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| /openbmc/linux/fs/jffs2/ |
| H A D | super.c | 08cd274f Wed Oct 14 01:54:42 CDT 2020 lizhe <lizhe67@huawei.com> jffs2: Fix ignoring mounting options problem during remounting
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.
By the way, I notice that tmpfs use the same way to update remounting
options. If it is necessary to unify them?
Cc: <stable@vger.kernel.org>
Fixes: ec10a24f10c8 ("vfs: Convert jffs2 to use the new mount API")
Signed-off-by: lizhe <lizhe67@huawei.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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