diff options
| author | Yan, Zheng <zyan@redhat.com> | 2015-10-27 12:18:00 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2015-11-03 01:36:48 +0300 |
| commit | 4c06ace81a60636dec358c288ef6aaf3aa6dc599 (patch) | |
| tree | 08b483ee257ddba892f29aec5310a6e741c197ed | |
| parent | cbf99a11fb14db0835acd79ecd7469d37e398660 (diff) | |
| download | linux-4c06ace81a60636dec358c288ef6aaf3aa6dc599.tar.xz | |
ceph: add request to i_unsafe_dirops when getting unsafe reply
Previously we add request to i_unsafe_dirops when registering
request. So ceph_fsync() also waits for imcomplete requests.
This is unnecessary, ceph_fsync() only needs to wait unsafe
requests.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
| -rw-r--r-- | fs/ceph/mds_client.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index a7a967abb49e..1e47a3d1d12f 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -633,13 +633,8 @@ static void __register_request(struct ceph_mds_client *mdsc, mdsc->oldest_tid = req->r_tid; if (dir) { - struct ceph_inode_info *ci = ceph_inode(dir); - ihold(dir); - spin_lock(&ci->i_unsafe_lock); req->r_unsafe_dir = dir; - list_add_tail(&req->r_unsafe_dir_item, &ci->i_unsafe_dirops); - spin_unlock(&ci->i_unsafe_lock); } } @@ -665,13 +660,14 @@ static void __unregister_request(struct ceph_mds_client *mdsc, rb_erase(&req->r_node, &mdsc->request_tree); RB_CLEAR_NODE(&req->r_node); - if (req->r_unsafe_dir) { + if (req->r_unsafe_dir && req->r_got_unsafe) { struct ceph_inode_info *ci = ceph_inode(req->r_unsafe_dir); - spin_lock(&ci->i_unsafe_lock); list_del_init(&req->r_unsafe_dir_item); spin_unlock(&ci->i_unsafe_lock); + } + if (req->r_unsafe_dir) { iput(req->r_unsafe_dir); req->r_unsafe_dir = NULL; } @@ -2484,6 +2480,14 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg) } else { req->r_got_unsafe = true; list_add_tail(&req->r_unsafe_item, &req->r_session->s_unsafe); + if (req->r_unsafe_dir) { + struct ceph_inode_info *ci = + ceph_inode(req->r_unsafe_dir); + spin_lock(&ci->i_unsafe_lock); + list_add_tail(&req->r_unsafe_dir_item, + &ci->i_unsafe_dirops); + spin_unlock(&ci->i_unsafe_lock); + } } dout("handle_reply tid %lld result %d\n", tid, result); |