+++ /dev/null
-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
-