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fs/adfs: correct disc record structure

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Fill in some padding in the disc record structure, and add GCC
packed and aligned attributes to ensure that it is correctly
laid out.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Russell King 2019-06-04 14:49:25 +01:00 committed by Al Viro
parent d1fdb6d8f6
commit 3ae762a09c
1 changed files with 3 additions and 3 deletions
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6
include/uapi/linux/adfs_fs.h
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@ -29,17 +29,17 @@ struct adfs_discrecord {
__u8 log2sharesize:4; __u8 log2sharesize:4;
__u8 unused40:4; __u8 unused40:4;
__u8 big_flag:1; __u8 big_flag:1;
__u8 unused41:1; __u8 unused41:7;
__u8 nzones_high; __u8 nzones_high;
__u8 reserved43;
__le32 format_version; __le32 format_version;
__le32 root_size; __le32 root_size;
__u8 unused52[60 - 52]; __u8 unused52[60 - 52];
}; } __attribute__((packed, aligned(4)));
#define ADFS_DISCRECORD (0xc00) #define ADFS_DISCRECORD (0xc00)
#define ADFS_DR_OFFSET (0x1c0) #define ADFS_DR_OFFSET (0x1c0)
#define ADFS_DR_SIZE 60 #define ADFS_DR_SIZE 60
#define ADFS_DR_SIZE_BITS (ADFS_DR_SIZE << 3) #define ADFS_DR_SIZE_BITS (ADFS_DR_SIZE << 3)
#endif /* _UAPI_ADFS_FS_H */ #endif /* _UAPI_ADFS_FS_H */