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| author | Pratik Shinde <pratikshinde320@gmail.com> | 2019-11-04 10:49:37 +0800 |
|---|---|---|
| committer | Gao Xiang <gaoxiang25@huawei.com> | 2019-11-24 11:02:41 +0800 |
| commit | b858a4844cfba3d90a8d8ffd3a04d9557f76b60f (patch) | |
| tree | e6f4c00ffe6fdd09fd393910f444c7bad2682d36 /fs/erofs/erofs_fs.h | |
| parent | a93f8c36877b2ae9ba0ca07eda1933944dc5bcb8 (diff) | |
| download | linux-b858a4844cfba3d90a8d8ffd3a04d9557f76b60f.tar.bz2 | |
erofs: support superblock checksum
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>
Diffstat (limited to 'fs/erofs/erofs_fs.h')
| -rw-r--r-- | fs/erofs/erofs_fs.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h index b1ee5654750d..385fa49c7749 100644 --- a/fs/erofs/erofs_fs.h +++ b/fs/erofs/erofs_fs.h @@ -11,6 +11,8 @@ #define EROFS_SUPER_OFFSET 1024 +#define EROFS_FEATURE_COMPAT_SB_CHKSUM 0x00000001 + /* * Any bits that aren't in EROFS_ALL_FEATURE_INCOMPAT should * be incompatible with this kernel version. @@ -37,7 +39,6 @@ struct erofs_super_block { __u8 uuid[16]; /* 128-bit uuid for volume */ __u8 volume_name[16]; /* volume name */ __le32 feature_incompat; - __u8 reserved2[44]; }; |