diff options
Diffstat (limited to 'fs/read_write.c')
| -rw-r--r-- | fs/read_write.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 28cc9c810744..31c6efa43183 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -994,9 +994,9 @@ COMPAT_SYSCALL_DEFINE3(readv, compat_ulong_t, fd, return ret; } -COMPAT_SYSCALL_DEFINE4(preadv64, unsigned long, fd, - const struct compat_iovec __user *,vec, - unsigned long, vlen, loff_t, pos) +static long __compat_sys_preadv64(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos) { struct fd f; ssize_t ret; @@ -1013,12 +1013,22 @@ COMPAT_SYSCALL_DEFINE4(preadv64, unsigned long, fd, return ret; } +#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64 +COMPAT_SYSCALL_DEFINE4(preadv64, unsigned long, fd, + const struct compat_iovec __user *,vec, + unsigned long, vlen, loff_t, pos) +{ + return __compat_sys_preadv64(fd, vec, vlen, pos); +} +#endif + COMPAT_SYSCALL_DEFINE5(preadv, compat_ulong_t, fd, const struct compat_iovec __user *,vec, compat_ulong_t, vlen, u32, pos_low, u32, pos_high) { loff_t pos = ((loff_t)pos_high << 32) | pos_low; - return compat_sys_preadv64(fd, vec, vlen, pos); + + return __compat_sys_preadv64(fd, vec, vlen, pos); } static size_t compat_writev(struct file *file, @@ -1061,9 +1071,9 @@ COMPAT_SYSCALL_DEFINE3(writev, compat_ulong_t, fd, return ret; } -COMPAT_SYSCALL_DEFINE4(pwritev64, unsigned long, fd, - const struct compat_iovec __user *,vec, - unsigned long, vlen, loff_t, pos) +static long __compat_sys_pwritev64(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos) { struct fd f; ssize_t ret; @@ -1080,12 +1090,22 @@ COMPAT_SYSCALL_DEFINE4(pwritev64, unsigned long, fd, return ret; } +#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64 +COMPAT_SYSCALL_DEFINE4(pwritev64, unsigned long, fd, + const struct compat_iovec __user *,vec, + unsigned long, vlen, loff_t, pos) +{ + return __compat_sys_pwritev64(fd, vec, vlen, pos); +} +#endif + COMPAT_SYSCALL_DEFINE5(pwritev, compat_ulong_t, fd, const struct compat_iovec __user *,vec, compat_ulong_t, vlen, u32, pos_low, u32, pos_high) { loff_t pos = ((loff_t)pos_high << 32) | pos_low; - return compat_sys_pwritev64(fd, vec, vlen, pos); + + return __compat_sys_pwritev64(fd, vec, vlen, pos); } #endif |