From: Sage Weil <sage@redhat.com>
Date: Tue, 20 Jun 2017 02:57:43 +0000 (-0400)
Subject: os/bluestore: fix unsharing blob dirty_range args
X-Git-Tag: v12.1.0~38^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6e83cfecfbd0d4ffe4657146ad72bba2b5d4a43e;p=ceph.git

os/bluestore: fix unsharing blob dirty_range args

Fixes: http://tracker.ceph.com/issues/20227
Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 2d3479966221..498c8bb50df4 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -10353,7 +10353,7 @@ int BlueStore::_do_remove(
           if (b.is_shared() &&
               std::find(unshared_blobs.begin(), unshared_blobs.end(),
                         sb) != unshared_blobs.end()) {
-            dout(20) << __func__ << "  " << e << dendl;
+            dout(20) << __func__ << "  unsharing " << e << dendl;
             bluestore_blob_t& blob = e.blob->dirty_blob();
             blob.clear_flag(bluestore_blob_t::FLAG_SHARED);
             if (e.logical_offset < b_start) {
@@ -10365,7 +10365,7 @@ int BlueStore::_do_remove(
           }
         }
 
-	h->extent_map.dirty_range(b_start, b_end);
+	h->extent_map.dirty_range(b_start, b_end - b_start);
 	txc->write_onode(h);
       }
     }