and_set_bit(CF_CLOSING, &con->flags);
- if (tx && !closing && cancel_work_sync(&con->swork))
+ if (tx && !closing && cancel_work_sync(&con->swork)) {
log_print("canceled swork for node %d", con->nodeid);
- if (rx && !closing && cancel_work_sync(&con->rwork))
+ clear_bit(CF_WRITE_PENDING, &con->flags);
+ }
+ if (rx && !closing && cancel_work_sync(&con->rwork)) {
log_print("canceled rwork for node %d", con->nodeid);
+ clear_bit(CF_READ_PENDING, &con->flags);
+ }
mutex_lock(&con->sock_mutex);
if (con->sock) {

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