fs/adfs: correct disc record structure

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

View File

@ -29,17 +29,17 @@ struct adfs_discrecord {
__u8 log2sharesize:4;
__u8 unused40:4;
__u8 big_flag:1;
__u8 unused41:1;
__u8 unused41:7;
__u8 nzones_high;
__u8 reserved43;
__le32 format_version;
__le32 root_size;
__u8 unused52[60 - 52];
};
} __attribute__((packed, aligned(4)));
#define ADFS_DISCRECORD (0xc00)
#define ADFS_DR_OFFSET (0x1c0)
#define ADFS_DR_SIZE 60
#define ADFS_DR_SIZE_BITS (ADFS_DR_SIZE << 3)
#endif /* _UAPI_ADFS_FS_H */