X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=helpers.c;h=ab9d706da87935870ce3784b4d4fedafc2f2db48;hb=941e3356a7edde556ffd81c9767ded218de20a50;hp=987f5b683bb08c0014fb17eae1b1099b3754f722;hpb=ed80ddf66943dc2654a92eb77b57c3d68613e9d6;p=fio.git

diff --git a/helpers.c b/helpers.c
index 987f5b68..ab9d706d 100644
--- a/helpers.c
+++ b/helpers.c
@@ -1,15 +1,34 @@
-#include <malloc.h>
-#include <stdlib.h>
+#include <errno.h>
 
-#include "compiler/compiler.h"
+#include "helpers.h"
 
-int __weak posix_memalign(void **ptr, size_t align, size_t size)
+#ifndef CONFIG_LINUX_FALLOCATE
+int fallocate(int fd, int mode, off_t offset, off_t len)
 {
-	*ptr = memalign(align, size);
-	return *ptr == NULL;
+	errno = ENOSYS;
+	return -1;
 }
+#endif
 
-int __weak posix_fallocate(int fd, off_t offset, off_t len)
+#ifndef CONFIG_POSIX_FALLOCATE
+int posix_fallocate(int fd, off_t offset, off_t len)
 {
 	return 0;
 }
+#endif
+
+#ifndef CONFIG_SYNC_FILE_RANGE
+int sync_file_range(int fd, uint64_t offset, uint64_t nbytes,
+		    unsigned int flags)
+{
+	errno = ENOSYS;
+	return -1;
+}
+#endif
+
+#ifndef CONFIG_POSIX_FADVISE
+int posix_fadvise(int fd, off_t offset, off_t len, int advice)
+{
+	return 0;
+}
+#endif