From: Matt Benjamin <mbenjamin@redhat.com>
Date: Tue, 17 Oct 2017 21:45:37 +0000 (-0400)
Subject: rgw_file: explicit NFSv3 open() emulation
X-Git-Tag: v12.2.2~53^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e58656005d681ee0e35a25b324321cfeea8c7b3a;p=ceph.git

rgw_file: explicit NFSv3 open() emulation

Expect RGW_OPEN_FLAG_V3 in rgw_write(), and if present, attempt
a stateless open inline.

Required by Ganesha v2.5 and later

Signed-off-by: Matt Benjamin <mbenjamin@redhat.com>
(cherry picked from commit 6ed23b4a0cea7e41b4743e27319737af693947ec)
---

diff --git a/src/rgw/rgw_file.cc b/src/rgw/rgw_file.cc
index e941ece9269..96d934a90b4 100644
--- a/src/rgw/rgw_file.cc
+++ b/src/rgw/rgw_file.cc
@@ -1894,8 +1894,14 @@ int rgw_write(struct rgw_fs *rgw_fs,
   if (! rgw_fh->is_file())
     return -EISDIR;
 
-  if (! rgw_fh->is_open())
-    return -EPERM;
+  if (! rgw_fh->is_open()) {
+    if (flags & RGW_OPEN_FLAG_V3) {
+      rc = rgw_fh->open(flags);
+      if (!! rc)
+	return rc;
+    } else
+      return -EPERM;
+  }
 
   rc = rgw_fh->write(offset, length, bytes_written, buffer);