Use HAVE_FSYNC, we bothered to test for it.
treefa9506cf12bfdae6986d91c2f3bceaaf643adc47
lrwxrwxrwx 10 .bzrignore -> .gitignore
-rw-r--r-- 4012 .gitignore
-rw-r--r-- 146 .testr.conf
-rw-r--r-- 4517 BUILD_SYSTEMS.txt
-rw-r--r-- 35147 COPYING
-rw-r--r-- 8580 MAINTAINERS.txt
-rw-r--r-- 1082 Makefile
-rw-r--r-- 188 PFIF.txt
-rw-r--r-- 7810 README
-rw-r--r-- 9469 README.Coding
-rw-r--r-- 270 README.cifs-utils
-rw-r--r-- 5068 README.contributing
-rw-r--r-- 305 README.packaging4
-rw-r--r-- 935 Roadmap
-rw-r--r-- 6290 VERSION
-rw-r--r-- 8334 WHATSNEW.txt
drwxr-xr-x - auth
drwxr-xr-x - buildtools
-rw-r--r-- 149 callcatcher-exceptions.grep
drwxr-xr-x - codepages
-rwxr-xr-x 243 configure
-rwxr-xr-x 117 configure.developer
drwxr-xr-x - ctdb
drwxr-xr-x - dfs_server
drwxr-xr-x - docs-xml
drwxr-xr-x - dynconfig
drwxr-xr-x - examples
drwxr-xr-x - file_server
-rw-r--r-- 139 howto4.txt
drwxr-xr-x - include
-rw-r--r-- 947 install_with_python.sh
drwxr-xr-x - lib
drwxr-xr-x - libcli
drwxr-xr-x - libds
drwxr-xr-x - libgpo
drwxr-xr-x - librpc
drwxr-xr-x - m4
-rw-r--r-- 262 merged-branches.txt
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-rw-r--r-- 30193 prog_guide4.txt
drwxr-xr-x - release-scripts
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drwxr-xr-x - selftest
drwxr-xr-x - source3
drwxr-xr-x - source4
drwxr-xr-x - swat
drwxr-xr-x - testdata
drwxr-xr-x - testprogs
drwxr-xr-x - tests
drwxr-xr-x - testsuite
-rw-r--r-- 1172 upgrading-samba4.txt
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drwxr-xr-x - wintest
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-rw-r--r-- 122 wscript_build_system_heimdal
-rw-r--r-- 126 wscript_build_system_mitkrb5
-rw-r--r-- 10901 wscript_configure_system_mitkrb5