diff options
| author | Yan, Zheng <zheng.z.yan@intel.com> | 2014-03-08 09:51:45 +0800 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2014-04-04 21:07:05 -0700 |
| commit | a255060451dcb416c8097218b40d86d613d84bfc (patch) | |
| tree | c3dc990fc565b01d586041093d007e4493c2a7f4 /fs/ceph/caps.c | |
| parent | c137a32a408af7a5635f3d0c5ddd34d270af9a3b (diff) | |
ceph: make sure write caps are registered with auth MDS
Only auth MDS can issue write caps to clients, so don't consider
write caps registered with non-auth MDS as valid.
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
Diffstat (limited to 'fs/ceph/caps.c')
| -rw-r--r-- | fs/ceph/caps.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 17543383545c..d9ef44e5474e 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -885,7 +885,10 @@ int __ceph_caps_mds_wanted(struct ceph_inode_info *ci) cap = rb_entry(p, struct ceph_cap, ci_node); if (!__cap_is_valid(cap)) continue; - mds_wanted |= cap->mds_wanted; + if (cap == ci->i_auth_cap) + mds_wanted |= cap->mds_wanted; + else + mds_wanted |= (cap->mds_wanted & ~CEPH_CAP_ANY_FILE_WR); } return mds_wanted; } |