hpfs: get rid of bitfields in struct fnode

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
このコミットが含まれているのは:
Al Viro
2012-04-06 14:30:07 -04:00
コミット c4c995430a
8個のファイルの変更32行の追加38行の削除

ファイルの表示

@@ -436,6 +436,7 @@ struct bplus_header
#define FNODE_MAGIC 0xf7e40aae
enum {FNODE_anode = cpu_to_le16(2), FNODE_dir = cpu_to_le16(256)};
struct fnode
{
u32 magic; /* f7e4 0aae */
@@ -451,26 +452,9 @@ struct fnode
secno ea_secno; /* first sector of disk-resident ea's*/
u16 ea_size_s; /* length of fnode-resident ea's */
#ifdef __LITTLE_ENDIAN
u8 flag0: 1;
u8 ea_anode: 1; /* 1 -> ea_secno is an anode */
u8 flag234567: 6;
#else
u8 flag234567: 6;
u8 ea_anode: 1; /* 1 -> ea_secno is an anode */
u8 flag0: 1;
#endif
#ifdef __LITTLE_ENDIAN
u8 dirflag: 1; /* 1 -> directory. first & only extent
__le16 flags; /* bit 1 set -> ea_secno is an anode */
/* bit 8 set -> directory. first & only extent
points to dnode. */
u8 flag9012345: 7;
#else
u8 flag9012345: 7;
u8 dirflag: 1; /* 1 -> directory. first & only extent
points to dnode. */
#endif
struct bplus_header btree; /* b+ tree, 8 extents or 12 subtrees */
union {
struct bplus_leaf_node external[8];
@@ -492,6 +476,16 @@ struct fnode
via fnode + ea_offs. I think.) */
};
static inline bool fnode_in_anode(struct fnode *p)
{
return (p->flags & FNODE_anode) != 0;
}
static inline bool fnode_is_dir(struct fnode *p)
{
return (p->flags & FNODE_dir) != 0;
}
/* anode: 99.44% pure allocation tree */