From: Sage Weil <sage@redhat.com>
Date: Tue, 9 Feb 2016 13:58:28 +0000 (-0500)
Subject: Merge pull request #7349 from yuyuyu101/add-pwritev
X-Git-Tag: v10.1.0~418
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a20134d94acb0225e9a013e42b293ce61a7b432f;p=ceph.git

Merge pull request #7349 from yuyuyu101/add-pwritev

osd: FileStore: use pwritev instead of lseek+writev

Reviewed-by: Kefu Chai <kchai@redhat.com>
Reviewed-by: Sage Weil <sage@redhat.com>
---

a20134d94acb0225e9a013e42b293ce61a7b432f
diff --cc CMakeLists.txt
index 096985e30ae7,8b8dbed8f66d..506d59c826f2
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@@ -42,9 -30,10 +42,10 @@@ include(CheckFunctionExists
  CHECK_FUNCTION_EXISTS(fallocate CEPH_HAVE_FALLOCATE)
  CHECK_FUNCTION_EXISTS(posix_fadvise HAVE_POSIX_FADVISE)
  CHECK_FUNCTION_EXISTS(posix_fallocate HAVE_POSIX_FALLOCATE)
 -CHECK_FUNCTION_EXISTS(syncfs HAVE_SYS_SYNCFS) 
 +CHECK_FUNCTION_EXISTS(syncfs HAVE_SYS_SYNCFS)
  CHECK_FUNCTION_EXISTS(sync_file_range HAVE_SYNC_FILE_RANGE)
  CHECK_FUNCTION_EXISTS(mallinfo HAVE_MALLINFO)
+ CHECK_FUNCTION_EXISTS(pwritev HAVE_PWRITEV)
  CHECK_INCLUDE_FILES("arpa/inet.h" HAVE_ARPA_INET_H)
  CHECK_INCLUDE_FILES("boost/random/discrete_distribution.hpp" HAVE_BOOST_RANDOM_DISCRETE_DISTRIBUTION)
  CHECK_INCLUDE_FILES("dirent.h" HAVE_DIRENT_H)