libcom_err: deal with the fact that the Hurd error messages are not zero-based

[tools/e2fsprogs.git] / misc / tune2fs.c

diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 7d2d38d..301cf38 100644 (file)
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -1308,6 +1308,12 @@ mmp_error:
 
        if (FEATURE_ON(E2P_FEATURE_RO_INCOMPAT,
                       EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+               if (mount_flags & EXT2_MF_MOUNTED) {
+                       fputs(_("Cannot enable uninit_bg on a mounted "
+                               "filesystem!\n"), stderr);
+                       exit(1);
+               }
+
                /* Do not enable uninit_bg when metadata_csum enabled */
                if (ext2fs_has_feature_metadata_csum(fs->super))
                        ext2fs_clear_feature_gdt_csum(fs->super);
@@ -1317,6 +1323,12 @@ mmp_error:
 
        if (FEATURE_OFF(E2P_FEATURE_RO_INCOMPAT,
                        EXT4_FEATURE_RO_COMPAT_GDT_CSUM)) {
+               if (mount_flags & EXT2_MF_MOUNTED) {
+                       fputs(_("Cannot disable uninit_bg on a mounted "
+                               "filesystem!\n"), stderr);
+                       exit(1);
+               }
+
                err = disable_uninit_bg(fs,
                                EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
                if (err)