staging: erofs: option validation in remount

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Add option validation in remount. After this patch, remount
can change recognized options, and for unknown options remount
will fail and report error.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Chengguang Xu 2018-09-19 22:53:46 +08:00 • committed by Greg Kroah-Hartman

parent 2ab3dd84c0

commit d41076eaeb

1 changed files with 31 additions and 6 deletions

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37

drivers/staging/erofs/super.c

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