Sorry, just found out that I messed up this patch...
----------------------------------------
add force flag to tune2fs -I, because it may cause data corruption when
the last inode table block is followed by a in-use data block. If user
really want to tune the inode size, they should be warned about this.
Signed-off-by: Peng Tao <bergwolf@xxxxxxxxx>
---
misc/tune2fs.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index 453a529..7308773 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -1598,6 +1598,12 @@ retry_open:
ext2fs_mark_super_dirty(fs);
}
if (I_flag) {
+ if (f_flag) {
+ fputs(_("Enlarging inode size may cause data "
+ "corruption.\nUse with -f at your warranty. "
+ "Abort.\n"), stderr);
+ exit(1);
+ }
if (mount_flags & EXT2_MF_MOUNTED) {
fputs(_("The inode size may only be "
"changed when the filesystem is "
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