os/bluestore: assert from access violation

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 61b94fc6951662c9171e15de648ecf6decd90240..e22dd0e720eb7960735daee1befa951c6b21b512 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -1725,6 +1725,7 @@ void BlueStore::ExtentMap::reshard(Onode *o, uint64_t min_alloc_size)
       dout(30) << " extent " << e << dendl;
       while (e.logical_offset >= shard_end) {
        shard_start = shard_end;
+       assert(sp != esp);
        ++sp;
        if (sp == esp) {
          shard_end = OBJECT_MAX_SIZE;