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hpfs: get rid of bitfields endianness wanking in extended_attribute

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-04-06 13:21:09 -04:00
parent 185553b224
commit 4085e155b1
3 changed files with 35 additions and 34 deletions
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31
fs/hpfs/hpfs.h
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@@ -528,32 +528,23 @@ struct anode
run, or in multiple runs. Flags in the fnode tell whether the EA list
is immediate, in a single run, or in multiple runs. */
enum {EA_indirect = 1, EA_anode = 2, EA_needea = 128 };
struct extended_attribute
{
#ifdef __LITTLE_ENDIAN
u8 indirect: 1; /* 1 -> value gives sector number
u8 flags; /* bit 0 set -> value gives sector number
where real value starts */
u8 anode: 1; /* 1 -> sector is an anode
/* bit 1 set -> sector is an anode
that points to fragmented value */
u8 flag23456: 5;
u8 needea: 1; /* required ea */
#else
u8 needea: 1; /* required ea */
u8 flag23456: 5;
u8 anode: 1; /* 1 -> sector is an anode
that points to fragmented value */
u8 indirect: 1; /* 1 -> value gives sector number
where real value starts */
#endif
/* bit 7 set -> required ea */
u8 namelen; /* length of name, bytes */
u8 valuelen_lo; /* length of value, bytes */
u8 valuelen_hi; /* length of value, bytes */
u8 name[0];
u8 name[];
/*
u8 name[namelen]; ascii attrib name
u8 nul; terminating '\0', not counted
u8 value[valuelen]; value, arbitrary
if this.indirect, valuelen is 8 and the value is
if this.flags & 1, valuelen is 8 and the value is
u32 length; real length of value, bytes
secno secno; sector address where it starts
if this.anode, the above sector number is the root of an anode tree
@@ -561,6 +552,16 @@ struct extended_attribute
*/
};
static inline bool ea_indirect(struct extended_attribute *ea)
{
return ea->flags & EA_indirect;
}
static inline bool ea_in_anode(struct extended_attribute *ea)
{
return ea->flags & EA_anode;
}
/*
Local Variables:
comment-column: 40