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| author | Xiubo Li <xiubli@redhat.com> | 2019-12-20 01:44:09 +0100 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-01-27 16:53:40 +0100 |
| commit | 5b3248c6772459a0737afe0c85bb45ee3ba79eeb (patch) | |
| tree | f638b01f7a2358c80f39de61ff6fdb55b339a829 /fs/ceph/mds_client.h | |
| parent | ceph: remove the extra slashes in the server path (diff) | |
| download | linux-5b3248c6772459a0737afe0c85bb45ee3ba79eeb.tar.xz linux-5b3248c6772459a0737afe0c85bb45ee3ba79eeb.zip | |
ceph: rename get_session and switch to use ceph_get_mds_session
Just in case the session's refcount reach 0 and is releasing, and
if we get the session without checking it, we may encounter kernel
crash.
Rename get_session to ceph_get_mds_session and make it global.
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/mds_client.h')
| -rw-r--r-- | fs/ceph/mds_client.h | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index fe085e06adf5..c021df5f50ce 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -452,15 +452,10 @@ extern const char *ceph_mds_op_name(int op); extern struct ceph_mds_session * __ceph_lookup_mds_session(struct ceph_mds_client *, int mds); -static inline struct ceph_mds_session * -ceph_get_mds_session(struct ceph_mds_session *s) -{ - refcount_inc(&s->s_ref); - return s; -} - extern const char *ceph_session_state_name(int s); +extern struct ceph_mds_session * +ceph_get_mds_session(struct ceph_mds_session *s); extern void ceph_put_mds_session(struct ceph_mds_session *s); extern int ceph_send_msg_mds(struct ceph_mds_client *mdsc, |