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ceph: drop messages on unregistered mds sessions; cleanup

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Verify the mds session is currently registered before handling
incoming messages.  Clean up message handlers to pull mds out
of session->s_mds instead of less trustworthy src field.

Clean up con_{get,put} debug output.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil
2010-02-22 15:12:16 -08:00
parent a6369741c4
commit 2600d2dd50
4 changed files with 46 additions and 59 deletions
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fs/ceph/super.h
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@@ -707,6 +707,7 @@ extern void ceph_put_snap_realm(struct ceph_mds_client *mdsc,
extern int ceph_update_snap_trace(struct ceph_mds_client *m,
void *p, void *e, bool deletion);
extern void ceph_handle_snap(struct ceph_mds_client *mdsc,
struct ceph_mds_session *session,
struct ceph_msg *msg);
extern void ceph_queue_cap_snap(struct ceph_inode_info *ci,
struct ceph_snap_context *snapc);