lttng-tools: bump version to 2.2.0

Make sync_file_range() usage optional

Under uClibc, sync_file_range() is not available under all

architectures, so we fall back to fdatasync() in this case.

Inspired by the patch done by Thomas Petazzoni for the

2.0-pre25 version.

Signed-off-by: Samuel Martin <s.martin49@gmail.com>

---

 configure.ac              |    2 +-

 src/common/compat/fcntl.h |    5 +++++

 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac

index 5808c79..065b9cf 100644

--- a/configure.ac

+++ b/configure.ac

@@ -150,7 +150,7 @@ AS_IF([test "x$lttng_ust_support" = "xyes"], [

 	)

 ])

 AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [test "x$lttng_ust_ctl_found" = xyes])

-AC_CHECK_FUNCS([sched_getcpu sysconf])

+AC_CHECK_FUNCS([sched_getcpu sysconf sync_file_range])

 # check for dlopen

 AC_CHECK_LIB([dl], [dlopen],

@@ -394,4 +394,3 @@ AS_IF([test "x$consumerd_only" = "xno"],[

 ])

 AS_ECHO()

-

diff --git a/src/common/compat/compat-fcntl.c b/src/common/compat/compat-fcntl.c

index 5a1c757..7ff63a3 100644

--- a/src/common/compat/compat-fcntl.c

+++ b/src/common/compat/compat-fcntl.c

@@ -23,7 +23,11 @@

 int compat_sync_file_range(int fd, off64_t offset, off64_t nbytes,

 		unsigned int flags)

 {

+#ifdef HAVE_SYNC_FILE_RANGE

 	return sync_file_range(fd, offset, nbytes, flags);

+#else

+	return fdatasync(fd);

+#endif

 }

 #endif /* __linux__ */

-- 

1.8.0.3

#

################################################################################

LTTNG_TOOLS_VERSION = 2.1.1

LTTNG_TOOLS_VERSION = 2.2.0

LTTNG_TOOLS_SITE    = http://lttng.org/files/lttng-tools/

LTTNG_TOOLS_SOURCE  = lttng-tools-$(LTTNG_TOOLS_VERSION).tar.bz2