From: Sage Weil <sage@redhat.com>
Date: Wed, 10 Feb 2016 22:51:18 +0000 (-0500)
Subject: buffer: alloc right-sized buffer from read_fd
X-Git-Tag: v10.1.0~245^2~4
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=ce3e5a334798a6eff8b4cb99d99b6efc00531f97;p=ceph-ci.git

buffer: alloc right-sized buffer from read_fd

This may as well fit the input; this doesn't relate to the
append buffer.

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

diff --git a/src/common/buffer.cc b/src/common/buffer.cc
index b42f72685bc..188ef72af24 100644
--- a/src/common/buffer.cc
+++ b/src/common/buffer.cc
@@ -2012,8 +2012,7 @@ ssize_t buffer::list::read_fd(int fd, size_t len)
     // available for raw_pipe until we actually inspect the data
     return 0;
   }
-  int s = ROUND_UP_TO(len, CEPH_BUFFER_APPEND_SIZE);
-  bufferptr bp = buffer::create_aligned(s, CEPH_BUFFER_APPEND_SIZE);
+  bufferptr bp = buffer::create(len);
   ssize_t ret = safe_read(fd, (void*)bp.c_str(), len);
   if (ret >= 0) {
     bp.set_length(ret);