diff options
Diffstat (limited to 'fs/ceph')
| -rw-r--r-- | fs/ceph/dir.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 77eeb768f95a..0411dbb15815 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -670,14 +670,17 @@ int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry) /* * We created the item, then did a lookup, and found * it was already linked to another inode we already - * had in our cache (and thus got spliced). Link our - * dentry to that inode, but don't hash it, just in - * case the VFS wants to dereference it. + * had in our cache (and thus got spliced). To not + * confuse VFS (especially when inode is a directory), + * we don't link our dentry to that inode, return an + * error instead. + * + * This event should be rare and it happens only when + * we talk to old MDS. Recent MDS does not send traceless + * reply for request that creates new inode. */ - BUG_ON(!result->d_inode); - d_instantiate(dentry, result->d_inode); d_drop(result); - return 0; + return -ESTALE; } return PTR_ERR(result); } |