os/FileStore: print error to log on eio

when osd do backfillings, once read one file failed
osd will assert failed, and never up again.
so we need locate this file from log at level-0,
delete it manully,start osd and let backfill go again.

Signed-off-by: Ji Chen <insomnia@139.com>

diff --git a/src/os/filestore/FileStore.cc b/src/os/filestore/FileStore.cc
index 5cb73e7b01a3291b40ed321a7c0137c966bc192b..a927e441d9093819101dcafdeda298aaf0712bae 100644 (file)
--- a/src/os/filestore/FileStore.cc
+++ b/src/os/filestore/FileStore.cc
@@ -2959,7 +2959,10 @@ int FileStore::read(
   if (got < 0) {
     dout(10) << "FileStore::read(" << cid << "/" << oid << ") pread error: " << cpp_strerror(got) << dendl;
     lfn_close(fd);
-    assert(allow_eio || !m_filestore_fail_eio || got != -EIO);
+    if (!(allow_eio || !m_filestore_fail_eio || got != -EIO)) {
+      derr << "FileStore::read(" << cid << "/" << oid << ") pread error: " << cpp_strerror(got) << dendl;
+      assert(0 == "eio on pread");
+    }
     return got;
   }
   bptr.set_length(got);   // properly size the buffer