liblustre: forgot to commit last night: workaround O_WRONLY (b2282)

diff --git a/lustre/liblustre/namei.c b/lustre/liblustre/namei.c
index ad597d0..3ac2399 100644 (file)
--- a/lustre/liblustre/namei.c
+++ b/lustre/liblustre/namei.c
@@ -538,6 +538,18 @@ translate_lookup_intent(struct intent *intent, const char *path)
 
         it->it_flags = intent->int_arg2 ? *((int*)intent->int_arg2) : 0;
 
+        /* FIXME when use open(O_WRONLY) to create a file, MDS will
+         * delay the object creation on OST, thus no lsm will be returned.
+         * if call write() at the time, ll_extent_lock() will failed out
+         * because there will be no strip MD supplied. but O_RDWR will
+         * work fine. Here we forcely set the O_RDWR in this case, find
+         * a real fix later!  FIXME
+         */
+        if (it->it_flags & O_WRONLY) {
+                it->it_flags &= ~O_WRONLY;
+                it->it_flags |= O_RDWR;
+        }
+
         if (intent->int_opmask & INT_OPEN)
                 it->it_op |= IT_OPEN;
         /*