fs/hfs/hfs.h

240 struct hfs_mdb {  struct
241 	__be16 drSigWord;		/* Signature word indicating fs type */
242 	__be32 drCrDate;		/* fs creation date/time */
243 	__be32 drLsMod;			/* fs modification date/time */
244 	__be16 drAtrb;			/* fs attributes */
245 	__be16 drNmFls;			/* number of files in root directory */
246 	__be16 drVBMSt;			/* location (in 512-byte blocks)
248 	__be16 drAllocPtr;		/* location (in allocation blocks)
250 	__be16 drNmAlBlks;		/* number of allocation blocks */
251 	__be32 drAlBlkSiz;		/* bytes in an allocation block */
252 	__be32 drClpSiz;		/* clumpsize, the number of bytes to
254 	__be16 drAlBlSt;		/* location (in 512-byte blocks)
256 	__be32 drNxtCNID;		/* CNID to assign to the next
258 	__be16 drFreeBks;		/* number of free allocation blocks */
259 	u8 drVN[28];			/* the volume label */
260 	__be32 drVolBkUp;		/* fs backup date/time */
261 	__be16 drVSeqNum;		/* backup sequence number */
262 	__be32 drWrCnt;			/* fs write count */
263 	__be32 drXTClpSiz;		/* clumpsize for the extents B-tree */
264 	__be32 drCTClpSiz;		/* clumpsize for the catalog B-tree */
265 	__be16 drNmRtDirs;		/* number of directories in
267 	__be32 drFilCnt;		/* number of files in the fs */
268 	__be32 drDirCnt;		/* number of directories in the fs */
269 	u8 drFndrInfo[32];		/* data used by the Finder */
270 	__be16 drEmbedSigWord;		/* embedded volume signature */
271 	__be32 drEmbedExtent;		/* starting block number (xdrStABN)
275 	__be32 drXTFlSize;		/* bytes in the extents B-tree */
276 	hfs_extent_rec drXTExtRec;	/* extents B-tree's first 3 extents */
277 	__be32 drCTFlSize;		/* bytes in the catalog B-tree */
278 	hfs_extent_rec drCTExtRec;	/* catalog B-tree's first 3 extents */