LU-3544 fid: do open-by-fid by default

[fs/lustre-release.git] / lustre / mdt / mdt_open.c

diff --git a/lustre/mdt/mdt_open.c b/lustre/mdt/mdt_open.c
index 6a2d5ea..d35526e 100644 (file)
--- a/lustre/mdt/mdt_open.c
+++ b/lustre/mdt/mdt_open.c
@@ -1665,23 +1665,16 @@ int mdt_reint_open(struct mdt_thread_info *info, struct mdt_lock_handle *lhc)
                        GOTO(out, result = -EFAULT);
                }
                CDEBUG(D_INFO, "No object(1), continue as regular open.\n");
-       } else if ((!lu_name_is_valid(&rr->rr_name) &&
-                   (create_flags & MDS_OPEN_LOCK)) ||
-                  (create_flags & MDS_OPEN_BY_FID)) {
+       } else if (create_flags & (MDS_OPEN_BY_FID | MDS_OPEN_LOCK)) {
+               /*
+                * MDS_OPEN_LOCK is checked for backward compatibility with 2.1
+                * client.
+                */
                result = mdt_open_by_fid_lock(info, ldlm_rep, lhc);
-               /* If result is 0 then open by FID has found the file
-                * and there is nothing left for us to do here.  More
-                * generally if it is anything other than -ENOENT or
-                * -EREMOTE then we return that now.  If -ENOENT and
-                * MDS_OPEN_CREAT is set then we must create the file
-                * below.  If -EREMOTE then we need to return a LOOKUP
-                * lock to the client, which we do below.  Hence this
-                * odd looking condition.  See LU-2523. */
-               if (!(result == -ENOENT && (create_flags & MDS_OPEN_CREAT)) &&
-                   result != -EREMOTE)
-                       GOTO(out, result);
-
-               CDEBUG(D_INFO, "No object(2), continue as regular open.\n");
+               if (result < 0)
+                       CDEBUG(D_INFO, "no object for "DFID": %d\n",
+                              PFID(rr->rr_fid2), result);
+               GOTO(out, result);
        }
 
         if (OBD_FAIL_CHECK(OBD_FAIL_MDS_OPEN_PACK))