Commit ae5df413 authored by Russell King's avatar Russell King Committed by Al Viro
Browse files

fs/adfs: dir: modernise on-disk directory structures 



Use __u8 and pack the structures for on-disk directories.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent deed1bfd

fs/adfs/dir_f.h

+28 −24
Original line number Diff line number Diff line
@@ -13,9 +13,9 @@ 
 * Directory header

 */

struct adfs_dirheader {

	unsigned char startmasseq;

	unsigned char startname[4];

};

	__u8 startmasseq;

	__u8 startname[4];

} __attribute__((packed));



#define ADFS_NEWDIR_SIZE	2048

#define ADFS_NUM_DIR_ENTRIES	77
@@ -31,32 +31,36 @@ struct adfs_direntry { 
	__u8 dirlen[4];

	__u8 dirinddiscadd[3];

	__u8 newdiratts;

};

} __attribute__((packed));



/*

 * Directory tail

 */

union adfs_dirtail {

	struct {

		unsigned char dirlastmask;

struct adfs_olddirtail {

	__u8 dirlastmask;

	char dirname[10];

		unsigned char dirparent[3];

	__u8 dirparent[3];

	char dirtitle[19];

		unsigned char reserved[14];

		unsigned char endmasseq;

		unsigned char endname[4];

		unsigned char dircheckbyte;

	} old;

	struct {

		unsigned char dirlastmask;

		unsigned char reserved[2];

		unsigned char dirparent[3];

	__u8 reserved[14];

	__u8 endmasseq;

	__u8 endname[4];

	__u8 dircheckbyte;

} __attribute__((packed));



struct adfs_newdirtail {

	__u8 dirlastmask;

	__u8 reserved[2];

	__u8 dirparent[3];

	char dirtitle[19];

	char dirname[10];

		unsigned char endmasseq;

		unsigned char endname[4];

		unsigned char dircheckbyte;

	} new;

	__u8 endmasseq;

	__u8 endname[4];

	__u8 dircheckbyte;

} __attribute__((packed));



union adfs_dirtail {

	struct adfs_olddirtail old;

	struct adfs_newdirtail new;

};



#endif

fs/adfs/dir_fplus.h

+3 −3
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ struct adfs_bigdirheader { 
	__le32	bigdirnamesize;

	__le32	bigdirparent;

	char	bigdirname[1];

};

} __attribute__((packed, aligned(4)));



struct adfs_bigdirentry {

	__le32	bigdirload;
@@ -32,11 +32,11 @@ struct adfs_bigdirentry { 
	__le32	bigdirattr;

	__le32	bigdirobnamelen;

	__le32	bigdirobnameptr;

};

} __attribute__((packed, aligned(4)));



struct adfs_bigdirtail {

	__le32	bigdirendname;

	__u8	bigdirendmasseq;

	__u8	reserved[2];

	__u8	bigdircheckbyte;

};
 
} __attribute__((packed, aligned(4)));

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