diff options
Diffstat (limited to 'cmds-fi-du.c')
| -rw-r--r-- | cmds-fi-du.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/cmds-fi-du.c b/cmds-fi-du.c index a5b66e6f..895c242e 100644 --- a/cmds-fi-du.c +++ b/cmds-fi-du.c @@ -27,8 +27,13 @@ #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" @@ -546,6 +551,7 @@ int cmd_filesystem_du(int argc, char **argv) { int ret = 0, err = 0; int i; + u32 kernel_version; unit_mode = get_unit_mode_from_arg(&argc, argv, 1); @@ -570,6 +576,14 @@ int cmd_filesystem_du(int argc, char **argv) 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"); |