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Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c24
1 files changed, 17 insertions, 7 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 251dc44d84a0..2e8f90f96540 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -604,10 +604,20 @@ static void __register_request(struct ceph_mds_client *mdsc,
struct ceph_mds_request *req,
struct inode *dir)
{
+ int ret = 0;
+
req->r_tid = ++mdsc->last_tid;
- if (req->r_num_caps)
- ceph_reserve_caps(mdsc, &req->r_caps_reservation,
- req->r_num_caps);
+ if (req->r_num_caps) {
+ ret = ceph_reserve_caps(mdsc, &req->r_caps_reservation,
+ req->r_num_caps);
+ if (ret < 0) {
+ pr_err("__register_request %p "
+ "failed to reserve caps: %d\n", req, ret);
+ /* set req->r_err to fail early from __do_request */
+ req->r_err = ret;
+ return;
+ }
+ }
dout("__register_request %p tid %lld\n", req, req->r_tid);
ceph_mdsc_get_request(req);
insert_request(&mdsc->request_tree, req);
@@ -1545,9 +1555,9 @@ out:
/*
* Trim session cap count down to some max number.
*/
-static int trim_caps(struct ceph_mds_client *mdsc,
- struct ceph_mds_session *session,
- int max_caps)
+int ceph_trim_caps(struct ceph_mds_client *mdsc,
+ struct ceph_mds_session *session,
+ int max_caps)
{
int trim_caps = session->s_nr_caps - max_caps;
@@ -2776,7 +2786,7 @@ static void handle_session(struct ceph_mds_session *session,
break;
case CEPH_SESSION_RECALL_STATE:
- trim_caps(mdsc, session, le32_to_cpu(h->max_caps));
+ ceph_trim_caps(mdsc, session, le32_to_cpu(h->max_caps));
break;
case CEPH_SESSION_FLUSHMSG: