From 0023c8843b1a40698b58dfdd4cf18f0734d94604 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 16 Sep 2010 15:50:50 -0700
Subject: [PATCH] osd: fix is_pool_snaps_mode() for empty pools

The data pool in particular has seq 0 and (initially) no removed snaps.  We
must not return true for that case, or else the OSD will use an empty
pool snap context and not the user/mds provided one.

Signed-off-by: Sage Weil <sage@newdream.net>
---
 src/osd/osd_types.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osd/osd_types.h b/src/osd/osd_types.h
index 4b1d8d5e151..e6bb7ae46f3 100644
--- a/src/osd/osd_types.h
+++ b/src/osd/osd_types.h
@@ -693,7 +693,7 @@ struct pg_pool_t {
    * we know which mode we're using based on whether removed_snaps is empty.
    */
   bool is_pool_snaps_mode() const {
-    return removed_snaps.empty();
+    return removed_snaps.empty() && get_snap_seq() > 0;
   }
 
   bool is_removed_snap(snapid_t s) const {