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[PATCH] befs: introduce on-disk endian types 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2005-12-24 01:32:03 -05:00 committed by Linus Torvalds
parent af10b0084d
commit 1151895f80
2 changed files with 22 additions and 18 deletions
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4
fs/befs/befs_fs_types.h
View File

@ -79,6 +79,10 @@ enum inode_flags {
* On-Disk datastructures of BeFS
*/
typedef u64 __bitwise fs64;
typedef u32 __bitwise fs32;
typedef u16 __bitwise fs16;
typedef u64 befs_off_t;
typedef u64 befs_time_t;

36
fs/befs/endian.h
View File

@ -12,57 +12,57 @@
#include <linux/byteorder/generic.h>
static inline u64
fs64_to_cpu(const struct super_block *sb, u64 n)
fs64_to_cpu(const struct super_block *sb, fs64 n)
{
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
return le64_to_cpu(n);
return le64_to_cpu((__force __le64)n);
else
return be64_to_cpu(n);
return be64_to_cpu((__force __be64)n);
}
static inline u64
static inline fs64
cpu_to_fs64(const struct super_block *sb, u64 n)
{
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
return cpu_to_le64(n);
return (__force fs64)cpu_to_le64(n);
else
return cpu_to_be64(n);
return (__force fs64)cpu_to_be64(n);
}
static inline u32
fs32_to_cpu(const struct super_block *sb, u32 n)
fs32_to_cpu(const struct super_block *sb, fs32 n)
{
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
return le32_to_cpu(n);
return le32_to_cpu((__force __le32)n);
else
return be32_to_cpu(n);
return be32_to_cpu((__force __be32)n);
}
static inline u32
static inline fs32
cpu_to_fs32(const struct super_block *sb, u32 n)
{
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
return cpu_to_le32(n);
return (__force fs32)cpu_to_le32(n);
else
return cpu_to_be32(n);
return (__force fs32)cpu_to_be32(n);
}
static inline u16
fs16_to_cpu(const struct super_block *sb, u16 n)
fs16_to_cpu(const struct super_block *sb, fs16 n)
{
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
return le16_to_cpu(n);
return le16_to_cpu((__force __le16)n);
else
return be16_to_cpu(n);
return be16_to_cpu((__force __be16)n);
}
static inline u16
static inline fs16
cpu_to_fs16(const struct super_block *sb, u16 n)
{
if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE)
return cpu_to_le16(n);
return (__force fs16)cpu_to_le16(n);
else
return cpu_to_be16(n);
return (__force fs16)cpu_to_be16(n);
}
/* Composite types below here */