From 354e61013c00e7e05f4ac54b9f0a9cf87a18b677 Mon Sep 17 00:00:00 2001
From: shiqi <1454927420@qq.com>
Date: Wed, 12 Apr 2017 17:24:31 +0800
Subject: [PATCH] Bluestore :check if blob map returns success

Signed-off-by: shiqi <1454927420@qq.com>
---
 src/os/bluestore/BlueStore.cc | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 92afe79c9c08..12269b13757a 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -5997,6 +5997,7 @@ int BlueStore::_do_read(
             return r;
           return 0;
 	});
+        assert(r == 0);
     } else {
       // read the pieces
       for (auto& reg : p.second) {
@@ -6034,8 +6035,7 @@ int BlueStore::_do_read(
               return r;
             return 0;
 	  });
-        if (r < 0)
-          return r;
+	assert(r == 0);
 	assert(reg.bl.length() == r_len);
       }
     }
@@ -9353,12 +9353,13 @@ int BlueStore::_do_alloc_write(
 		 << l->length() << std::dec << " write via deferred" << dendl;
 	bluestore_deferred_op_t *op = _get_deferred_op(txc, o);
 	op->op = bluestore_deferred_op_t::OP_WRITE;
-	b->get_blob().map(
+	int r = b->get_blob().map(
 	  b_off, l->length(),
 	  [&](uint64_t offset, uint64_t length) {
 	    op->extents.emplace_back(bluestore_pextent_t(offset, length));
 	    return 0;
 	  });
+        assert(r == 0);
 	op->data = *l;
       } else {
 	b->get_blob().map_bl(
-- 
2.47.3