If the default group is not modified, don't set the superblock
dirty bit.
Similar to commit 2eb3b20e80, it speeds up `tunefs -g` command when
the group argument is identical.
---
misc/tune2fs.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 8ae13705..facc8dc9 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -3382,9 +3382,13 @@ _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
printf(_("Setting error behavior to %d\n"), errors);
}
if (g_flag) {
- sb->s_def_resgid = resgid;
- ext2fs_mark_super_dirty(fs);
- printf(_("Setting reserved blocks gid to %lu\n"), resgid);
+ if (sb->s_def_resgid != resgid) {
+ sb->s_def_resgid = resgid;
+ ext2fs_mark_super_dirty(fs);
+ printf(_("Setting reserved blocks gid to %lu\n"), resgid);
+ } else {
+ printf(_("Reserved blocks gid already set to %lu\n"), resgid);
+ }
}
if (i_flag) {
if ((unsigned long long)interval >= (1ULL << 32)) {
--
2.45.2.1089.g2a221341d9-goog
