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ROUND_UP macro cleanup in fs/(select|compat|readdir).c 

ROUND_UP macro cleanup use,ALIGN or DIV_ROUND_UP where ever appropriate.

Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Milind Arun Choudhary 2007-05-08 00:29:02 -07:00 коммит произвёл Linus Torvalds
Родитель 10f8a59813
Коммит 022a169244
3 изменённых файлов: 15 добавлений и 21 удалений
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20
fs/compat.c
Просмотреть файл

@ -15,6 +15,7 @@
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/linkage.h>
#include <linux/compat.h>
#include <linux/errno.h>
@ -902,8 +903,6 @@ asmlinkage long compat_sys_mount(char __user * dev_name, char __user * dir_name,
}
#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
#define COMPAT_ROUND_UP(x) (((x)+sizeof(compat_long_t)-1) & \
~(sizeof(compat_long_t)-1))
struct compat_old_linux_dirent {
compat_ulong_t d_ino;
@ -991,7 +990,7 @@ static int compat_filldir(void *__buf, const char *name, int namlen,
struct compat_linux_dirent __user * dirent;
struct compat_getdents_callback *buf = __buf;
compat_ulong_t d_ino;
int reclen = COMPAT_ROUND_UP(NAME_OFFSET(dirent) + namlen + 2);
int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(compat_long_t));
buf->error = -EINVAL; /* only used if we fail.. */
if (reclen > buf->count)
@ -1066,7 +1065,6 @@ out:
}
#ifndef __ARCH_OMIT_COMPAT_SYS_GETDENTS64
#define COMPAT_ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
struct compat_getdents_callback64 {
struct linux_dirent64 __user *current_dir;
@ -1081,7 +1079,7 @@ static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t
struct linux_dirent64 __user *dirent;
struct compat_getdents_callback64 *buf = __buf;
int jj = NAME_OFFSET(dirent);
int reclen = COMPAT_ROUND_UP64(jj + namlen + 1);
int reclen = ALIGN(jj + namlen + 1, sizeof(u64));
u64 off;
buf->error = -EINVAL; /* only used if we fail.. */
@ -1594,8 +1592,6 @@ out_ret:
#define __COMPAT_NFDBITS (8 * sizeof(compat_ulong_t))
#define ROUND_UP(x,y) (((x)+(y)-1)/(y))
/*
* Ooo, nasty. We need here to frob 32-bit unsigned longs to
* 64-bit unsigned longs.
@ -1604,7 +1600,7 @@ static
int compat_get_fd_set(unsigned long nr, compat_ulong_t __user *ufdset,
unsigned long *fdset)
{
nr = ROUND_UP(nr, __COMPAT_NFDBITS);
nr = DIV_ROUND_UP(nr, __COMPAT_NFDBITS);
if (ufdset) {
unsigned long odd;
@ -1638,7 +1634,7 @@ int compat_set_fd_set(unsigned long nr, compat_ulong_t __user *ufdset,
unsigned long *fdset)
{
unsigned long odd;
nr = ROUND_UP(nr, __COMPAT_NFDBITS);
nr = DIV_ROUND_UP(nr, __COMPAT_NFDBITS);
if (!ufdset)
return 0;
@ -1760,7 +1756,7 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS)
timeout = -1; /* infinite */
else {
timeout = ROUND_UP(tv.tv_usec, 1000000/HZ);
timeout = DIV_ROUND_UP(tv.tv_usec, 1000000/HZ);
timeout += tv.tv_sec * HZ;
}
}
@ -1828,7 +1824,7 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp,
do {
if (tsp) {
if ((unsigned long)ts.tv_sec < MAX_SELECT_SECONDS) {
timeout = ROUND_UP(ts.tv_nsec, 1000000000/HZ);
timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ);
timeout += ts.tv_sec * (unsigned long)HZ;
ts.tv_sec = 0;
ts.tv_nsec = 0;
@ -1924,7 +1920,7 @@ asmlinkage long compat_sys_ppoll(struct pollfd __user *ufds,
/* We assume that ts.tv_sec is always lower than
the number of seconds that can be expressed in
an s64. Otherwise the compiler bitches at us */
timeout = ROUND_UP(ts.tv_nsec, 1000000000/HZ);
timeout = DIV_ROUND_UP(ts.tv_nsec, 1000000000/HZ);
timeout += ts.tv_sec * HZ;
}

8
fs/readdir.c
Просмотреть файл

@ -4,6 +4,7 @@
* Copyright (C) 1995 Linus Torvalds
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/time.h>
#include <linux/mm.h>
@ -51,7 +52,6 @@ EXPORT_SYMBOL(vfs_readdir);
* case (the low-level handlers don't need to care about this).
*/
#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
#define ROUND_UP(x) (((x)+sizeof(long)-1) & ~(sizeof(long)-1))
#ifdef __ARCH_WANT_OLD_READDIR
@ -146,7 +146,7 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
struct linux_dirent __user * dirent;
struct getdents_callback * buf = (struct getdents_callback *) __buf;
unsigned long d_ino;
int reclen = ROUND_UP(NAME_OFFSET(dirent) + namlen + 2);
int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 2, sizeof(long));
buf->error = -EINVAL; /* only used if we fail.. */
if (reclen > buf->count)
@ -219,8 +219,6 @@ out:
return error;
}
#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
struct getdents_callback64 {
struct linux_dirent64 __user * current_dir;
struct linux_dirent64 __user * previous;
@ -233,7 +231,7 @@ static int filldir64(void * __buf, const char * name, int namlen, loff_t offset,
{
struct linux_dirent64 __user *dirent;
struct getdents_callback64 * buf = (struct getdents_callback64 *) __buf;
int reclen = ROUND_UP64(NAME_OFFSET(dirent) + namlen + 1);
int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, sizeof(u64));
buf->error = -EINVAL; /* only used if we fail.. */
if (reclen > buf->count)

8
fs/select.c
Просмотреть файл

@ -14,6 +14,7 @@
* of fds to overcome nfds < 16390 descriptors limit (Tigran Aivazian).
*/
#include <linux/kernel.h>
#include <linux/syscalls.h>
#include <linux/module.h>
#include <linux/slab.h>
@ -25,7 +26,6 @@
#include <asm/uaccess.h>
#define ROUND_UP(x,y) (((x)+(y)-1)/(y))
#define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
struct poll_table_page {
@ -398,7 +398,7 @@ asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
if ((u64)tv.tv_sec >= (u64)MAX_INT64_SECONDS)
timeout = -1; /* infinite */
else {
timeout = ROUND_UP(tv.tv_usec, USEC_PER_SEC/HZ);
timeout = DIV_ROUND_UP(tv.tv_usec, USEC_PER_SEC/HZ);
timeout += tv.tv_sec * HZ;
}
}
@ -453,7 +453,7 @@ asmlinkage long sys_pselect7(int n, fd_set __user *inp, fd_set __user *outp,
if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS)
timeout = -1; /* infinite */
else {
timeout = ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ);
timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ);
timeout += ts.tv_sec * HZ;
}
}
@ -775,7 +775,7 @@ asmlinkage long sys_ppoll(struct pollfd __user *ufds, unsigned int nfds,
if ((u64)ts.tv_sec >= (u64)MAX_INT64_SECONDS)
timeout = -1; /* infinite */
else {
timeout = ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ);
timeout = DIV_ROUND_UP(ts.tv_nsec, NSEC_PER_SEC/HZ);
timeout += ts.tv_sec * HZ;
}
}