osd/ReplicatedPG: length 0 writes are allowed

From f1b6bd7988ab964c9167eff7bea51a49573f5175.

Signed-off-by: Sage Weil <sage@inktank.com>

diff --git a/src/osd/ReplicatedPG.cc b/src/osd/ReplicatedPG.cc
index ab8cfaee6d2b7918636c866ec83f28f3c70fb7e1..af59803c660f76bdf925bf55cfd95e44d70a7094 100644 (file)
--- a/src/osd/ReplicatedPG.cc
+++ b/src/osd/ReplicatedPG.cc
@@ -1955,9 +1955,6 @@ int ReplicatedPG::do_tmapup(OpContext *ctx, bufferlist::iterator& bp, OSDOp& osd
 
 static int check_offset_and_length(uint64_t offset, uint64_t length)
 {
-  if (length < 1)
-    return -EINVAL;
-
   if (offset >= g_conf->osd_max_object_size ||
       length > g_conf->osd_max_object_size ||
       offset + length > g_conf->osd_max_object_size)