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authorAl Viro <viro@zeniv.linux.org.uk>2012-04-06 14:30:07 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-05-29 23:28:37 -0400
commitc4c995430a94e7d94526fcb347c4ba4b2ae82500 (patch)
tree00dd49eb6252305e90106a375fc3fa12d25f4d1b /fs/hpfs/hpfs.h
parent4085e155b14a89ee36f7bfc5bd07294b0c34b0e6 (diff)
downloadlinux-c4c995430a94e7d94526fcb347c4ba4b2ae82500.tar.bz2
hpfs: get rid of bitfields in struct fnode
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hpfs/hpfs.h')
-rw-r--r--fs/hpfs/hpfs.h32
1 files changed, 13 insertions, 19 deletions
diff --git a/fs/hpfs/hpfs.h b/fs/hpfs/hpfs.h
index ca90bde6564c..37cc4483fbd1 100644
--- a/fs/hpfs/hpfs.h
+++ b/fs/hpfs/hpfs.h
@@ -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
- points to dnode. */
- u8 flag9012345: 7;
-#else
- u8 flag9012345: 7;
- 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. */
-#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 */