please ignore the patch.
sorry for that.
On 2023/3/20 13:03, Zhiqiang Liu wrote:
> From: Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx>
>
> For changing inode size (-I) and setting quota fearture (-Q), tune2fs
> only check whether the filesystem is umounted. Considering mount
> namepspaces, the filesystem is umounted, however it already be left
> in other mount namespace.
> So we add one check whether the filesystem is not in use with using
> EXT2_MF_BUSY flag, which can indicate the device is already opened
> with O_EXCL, as suggested by Ted.
>
> Reported-by: Baokun Li <libaokun1@xxxxxxxxxx>
> Signed-off-by: Zhiqiang Liu <liuzhiqiang26@xxxxxxxxxx>
> Signed-off-by: zhanchengbin <zhanchengbin1@xxxxxxxxxx>
> ---
> misc/tune2fs.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/misc/tune2fs.c b/misc/tune2fs.c
> index 458f7cf6..d75f4d94 100644
> --- a/misc/tune2fs.c
> +++ b/misc/tune2fs.c
> @@ -3520,9 +3520,9 @@ _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
> }
>
> if (Q_flag) {
> - if (mount_flags & EXT2_MF_MOUNTED) {
> + if (mount_flags & (EXT2_MF_BUSY | EXT2_MF_MOUNTED)) {
> fputs(_("The quota feature may only be changed when "
> - "the filesystem is unmounted.\n"), stderr);
> + "the filesystem is unmounted and not in use.\n"), stderr);
> rc = 1;
> goto closefs;
> }
> @@ -3673,10 +3673,10 @@ _("Warning: The journal is dirty. You may wish to replay the journal like:\n\n"
> }
>
> if (I_flag) {
> - if (mount_flags & EXT2_MF_MOUNTED) {
> + if (mount_flags & (EXT2_MF_BUSY | EXT2_MF_MOUNTED)) {
> fputs(_("The inode size may only be "
> "changed when the filesystem is "
> - "unmounted.\n"), stderr);
> + "unmounted and not in use.\n"), stderr);
> rc = 1;
> goto closefs;
> }
>
