diff options
| author | Yan, Zheng <zyan@redhat.com> | 2016-07-05 21:08:07 +0800 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2016-07-28 03:00:44 +0200 |
| commit | ed9b430c9ba99e70e8ddd7e08429c4c2a620ba74 (patch) | |
| tree | 01af2d3659aeb5635b9e5644319bed8f9aee7aac /fs/ceph/super.h | |
| parent | 7bc00fddb9de7f78f742bc24d95e15abde15c078 (diff) | |
ceph: cleanup ceph_flush_snaps()
This patch devide __ceph_flush_snaps() into two stags. In the first
stage, __ceph_flush_snaps() assign snapcaps flush TIDs and add them
to cap flush lists. __ceph_flush_snaps() keeps holding the
i_ceph_lock in this stagge. So inode's auth cap can not change. In
the second stage, __ceph_flush_snaps() send flushsnap cap messages.
i_ceph_lock is unlocked before sending each cap message. If auth cap
changes in the middle, __ceph_flush_snaps() just stops. This is OK
because kick_flushing_inode_caps() will re-send flushsnap cap messages
to inode's new auth MDS.
Signed-off-by: Yan, Zheng <zyan@redhat.com>
Diffstat (limited to 'fs/ceph/super.h')
| -rw-r--r-- | fs/ceph/super.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 63fdb57606fe..b097d474f888 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -890,8 +890,8 @@ extern void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps); extern void ceph_put_cap_refs(struct ceph_inode_info *ci, int had); extern void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr, struct ceph_snap_context *snapc); -extern void __ceph_flush_snaps(struct ceph_inode_info *ci, - struct ceph_mds_session **psession); +extern void ceph_flush_snaps(struct ceph_inode_info *ci, + struct ceph_mds_session **psession); extern void ceph_check_caps(struct ceph_inode_info *ci, int flags, struct ceph_mds_session *session); extern void ceph_check_delayed_caps(struct ceph_mds_client *mdsc); |