erofs: support superblock checksum

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Introduce superblock checksum feature in order to
check at mounting time.

Note that the first 1024 bytes are ignore for x86
boot sectors and other oddities.

Link: https://lore.kernel.org/r/20191104024937.113939-1-gaoxiang25@huawei.com
Signed-off-by: Pratik Shinde <pratikshinde320@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>

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Pratik Shinde 2019-11-04 10:49:37 +08:00 • committed by Gao Xiang

parent a93f8c3687

commit b858a4844c

4 changed files with 38 additions and 3 deletions

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1

fs/erofs/Kconfig

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3

fs/erofs/erofs_fs.h

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1

fs/erofs/internal.h

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36

fs/erofs/super.c

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