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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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115
fs/ufs/swab.h Normal file
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/*
* linux/fs/ufs/swab.h
*
* Copyright (C) 1997, 1998 Francois-Rene Rideau <fare@tunes.org>
* Copyright (C) 1998 Jakub Jelinek <jj@ultra.linux.cz>
* Copyright (C) 2001 Christoph Hellwig <hch@infradead.org>
*/
#ifndef _UFS_SWAB_H
#define _UFS_SWAB_H
/*
* Notes:
* HERE WE ASSUME EITHER BIG OR LITTLE ENDIAN UFSes
* in case there are ufs implementations that have strange bytesexes,
* you'll need to modify code here as well as in ufs_super.c and ufs_fs.h
* to support them.
*/
enum {
BYTESEX_LE,
BYTESEX_BE
};
static inline u64
fs64_to_cpu(struct super_block *sbp, __fs64 n)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return le64_to_cpu((__force __le64)n);
else
return be64_to_cpu((__force __be64)n);
}
static inline __fs64
cpu_to_fs64(struct super_block *sbp, u64 n)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return (__force __fs64)cpu_to_le64(n);
else
return (__force __fs64)cpu_to_be64(n);
}
static inline u32
fs32_to_cpu(struct super_block *sbp, __fs32 n)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return le32_to_cpu((__force __le32)n);
else
return be32_to_cpu((__force __be32)n);
}
static inline __fs32
cpu_to_fs32(struct super_block *sbp, u32 n)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return (__force __fs32)cpu_to_le32(n);
else
return (__force __fs32)cpu_to_be32(n);
}
static inline void
fs32_add(struct super_block *sbp, __fs32 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
le32_add_cpu((__le32 *)n, d);
else
be32_add_cpu((__be32 *)n, d);
}
static inline void
fs32_sub(struct super_block *sbp, __fs32 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
le32_add_cpu((__le32 *)n, -d);
else
be32_add_cpu((__be32 *)n, -d);
}
static inline u16
fs16_to_cpu(struct super_block *sbp, __fs16 n)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return le16_to_cpu((__force __le16)n);
else
return be16_to_cpu((__force __be16)n);
}
static inline __fs16
cpu_to_fs16(struct super_block *sbp, u16 n)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
return (__force __fs16)cpu_to_le16(n);
else
return (__force __fs16)cpu_to_be16(n);
}
static inline void
fs16_add(struct super_block *sbp, __fs16 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
le16_add_cpu((__le16 *)n, d);
else
be16_add_cpu((__be16 *)n, d);
}
static inline void
fs16_sub(struct super_block *sbp, __fs16 *n, int d)
{
if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE)
le16_add_cpu((__le16 *)n, -d);
else
be16_add_cpu((__be16 *)n, -d);
}
#endif /* _UFS_SWAB_H */