diff options
| author | Bobi Jam <[email protected]> | 2016-05-04 10:28:52 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2016-05-09 14:01:14 +0200 |
| commit | 1e5a6fa96689232faf92b2352dd4bb0fda28b37e (patch) | |
| tree | a81fe2af53e237fc588b429a1d68d48e7e03579f | |
| parent | 4096e645d85d575e7b6e699f470f5519c34fda5d (diff) | |
staging: lustre: nfs: don't panic NFS server if MDS fails to find FID
When MDS fails to retrive the parent's fid, we'd handle it without
crashing the NFS server.
Signed-off-by: Bobi Jam <[email protected]>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3952
Reviewed-on: http://review.whamcloud.com/8459
Reviewed-by: Fan Yong <[email protected]>
Reviewed-by: wangdi <[email protected]>
Reviewed-by: Oleg Drokin <[email protected]>
Signed-off-by: James Simmons <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/staging/lustre/lustre/llite/llite_nfs.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/staging/lustre/lustre/llite/llite_nfs.c b/drivers/staging/lustre/lustre/llite/llite_nfs.c index 61cb5ff2cc22..c1eef6198b25 100644 --- a/drivers/staging/lustre/lustre/llite/llite_nfs.c +++ b/drivers/staging/lustre/lustre/llite/llite_nfs.c @@ -322,11 +322,14 @@ static struct dentry *ll_get_parent(struct dentry *dchild) return ERR_PTR(rc); } body = req_capsule_server_get(&req->rq_pill, &RMF_MDT_BODY); - LASSERT(body->valid & OBD_MD_FLID); - - CDEBUG(D_INFO, "parent for " DFID " is " DFID "\n", - PFID(ll_inode2fid(dir)), PFID(&body->fid1)); - + /* + * LU-3952: MDT may lost the FID of its parent, we should not crash + * the NFS server, ll_iget_for_nfs() will handle the error. + */ + if (body->valid & OBD_MD_FLID) { + CDEBUG(D_INFO, "parent for " DFID " is " DFID "\n", + PFID(ll_inode2fid(dir)), PFID(&body->fid1)); + } result = ll_iget_for_nfs(dir->i_sb, &body->fid1, NULL); ptlrpc_req_finished(req); |