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-rw-r--r--fs/ceph/messenger.c8
-rw-r--r--fs/ceph/messenger.h1
-rw-r--r--fs/ceph/osd_client.c15
3 files changed, 23 insertions, 1 deletions
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index 9832855..a32f0f8 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -366,6 +366,14 @@ void ceph_con_open(struct ceph_connection *con, struct ceph_entity_addr *addr)
}
/*
+ * return true if this connection ever successfully opened
+ */
+bool ceph_con_opened(struct ceph_connection *con)
+{
+ return con->connect_seq > 0;
+}
+
+/*
* generic get/put
*/
struct ceph_connection *ceph_con_get(struct ceph_connection *con)
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 4caaa59..a343dae 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -223,6 +223,7 @@ extern void ceph_con_init(struct ceph_messenger *msgr,
struct ceph_connection *con);
extern void ceph_con_open(struct ceph_connection *con,
struct ceph_entity_addr *addr);
+extern bool ceph_con_opened(struct ceph_connection *con);
extern void ceph_con_close(struct ceph_connection *con);
extern void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg);
extern void ceph_con_revoke(struct ceph_connection *con, struct ceph_msg *msg);
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
index 04359217..c7b4ded 100644
--- a/fs/ceph/osd_client.c
+++ b/fs/ceph/osd_client.c
@@ -413,11 +413,22 @@ static void remove_old_osds(struct ceph_osd_client *osdc, int remove_all)
*/
static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
{
+ struct ceph_osd_request *req;
int ret = 0;
dout("__reset_osd %p osd%d\n", osd, osd->o_osd);
if (list_empty(&osd->o_requests)) {
__remove_osd(osdc, osd);
+ } else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd],
+ &osd->o_con.peer_addr,
+ sizeof(osd->o_con.peer_addr)) == 0 &&
+ !ceph_con_opened(&osd->o_con)) {
+ dout(" osd addr hasn't changed and connection never opened,"
+ " letting msgr retry");
+ /* touch each r_stamp for handle_timeout()'s benfit */
+ list_for_each_entry(req, &osd->o_requests, r_osd_item)
+ req->r_stamp = jiffies;
+ ret = -EAGAIN;
} else {
ceph_con_close(&osd->o_con);
ceph_con_open(&osd->o_con, &osdc->osdmap->osd_addr[osd->o_osd]);
@@ -862,7 +873,9 @@ static int __kick_requests(struct ceph_osd_client *osdc,
dout("kick_requests osd%d\n", kickosd ? kickosd->o_osd : -1);
if (kickosd) {
- __reset_osd(osdc, kickosd);
+ err = __reset_osd(osdc, kickosd);
+ if (err == -EAGAIN)
+ return 1;
} else {
for (p = rb_first(&osdc->osds); p; p = n) {
struct ceph_osd *osd =
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