summaryrefslogtreecommitdiff
path: root/fs/ceph
diff options
context:
space:
mode:
authorXiubo Li <xiubli@redhat.com>2020-06-30 03:52:15 -0400
committerIlya Dryomov <idryomov@gmail.com>2020-08-03 11:05:10 +0200
commit3e699bd865527004773012da38febdf444fd5fa8 (patch)
tree5a988609c98ae54e7f0d90d7d63865d255ad39fd /fs/ceph
parent6e6f0f0116079d6be42080064fe7079283a507ed (diff)
ceph: add check_session_state() helper and make it global
And remove the unsed mdsc parameter to simplify the code. Signed-off-by: Xiubo Li <xiubli@redhat.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph')
-rw-r--r--fs/ceph/mds_client.c47
-rw-r--r--fs/ceph/mds_client.h3
2 files changed, 30 insertions, 20 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index a50497142e59..58c54d41aa40 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1785,8 +1785,7 @@ static void renewed_caps(struct ceph_mds_client *mdsc,
/*
* send a session close request
*/
-static int request_close_session(struct ceph_mds_client *mdsc,
- struct ceph_mds_session *session)
+static int request_close_session(struct ceph_mds_session *session)
{
struct ceph_msg *msg;
@@ -1809,7 +1808,7 @@ static int __close_session(struct ceph_mds_client *mdsc,
if (session->s_state >= CEPH_MDS_SESSION_CLOSING)
return 0;
session->s_state = CEPH_MDS_SESSION_CLOSING;
- return request_close_session(mdsc, session);
+ return request_close_session(session);
}
static bool drop_negative_children(struct dentry *dentry)
@@ -4263,6 +4262,29 @@ static void maybe_recover_session(struct ceph_mds_client *mdsc)
ceph_force_reconnect(fsc->sb);
}
+bool check_session_state(struct ceph_mds_session *s)
+{
+ if (s->s_state == CEPH_MDS_SESSION_CLOSING) {
+ dout("resending session close request for mds%d\n",
+ s->s_mds);
+ request_close_session(s);
+ return false;
+ }
+ if (s->s_ttl && time_after(jiffies, s->s_ttl)) {
+ if (s->s_state == CEPH_MDS_SESSION_OPEN) {
+ s->s_state = CEPH_MDS_SESSION_HUNG;
+ pr_info("mds%d hung\n", s->s_mds);
+ }
+ }
+ if (s->s_state == CEPH_MDS_SESSION_NEW ||
+ s->s_state == CEPH_MDS_SESSION_RESTARTING ||
+ s->s_state == CEPH_MDS_SESSION_REJECTED)
+ /* this mds is failed or recovering, just wait */
+ return false;
+
+ return true;
+}
+
/*
* delayed work -- periodically trim expired leases, renew caps with mds
*/
@@ -4294,23 +4316,8 @@ static void delayed_work(struct work_struct *work)
struct ceph_mds_session *s = __ceph_lookup_mds_session(mdsc, i);
if (!s)
continue;
- if (s->s_state == CEPH_MDS_SESSION_CLOSING) {
- dout("resending session close request for mds%d\n",
- s->s_mds);
- request_close_session(mdsc, s);
- ceph_put_mds_session(s);
- continue;
- }
- if (s->s_ttl && time_after(jiffies, s->s_ttl)) {
- if (s->s_state == CEPH_MDS_SESSION_OPEN) {
- s->s_state = CEPH_MDS_SESSION_HUNG;
- pr_info("mds%d hung\n", s->s_mds);
- }
- }
- if (s->s_state == CEPH_MDS_SESSION_NEW ||
- s->s_state == CEPH_MDS_SESSION_RESTARTING ||
- s->s_state == CEPH_MDS_SESSION_REJECTED) {
- /* this mds is failed or recovering, just wait */
+
+ if (!check_session_state(s)) {
ceph_put_mds_session(s);
continue;
}
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 5e0c4073a6be..6147ff0a1cdf 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -18,6 +18,7 @@
#include <linux/ceph/auth.h>
#include "metric.h"
+#include "super.h"
/* The first 8 bits are reserved for old ceph releases */
enum ceph_feature_type {
@@ -476,6 +477,8 @@ struct ceph_mds_client {
extern const char *ceph_mds_op_name(int op);
+extern bool check_session_state(struct ceph_mds_session *s);
+
extern struct ceph_mds_session *
__ceph_lookup_mds_session(struct ceph_mds_client *, int mds);