#include <sys/ioctl.h>
#include <linux/fs.h>
+#include <linux/version.h>
#include <linux/fiemap.h>
+#if !defined(FIEMAP_EXTENT_SHARED) && (HAVE_OWN_FIEMAP_EXTENT_SHARED_DEFINE == 1)
+#define FIEMAP_EXTENT_SHARED 0x00002000
+#endif
+
#include "utils.h"
#include "commands.h"
#include "kerncompat.h"
else if (cmp > 0)
p = &(*p)->rb_right;
else
- BUG();
+ return -EEXIST;
}
si = calloc(1, sizeof(*si));
{
int ret = 0, err = 0;
int i;
+ u32 kernel_version;
unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
if (check_argc_min(argc - optind, 1))
usage(cmd_filesystem_du_usage);
+ kernel_version = get_running_kernel_version();
+
+ if (kernel_version < KERNEL_VERSION(2,6,33)) {
+ warning(
+"old kernel version detected, shared space will be reported as exclusive\n"
+"due to missing support for FIEMAP_EXTENT_SHARED flag");
+ }
+
printf("%10s %10s %10s %s\n", "Total", "Exclusive", "Set shared",
"Filename");