From: Yan, Zheng <zyan@redhat.com>
Date: Fri, 22 Nov 2019 03:10:23 +0000 (+0800)
Subject: client: add debug output for ll_read result
X-Git-Tag: v15.2.5~24^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=15a978346f3511d498bf75f047d8d53b61b2bef1;p=ceph.git

client: add debug output for ll_read result

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
(cherry picked from commit 30dd9d2834b561ab7b0b4785e8e45094098725ae)
---

diff --git a/src/client/Client.cc b/src/client/Client.cc
index ae6385c47c9..5df9abbc150 100644
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -13384,7 +13384,10 @@ int Client::ll_read(Fh *fh, loff_t off, loff_t len, bufferlist *bl)
 
   /* We can't return bytes written larger than INT_MAX, clamp len to that */
   len = std::min(len, (loff_t)INT_MAX);
-  return _read(fh, off, len, bl);
+  int r = _read(fh, off, len, bl);
+  ldout(cct, 3) << "ll_read " << fh << " " << off << "~" << len << " = " << r
+		<< dendl;
+  return r;
 }
 
 int Client::ll_read_block(Inode *in, uint64_t blockid,