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authorIlya Dryomov <ilya.dryomov@inktank.com>2014-06-24 16:21:45 +0400
committerIlya Dryomov <ilya.dryomov@inktank.com>2014-07-08 15:08:46 +0400
commit37ab77ac29b5bdec029a66f6d6eb4756679c7e12 (patch)
treed15583728ccf00d4df97dd937de6460038882a6d /net/ceph
parent2d05f082cbc73b837011225b165d64d25b47c940 (diff)
downloadlinux-37ab77ac29b5bdec029a66f6d6eb4756679c7e12.tar.bz2
libceph: drop osd ref when canceling con work
queue_con() bumps osd ref count. We should do the reverse when canceling con work. Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com> Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/messenger.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 8bffa5b90fef..e51cad0db580 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -174,6 +174,7 @@ static struct lock_class_key socket_class;
#define SKIP_BUF_SIZE 1024
static void queue_con(struct ceph_connection *con);
+static void cancel_con(struct ceph_connection *con);
static void con_work(struct work_struct *);
static void con_fault(struct ceph_connection *con);
@@ -680,7 +681,7 @@ void ceph_con_close(struct ceph_connection *con)
reset_connection(con);
con->peer_global_seq = 0;
- cancel_delayed_work(&con->work);
+ cancel_con(con);
con_close_socket(con);
mutex_unlock(&con->mutex);
}
@@ -2667,19 +2668,16 @@ static int queue_con_delay(struct ceph_connection *con, unsigned long delay)
{
if (!con->ops->get(con)) {
dout("%s %p ref count 0\n", __func__, con);
-
return -ENOENT;
}
if (!queue_delayed_work(ceph_msgr_wq, &con->work, delay)) {
dout("%s %p - already queued\n", __func__, con);
con->ops->put(con);
-
return -EBUSY;
}
dout("%s %p %lu\n", __func__, con, delay);
-
return 0;
}
@@ -2688,6 +2686,14 @@ static void queue_con(struct ceph_connection *con)
(void) queue_con_delay(con, 0);
}
+static void cancel_con(struct ceph_connection *con)
+{
+ if (cancel_delayed_work(&con->work)) {
+ dout("%s %p\n", __func__, con);
+ con->ops->put(con);
+ }
+}
+
static bool con_sock_closed(struct ceph_connection *con)
{
if (!con_flag_test_and_clear(con, CON_FLAG_SOCK_CLOSED))