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SubjectRe: [PATCH 1/2] jffs2: fix ignoring mounting options problem during remounting
On Wed, Oct 14, 2020 at 9:01 AM Zhe Li <lizhe67@huawei.com> wrote:
>
> From: lizhe <lizhe67@huawei.com>
>
> The jffs2 mount options will be ignored when remounting jffs2.
> It can be easily reproduced with the steps listed below.
> 1. mount -t jffs2 -o compr=none /dev/mtdblockx /mnt
> 2. mount -o remount compr=zlib /mnt
>
> Since ec10a24f10c8, the option parsing happens before fill_super and
> then pass fc, which contains the options parsing results, to function
> jffs2_reconfigure during remounting. But function jffs2_reconfigure do
> not update c->mount_opts.
>
> This patch add a function jffs2_update_mount_opts to fix this problem.

Oh, a regression. Thanks for fixing.

> By the way, I notice that tmpfs use the same way to update remounting
> options. If it is necessary to unify them?

If possible, sure. Maybe you can find a way to put the logic into fs/libfs.c

--
Thanks,
//richard

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