diff options
| author | Jeff Layton <jlayton@kernel.org> | 2020-01-14 15:06:40 -0500 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-03-30 12:42:41 +0200 |
| commit | 891f3f5a6a0615a2ed93cc495b54d1a8121d0968 (patch) | |
| tree | e6b1a73c5b85b4603f5c328e97397265f84d3c6a /fs/ceph/mds_client.h | |
| parent | f5e17aed3accb406f51ae528d657c275efc1edfc (diff) | |
ceph: add infrastructure for waiting for async create to complete
When we issue an async create, we must ensure that any later on-the-wire
requests involving it wait for the create reply.
Expand i_ceph_flags to be an unsigned long, and add a new bit that
MDS requests can wait on. If the bit is set in the inode when sending
caps, then don't send it and just return that it has been delayed.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/mds_client.h')
| -rw-r--r-- | fs/ceph/mds_client.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index 95ac00e59e66..8043f2b439b1 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -538,4 +538,11 @@ extern void ceph_mdsc_open_export_target_sessions(struct ceph_mds_client *mdsc, extern int ceph_trim_caps(struct ceph_mds_client *mdsc, struct ceph_mds_session *session, int max_caps); +static inline int ceph_wait_on_async_create(struct inode *inode) +{ + struct ceph_inode_info *ci = ceph_inode(inode); + + return wait_on_bit(&ci->i_ceph_flags, CEPH_ASYNC_CREATE_BIT, + TASK_INTERRUPTIBLE); +} #endif |