build: Move fallocate include into global.h

Move the inclusion of falloc.h with all it's possible defines for the
fallocate mode into global.h header file so we do not have to include
and define it manually in every tool using fallocate.

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

ltp/fsx.c

@@ -33,9 +33,6 @@
 #ifdef AIO
 #include <libaio.h>
 #endif
-#ifdef FALLOCATE
-#include <linux/falloc.h>
-#endif
 
 #ifndef MAP_FILE
 # define MAP_FILE 0
@@ -882,7 +879,7 @@ do_punch_hole(unsigned offset, unsigned length)
 }
 #endif
 
-#ifdef FALLOCATE
+#ifdef HAVE_LINUX_FALLOC_H
 /* fallocate is basically a no-op unless extending, then a lot like a truncate */
 void
 do_preallocate(unsigned offset, unsigned length)
@@ -1139,7 +1136,7 @@ usage(void)
 "	-A: Use the AIO system calls\n"
 #endif
 "	-D startingop: debug output starting at specified operation\n"
-#ifdef FALLOCATE
+#ifdef HAVE_LINUX_FALLOC_H
 "	-F: Do not use fallocate (preallocation) calls\n"
 #endif
 #ifdef FALLOC_FL_PUNCH_HOLE
@@ -1296,7 +1293,7 @@ int aio_rw(int rw, int fd, char *buf, unsigned len, unsigned offset)
 void
 test_fallocate()
 {
-#ifdef FALLOCATE
+#ifdef HAVE_LINUX_FALLOC_H
 	if (!lite && fallocate_calls) {
 		if (fallocate(fd, 0, 0, 1) && errno == EOPNOTSUPP) {
 			if(!quiet)
@@ -1306,7 +1303,7 @@ test_fallocate()
 			ftruncate(fd, 0);
 		}
 	}
-#else /* ! FALLOCATE */
+#else /* ! HAVE_LINUX_FALLOC_H */
 	fallocate_calls = 0;
 #endif