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-rw-r--r--fs/autofs4/dev-ioctl.c2
-rw-r--r--fs/binfmt_misc.c2
-rw-r--r--fs/dcookies.c11
-rw-r--r--fs/eventfd.c9
-rw-r--r--fs/eventpoll.c23
-rw-r--r--fs/fcntl.c12
-rw-r--r--fs/file.c17
-rw-r--r--fs/hostfs/hostfs.h2
-rw-r--r--fs/hostfs/hostfs_kern.c2
-rw-r--r--fs/hostfs/hostfs_user.c2
-rw-r--r--fs/internal.h14
-rw-r--r--fs/ioctl.c7
-rw-r--r--fs/namei.c61
-rw-r--r--fs/namespace.c19
-rw-r--r--fs/notify/fanotify/fanotify_user.c14
-rw-r--r--fs/notify/inotify/inotify_user.c9
-rw-r--r--fs/open.c77
-rw-r--r--fs/pipe.c9
-rw-r--r--fs/quota/compat.c13
-rw-r--r--fs/quota/quota.c10
-rw-r--r--fs/read_write.c45
-rw-r--r--fs/readdir.c11
-rw-r--r--fs/select.c29
-rw-r--r--fs/signalfd.c31
-rw-r--r--fs/splice.c12
-rw-r--r--fs/stat.c12
-rw-r--r--fs/sync.c19
-rw-r--r--fs/utimes.c25
28 files changed, 379 insertions, 120 deletions
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index b7c816f39404..26f6b4f41ce6 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -310,7 +310,7 @@ static int autofs_dev_ioctl_closemount(struct file *fp,
struct autofs_sb_info *sbi,
struct autofs_dev_ioctl *param)
{
- return sys_close(param->ioctlfd);
+ return ksys_close(param->ioctlfd);
}
/*
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index a7c5a9861bef..a41b48f82a70 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -241,7 +241,7 @@ ret:
return retval;
error:
if (fd_binary > 0)
- sys_close(fd_binary);
+ ksys_close(fd_binary);
bprm->interp_flags = 0;
bprm->interp_data = 0;
goto ret;
diff --git a/fs/dcookies.c b/fs/dcookies.c
index 0d0461cf2431..57bc96435feb 100644
--- a/fs/dcookies.c
+++ b/fs/dcookies.c
@@ -146,7 +146,7 @@ out:
/* And here is where the userspace process can look up the cookie value
* to retrieve the path.
*/
-SYSCALL_DEFINE3(lookup_dcookie, u64, cookie64, char __user *, buf, size_t, len)
+static int do_lookup_dcookie(u64 cookie64, char __user *buf, size_t len)
{
unsigned long cookie = (unsigned long)cookie64;
int err = -EINVAL;
@@ -203,13 +203,18 @@ out:
return err;
}
+SYSCALL_DEFINE3(lookup_dcookie, u64, cookie64, char __user *, buf, size_t, len)
+{
+ return do_lookup_dcookie(cookie64, buf, len);
+}
+
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE4(lookup_dcookie, u32, w0, u32, w1, char __user *, buf, compat_size_t, len)
{
#ifdef __BIG_ENDIAN
- return sys_lookup_dcookie(((u64)w0 << 32) | w1, buf, len);
+ return do_lookup_dcookie(((u64)w0 << 32) | w1, buf, len);
#else
- return sys_lookup_dcookie(((u64)w1 << 32) | w0, buf, len);
+ return do_lookup_dcookie(((u64)w1 << 32) | w0, buf, len);
#endif
}
#endif
diff --git a/fs/eventfd.c b/fs/eventfd.c
index 012f5bd46dfa..08d3bd602f73 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -380,7 +380,7 @@ struct eventfd_ctx *eventfd_ctx_fileget(struct file *file)
}
EXPORT_SYMBOL_GPL(eventfd_ctx_fileget);
-SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags)
+static int do_eventfd(unsigned int count, int flags)
{
struct eventfd_ctx *ctx;
int fd;
@@ -409,8 +409,13 @@ SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags)
return fd;
}
+SYSCALL_DEFINE2(eventfd2, unsigned int, count, int, flags)
+{
+ return do_eventfd(count, flags);
+}
+
SYSCALL_DEFINE1(eventfd, unsigned int, count)
{
- return sys_eventfd2(count, 0);
+ return do_eventfd(count, 0);
}
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 0f3494ed3ed0..602ca4285b2e 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -1936,7 +1936,7 @@ static void clear_tfile_check_list(void)
/*
* Open an eventpoll file descriptor.
*/
-SYSCALL_DEFINE1(epoll_create1, int, flags)
+static int do_epoll_create(int flags)
{
int error, fd;
struct eventpoll *ep = NULL;
@@ -1979,12 +1979,17 @@ out_free_ep:
return error;
}
+SYSCALL_DEFINE1(epoll_create1, int, flags)
+{
+ return do_epoll_create(flags);
+}
+
SYSCALL_DEFINE1(epoll_create, int, size)
{
if (size <= 0)
return -EINVAL;
- return sys_epoll_create1(0);
+ return do_epoll_create(0);
}
/*
@@ -2148,8 +2153,8 @@ error_return:
* Implement the event wait interface for the eventpoll file. It is the kernel
* part of the user space epoll_wait(2).
*/
-SYSCALL_DEFINE4(epoll_wait, int, epfd, struct epoll_event __user *, events,
- int, maxevents, int, timeout)
+static int do_epoll_wait(int epfd, struct epoll_event __user *events,
+ int maxevents, int timeout)
{
int error;
struct fd f;
@@ -2190,6 +2195,12 @@ error_fput:
return error;
}
+SYSCALL_DEFINE4(epoll_wait, int, epfd, struct epoll_event __user *, events,
+ int, maxevents, int, timeout)
+{
+ return do_epoll_wait(epfd, events, maxevents, timeout);
+}
+
/*
* Implement the event wait interface for the eventpoll file. It is the kernel
* part of the user space epoll_pwait(2).
@@ -2214,7 +2225,7 @@ SYSCALL_DEFINE6(epoll_pwait, int, epfd, struct epoll_event __user *, events,
set_current_blocked(&ksigmask);
}
- error = sys_epoll_wait(epfd, events, maxevents, timeout);
+ error = do_epoll_wait(epfd, events, maxevents, timeout);
/*
* If we changed the signal mask, we need to restore the original one.
@@ -2257,7 +2268,7 @@ COMPAT_SYSCALL_DEFINE6(epoll_pwait, int, epfd,
set_current_blocked(&ksigmask);
}
- err = sys_epoll_wait(epfd, events, maxevents, timeout);
+ err = do_epoll_wait(epfd, events, maxevents, timeout);
/*
* If we changed the signal mask, we need to restore the original one.
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 1e97f1fda90c..d737ff082472 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -607,8 +607,8 @@ static int fixup_compat_flock(struct flock *flock)
return 0;
}
-COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
- compat_ulong_t, arg)
+static long do_compat_fcntl64(unsigned int fd, unsigned int cmd,
+ compat_ulong_t arg)
{
struct fd f = fdget_raw(fd);
struct flock flock;
@@ -672,6 +672,12 @@ out_put:
return err;
}
+COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
+ compat_ulong_t, arg)
+{
+ return do_compat_fcntl64(fd, cmd, arg);
+}
+
COMPAT_SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd,
compat_ulong_t, arg)
{
@@ -684,7 +690,7 @@ COMPAT_SYSCALL_DEFINE3(fcntl, unsigned int, fd, unsigned int, cmd,
case F_OFD_SETLKW:
return -EINVAL;
}
- return compat_sys_fcntl64(fd, cmd, arg);
+ return do_compat_fcntl64(fd, cmd, arg);
}
#endif
diff --git a/fs/file.c b/fs/file.c
index 42f0db4bd0fb..7ffd6e9d103d 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -638,6 +638,7 @@ out_unlock:
spin_unlock(&files->file_lock);
return -EBADF;
}
+EXPORT_SYMBOL(__close_fd); /* for ksys_close() */
void do_close_on_exec(struct files_struct *files)
{
@@ -870,7 +871,7 @@ out_unlock:
return err;
}
-SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags)
+static int ksys_dup3(unsigned int oldfd, unsigned int newfd, int flags)
{
int err = -EBADF;
struct file *file;
@@ -904,6 +905,11 @@ out_unlock:
return err;
}
+SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags)
+{
+ return ksys_dup3(oldfd, newfd, flags);
+}
+
SYSCALL_DEFINE2(dup2, unsigned int, oldfd, unsigned int, newfd)
{
if (unlikely(newfd == oldfd)) { /* corner case */
@@ -916,10 +922,10 @@ SYSCALL_DEFINE2(dup2, unsigned int, oldfd, unsigned int, newfd)
rcu_read_unlock();
return retval;
}
- return sys_dup3(oldfd, newfd, 0);
+ return ksys_dup3(oldfd, newfd, 0);
}
-SYSCALL_DEFINE1(dup, unsigned int, fildes)
+int ksys_dup(unsigned int fildes)
{
int ret = -EBADF;
struct file *file = fget_raw(fildes);
@@ -934,6 +940,11 @@ SYSCALL_DEFINE1(dup, unsigned int, fildes)
return ret;
}
+SYSCALL_DEFINE1(dup, unsigned int, fildes)
+{
+ return ksys_dup(fildes);
+}
+
int f_dupfd(unsigned int from, struct file *file, unsigned flags)
{
int err;
diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h
index ffaec2e7526c..cb8374af08a6 100644
--- a/fs/hostfs/hostfs.h
+++ b/fs/hostfs/hostfs.h
@@ -84,7 +84,7 @@ extern int set_attr(const char *file, struct hostfs_iattr *attrs, int fd);
extern int make_symlink(const char *from, const char *to);
extern int unlink_file(const char *file);
extern int do_mkdir(const char *file, int mode);
-extern int do_rmdir(const char *file);
+extern int hostfs_do_rmdir(const char *file);
extern int do_mknod(const char *file, int mode, unsigned int major,
unsigned int minor);
extern int link_file(const char *from, const char *to);
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index c148e7f4f451..3cd85eb5bbb1 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -706,7 +706,7 @@ static int hostfs_rmdir(struct inode *ino, struct dentry *dentry)
if ((file = dentry_name(dentry)) == NULL)
return -ENOMEM;
- err = do_rmdir(file);
+ err = hostfs_do_rmdir(file);
__putname(file);
return err;
}
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
index 9c1e0f019880..5ecc4706172b 100644
--- a/fs/hostfs/hostfs_user.c
+++ b/fs/hostfs/hostfs_user.c
@@ -304,7 +304,7 @@ int do_mkdir(const char *file, int mode)
return 0;
}
-int do_rmdir(const char *file)
+int hostfs_do_rmdir(const char *file)
{
int err;
diff --git a/fs/internal.h b/fs/internal.h
index df262f41a0ef..980d005b21b4 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -55,7 +55,15 @@ extern void __init chrdev_init(void);
extern int user_path_mountpoint_at(int, const char __user *, unsigned int, struct path *);
extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
const char *, unsigned int, struct path *);
+long do_mknodat(int dfd, const char __user *filename, umode_t mode,
+ unsigned int dev);
+long do_mkdirat(int dfd, const char __user *pathname, umode_t mode);
+long do_rmdir(int dfd, const char __user *pathname);
long do_unlinkat(int dfd, struct filename *name);
+long do_symlinkat(const char __user *oldname, int newdfd,
+ const char __user *newname);
+int do_linkat(int olddfd, const char __user *oldname, int newdfd,
+ const char __user *newname, int flags);
/*
* namespace.c
@@ -111,6 +119,12 @@ extern struct file *do_filp_open(int dfd, struct filename *pathname,
extern struct file *do_file_open_root(struct dentry *, struct vfsmount *,
const char *, const struct open_flags *);
+long do_sys_ftruncate(unsigned int fd, loff_t length, int small);
+long do_faccessat(int dfd, const char __user *filename, int mode);
+int do_fchmodat(int dfd, const char __user *filename, umode_t mode);
+int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
+ int flag);
+
extern int open_check_o_direct(struct file *f);
extern int vfs_open(const struct path *, struct file *, const struct cred *);
extern struct file *filp_clone_open(struct file *);
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 5ace7efb0d04..4823431d1c9d 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -689,7 +689,7 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
return error;
}
-SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
+int ksys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
int error;
struct fd f = fdget(fd);
@@ -702,3 +702,8 @@ SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
fdput(f);
return error;
}
+
+SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, unsigned long, arg)
+{
+ return ksys_ioctl(fd, cmd, arg);
+}
diff --git a/fs/namei.c b/fs/namei.c
index cafa365eeb70..5c2b953c352d 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3729,8 +3729,8 @@ static int may_mknod(umode_t mode)
}
}
-SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
- unsigned, dev)
+long do_mknodat(int dfd, const char __user *filename, umode_t mode,
+ unsigned int dev)
{
struct dentry *dentry;
struct path path;
@@ -3773,9 +3773,15 @@ out:
return error;
}
+SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
+ unsigned int, dev)
+{
+ return do_mknodat(dfd, filename, mode, dev);
+}
+
SYSCALL_DEFINE3(mknod, const char __user *, filename, umode_t, mode, unsigned, dev)
{
- return sys_mknodat(AT_FDCWD, filename, mode, dev);
+ return do_mknodat(AT_FDCWD, filename, mode, dev);
}
int vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
@@ -3804,7 +3810,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
}
EXPORT_SYMBOL(vfs_mkdir);
-SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
+long do_mkdirat(int dfd, const char __user *pathname, umode_t mode)
{
struct dentry *dentry;
struct path path;
@@ -3829,9 +3835,14 @@ retry:
return error;
}
+SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
+{
+ return do_mkdirat(dfd, pathname, mode);
+}
+
SYSCALL_DEFINE2(mkdir, const char __user *, pathname, umode_t, mode)
{
- return sys_mkdirat(AT_FDCWD, pathname, mode);
+ return do_mkdirat(AT_FDCWD, pathname, mode);
}
int vfs_rmdir(struct inode *dir, struct dentry *dentry)
@@ -3873,7 +3884,7 @@ out:
}
EXPORT_SYMBOL(vfs_rmdir);
-static long do_rmdir(int dfd, const char __user *pathname)
+long do_rmdir(int dfd, const char __user *pathname)
{
int error = 0;
struct filename *name;
@@ -4109,8 +4120,8 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)
}
EXPORT_SYMBOL(vfs_symlink);
-SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
- int, newdfd, const char __user *, newname)
+long do_symlinkat(const char __user *oldname, int newdfd,
+ const char __user *newname)
{
int error;
struct filename *from;
@@ -4140,9 +4151,15 @@ out_putname:
return error;
}
+SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
+ int, newdfd, const char __user *, newname)
+{
+ return do_symlinkat(oldname, newdfd, newname);
+}
+
SYSCALL_DEFINE2(symlink, const char __user *, oldname, const char __user *, newname)
{
- return sys_symlinkat(oldname, AT_FDCWD, newname);
+ return do_symlinkat(oldname, AT_FDCWD, newname);
}
/**
@@ -4234,8 +4251,8 @@ EXPORT_SYMBOL(vfs_link);
* with linux 2.0, and to avoid hard-linking to directories
* and other special files. --ADM
*/
-SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
- int, newdfd, const char __user *, newname, int, flags)
+int do_linkat(int olddfd, const char __user *oldname, int newdfd,
+ const char __user *newname, int flags)
{
struct dentry *new_dentry;
struct path old_path, new_path;
@@ -4299,9 +4316,15 @@ out:
return error;
}
+SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+ int, newdfd, const char __user *, newname, int, flags)
+{
+ return do_linkat(olddfd, oldname, newdfd, newname, flags);
+}
+
SYSCALL_DEFINE2(link, const char __user *, oldname, const char __user *, newname)
{
- return sys_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
+ return do_linkat(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
}
/**
@@ -4479,8 +4502,8 @@ out:
}
EXPORT_SYMBOL(vfs_rename);
-SYSCALL_DEFINE5(renameat2, int, olddfd, const char __user *, oldname,
- int, newdfd, const char __user *, newname, unsigned int, flags)
+static int do_renameat2(int olddfd, const char __user *oldname, int newdfd,
+ const char __user *newname, unsigned int flags)
{
struct dentry *old_dentry, *new_dentry;
struct dentry *trap;
@@ -4622,15 +4645,21 @@ exit:
return error;
}
+SYSCALL_DEFINE5(renameat2, int, olddfd, const char __user *, oldname,
+ int, newdfd, const char __user *, newname, unsigned int, flags)
+{
+ return do_renameat2(olddfd, oldname, newdfd, newname, flags);
+}
+
SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
int, newdfd, const char __user *, newname)
{
- return sys_renameat2(olddfd, oldname, newdfd, newname, 0);
+ return do_renameat2(olddfd, oldname, newdfd, newname, 0);
}
SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newname)
{
- return sys_renameat2(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
+ return do_renameat2(AT_FDCWD, oldname, AT_FDCWD, newname, 0);
}
int vfs_whiteout(struct inode *dir, struct dentry *dentry)
diff --git a/fs/namespace.c b/fs/namespace.c
index 9d1374ab6e06..e398f32d7541 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1680,7 +1680,7 @@ static inline bool may_mandlock(void)
* unixes. Our API is identical to OSF/1 to avoid making a mess of AMD
*/
-SYSCALL_DEFINE2(umount, char __user *, name, int, flags)
+int ksys_umount(char __user *name, int flags)
{
struct path path;
struct mount *mnt;
@@ -1720,6 +1720,11 @@ out:
return retval;
}
+SYSCALL_DEFINE2(umount, char __user *, name, int, flags)
+{
+ return ksys_umount(name, flags);
+}
+
#ifdef __ARCH_WANT_SYS_OLDUMOUNT
/*
@@ -1727,7 +1732,7 @@ out:
*/
SYSCALL_DEFINE1(oldumount, char __user *, name)
{
- return sys_umount(name, 0);
+ return ksys_umount(name, 0);
}
#endif
@@ -3032,8 +3037,8 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
}
EXPORT_SYMBOL(mount_subtree);
-SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
- char __user *, type, unsigned long, flags, void __user *, data)
+int ksys_mount(char __user *dev_name, char __user *dir_name, char __user *type,
+ unsigned long flags, void __user *data)
{
int ret;
char *kernel_type;
@@ -3066,6 +3071,12 @@ out_type:
return ret;
}
+SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
+ char __user *, type, unsigned long, flags, void __user *, data)
+{
+ return ksys_mount(dev_name, dir_name, type, flags, data);
+}
+
/*
* Return true if path is reachable from root
*
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index c07eb3d655ea..fa803a58a605 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -820,9 +820,8 @@ out_destroy_group:
return fd;
}
-SYSCALL_DEFINE5(fanotify_mark, int, fanotify_fd, unsigned int, flags,
- __u64, mask, int, dfd,
- const char __user *, pathname)
+static int do_fanotify_mark(int fanotify_fd, unsigned int flags, __u64 mask,
+ int dfd, const char __user *pathname)
{
struct inode *inode = NULL;
struct vfsmount *mnt = NULL;
@@ -928,13 +927,20 @@ fput_and_out:
return ret;
}
+SYSCALL_DEFINE5(fanotify_mark, int, fanotify_fd, unsigned int, flags,
+ __u64, mask, int, dfd,
+ const char __user *, pathname)
+{
+ return do_fanotify_mark(fanotify_fd, flags, mask, dfd, pathname);
+}
+
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE6(fanotify_mark,
int, fanotify_fd, unsigned int, flags,
__u32, mask0, __u32, mask1, int, dfd,
const char __user *, pathname)
{
- return sys_fanotify_mark(fanotify_fd, flags,
+ return do_fanotify_mark(fanotify_fd, flags,
#ifdef __BIG_ENDIAN
((__u64)mask0 << 32) | mask1,
#else
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 2c908b31d6c9..43c23653ce2e 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -635,7 +635,7 @@ static struct fsnotify_group *inotify_new_group(unsigned int max_events)
/* inotify syscalls */
-SYSCALL_DEFINE1(inotify_init1, int, flags)
+static int do_inotify_init(int flags)
{
struct fsnotify_group *group;
int ret;
@@ -660,9 +660,14 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
return ret;
}
+SYSCALL_DEFINE1(inotify_init1, int, flags)
+{
+ return do_inotify_init(flags);
+}
+
SYSCALL_DEFINE0(inotify_init)
{
- return sys_inotify_init1(0);
+ return do_inotify_init(0);
}
SYSCALL_DEFINE3(inotify_add_watch, int, fd, const char __user *, pathname,
diff --git a/fs/open.c b/fs/open.c
index 7ea118471dce..d0e955b558ad 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -128,7 +128,7 @@ out:
}
EXPORT_SYMBOL_GPL(vfs_truncate);
-static long do_sys_truncate(const char __user *pathname, loff_t length)
+long do_sys_truncate(const char __user *pathname, loff_t length)
{
unsigned int lookup_flags = LOOKUP_FOLLOW;
struct path path;
@@ -162,7 +162,7 @@ COMPAT_SYSCALL_DEFINE2(truncate, const char __user *, path, compat_off_t, length
}
#endif
-static long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
+long do_sys_ftruncate(unsigned int fd, loff_t length, int small)
{
struct inode *inode;
struct dentry *dentry;
@@ -333,7 +333,7 @@ int vfs_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
}
EXPORT_SYMBOL_GPL(vfs_fallocate);
-SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
+int ksys_fallocate(int fd, int mode, loff_t offset, loff_t len)
{
struct fd f = fdget(fd);
int error = -EBADF;
@@ -345,12 +345,17 @@ SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
return error;
}
+SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
+{
+ return ksys_fallocate(fd, mode, offset, len);
+}
+
/*
* access() needs to use the real uid/gid, not the effective uid/gid.
* We do this by temporarily clearing all FS-related capabilities and
* switching the fsuid/fsgid around to the real ones.
*/
-SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
+long do_faccessat(int dfd, const char __user *filename, int mode)
{
const struct cred *old_cred;
struct cred *override_cred;
@@ -426,12 +431,17 @@ out:
return res;
}
+SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
+{
+ return do_faccessat(dfd, filename, mode);
+}
+
SYSCALL_DEFINE2(access, const char __user *, filename, int, mode)
{
- return sys_faccessat(AT_FDCWD, filename, mode);
+ return do_faccessat(AT_FDCWD, filename, mode);
}
-SYSCALL_DEFINE1(chdir, const char __user *, filename)
+int ksys_chdir(const char __user *filename)
{
struct path path;
int error;
@@ -457,6 +467,11 @@ out:
return error;
}
+SYSCALL_DEFINE1(chdir, const char __user *, filename)
+{
+ return ksys_chdir(filename);
+}
+
SYSCALL_DEFINE1(fchdir, unsigned int, fd)
{
struct fd f = fdget_raw(fd);
@@ -479,7 +494,7 @@ out:
return error;
}
-SYSCALL_DEFINE1(chroot, const char __user *, filename)
+int ksys_chroot(const char __user *filename)
{
struct path path;
int error;
@@ -512,6 +527,11 @@ out:
return error;
}
+SYSCALL_DEFINE1(chroot, const char __user *, filename)
+{
+ return ksys_chroot(filename);
+}
+
static int chmod_common(const struct path *path, umode_t mode)
{
struct inode *inode = path->dentry->d_inode;
@@ -541,7 +561,7 @@ out_unlock:
return error;
}
-SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode)
+int ksys_fchmod(unsigned int fd, umode_t mode)
{
struct fd f = fdget(fd);
int err = -EBADF;
@@ -554,7 +574,12 @@ SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode)
return err;
}
-SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode)
+SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode)
+{
+ return ksys_fchmod(fd, mode);
+}
+
+int do_fchmodat(int dfd, const char __user *filename, umode_t mode)
{
struct path path;
int error;
@@ -572,9 +597,15 @@ retry:
return error;
}
+SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename,
+ umode_t, mode)
+{
+ return do_fchmodat(dfd, filename, mode);
+}
+
SYSCALL_DEFINE2(chmod, const char __user *, filename, umode_t, mode)
{
- return sys_fchmodat(AT_FDCWD, filename, mode);
+ return do_fchmodat(AT_FDCWD, filename, mode);
}
static int chown_common(const struct path *path, uid_t user, gid_t group)
@@ -619,8 +650,8 @@ retry_deleg:
return error;
}
-SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
- gid_t, group, int, flag)
+int do_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group,
+ int flag)
{
struct path path;
int error = -EINVAL;
@@ -651,18 +682,24 @@ out:
return error;
}
+SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
+ gid_t, group, int, flag)
+{
+ return do_fchownat(dfd, filename, user, group, flag);
+}
+
SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)
{
- return sys_fchownat(AT_FDCWD, filename, user, group, 0);
+ return do_fchownat(AT_FDCWD, filename, user, group, 0);
}
SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group)
{
- return sys_fchownat(AT_FDCWD, filename, user, group,
- AT_SYMLINK_NOFOLLOW);
+ return do_fchownat(AT_FDCWD, filename, user, group,
+ AT_SYMLINK_NOFOLLOW);
}
-SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
+int ksys_fchown(unsigned int fd, uid_t user, gid_t group)
{
struct fd f = fdget(fd);
int error = -EBADF;
@@ -682,6 +719,11 @@ out:
return error;
}
+SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
+{
+ return ksys_fchown(fd, user, group);
+}
+
int open_check_o_direct(struct file *f)
{
/* NB: we're sure to have correct a_ops only after f_op->open */
@@ -1114,7 +1156,7 @@ COMPAT_SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, fla
*/
SYSCALL_DEFINE2(creat, const char __user *, pathname, umode_t, mode)
{
- return sys_open(pathname, O_CREAT | O_WRONLY | O_TRUNC, mode);
+ return ksys_open(pathname, O_CREAT | O_WRONLY | O_TRUNC, mode);
}
#endif
@@ -1163,7 +1205,6 @@ SYSCALL_DEFINE1(close, unsigned int, fd)
return retval;
}
-EXPORT_SYMBOL(sys_close);
/*
* This routine simulates a hangup on the tty, to arrange that users
diff --git a/fs/pipe.c b/fs/pipe.c
index 7b1954caf388..39d6f431da83 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -841,7 +841,7 @@ int do_pipe_flags(int *fd, int flags)
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way Unix traditionally does this, though.
*/
-SYSCALL_DEFINE2(pipe2, int __user *, fildes, int, flags)
+static int do_pipe2(int __user *fildes, int flags)
{
struct file *files[2];
int fd[2];
@@ -863,9 +863,14 @@ SYSCALL_DEFINE2(pipe2, int __user *, fildes, int, flags)
return error;
}
+SYSCALL_DEFINE2(pipe2, int __user *, fildes, int, flags)
+{
+ return do_pipe2(fildes, flags);
+}
+
SYSCALL_DEFINE1(pipe, int __user *, fildes)
{
- return sys_pipe2(fildes, 0);
+ return do_pipe2(fildes, 0);
}
static int wait_for_partner(struct pipe_inode_info *pipe, unsigned int *cnt)
diff --git a/fs/quota/compat.c b/fs/quota/compat.c
index 779caed4f078..c30572857619 100644
--- a/fs/quota/compat.c
+++ b/fs/quota/compat.c
@@ -41,8 +41,9 @@ struct compat_fs_quota_stat {
__u16 qs_iwarnlimit;
};
-asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special,
- qid_t id, void __user *addr)
+COMPAT_SYSCALL_DEFINE4(quotactl32, unsigned int, cmd,
+ const char __user *, special, qid_t, id,
+ void __user *, addr)
{
unsigned int cmds;
struct if_dqblk __user *dqblk;
@@ -59,7 +60,7 @@ asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special,
case Q_GETQUOTA:
dqblk = compat_alloc_user_space(sizeof(struct if_dqblk));
compat_dqblk = addr;
- ret = sys_quotactl(cmd, special, id, dqblk);
+ ret = kernel_quotactl(cmd, special, id, dqblk);
if (ret)
break;
if (copy_in_user(compat_dqblk, dqblk, sizeof(*compat_dqblk)) ||
@@ -75,12 +76,12 @@ asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special,
get_user(data, &compat_dqblk->dqb_valid) ||
put_user(data, &dqblk->dqb_valid))
break;
- ret = sys_quotactl(cmd, special, id, dqblk);
+ ret = kernel_quotactl(cmd, special, id, dqblk);
break;
case Q_XGETQSTAT:
fsqstat = compat_alloc_user_space(sizeof(struct fs_quota_stat));
compat_fsqstat = addr;
- ret = sys_quotactl(cmd, special, id, fsqstat);
+ ret = kernel_quotactl(cmd, special, id, fsqstat);
if (ret)
break;
ret = -EFAULT;
@@ -113,7 +114,7 @@ asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special,
ret = 0;
break;
default:
- ret = sys_quotactl(cmd, special, id, addr);
+ ret = kernel_quotactl(cmd, special, id, addr);
}
return ret;
}
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index 43612e2a73af..860bfbe7a07a 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -833,8 +833,8 @@ static struct super_block *quotactl_block(const char __user *special, int cmd)
* calls. Maybe we need to add the process quotas etc. in the future,
* but we probably should use rlimits for that.
*/
-SYSCALL_DEFINE4(quotactl, unsigned int, cmd, const char __user *, special,
- qid_t, id, void __user *, addr)
+int kernel_quotactl(unsigned int cmd, const char __user *special,
+ qid_t id, void __user *addr)
{
uint cmds, type;
struct super_block *sb = NULL;
@@ -885,3 +885,9 @@ out:
path_put(pathp);
return ret;
}
+
+SYSCALL_DEFINE4(quotactl, unsigned int, cmd, const char __user *, special,
+ qid_t, id, void __user *, addr)
+{
+ return kernel_quotactl(cmd, special, id, addr);
+}
diff --git a/fs/read_write.c b/fs/read_write.c
index f8547b82dfb3..c4eabbfc90df 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -301,7 +301,7 @@ loff_t vfs_llseek(struct file *file, loff_t offset, int whence)
}
EXPORT_SYMBOL(vfs_llseek);
-SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence)
+off_t ksys_lseek(unsigned int fd, off_t offset, unsigned int whence)
{
off_t retval;
struct fd f = fdget_pos(fd);
@@ -319,10 +319,15 @@ SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence)
return retval;
}
+SYSCALL_DEFINE3(lseek, unsigned int, fd, off_t, offset, unsigned int, whence)
+{
+ return ksys_lseek(fd, offset, whence);
+}
+
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE3(lseek, unsigned int, fd, compat_off_t, offset, unsigned int, whence)
{
- return sys_lseek(fd, offset, whence);
+ return ksys_lseek(fd, offset, whence);
}
#endif
@@ -563,7 +568,7 @@ static inline void file_pos_write(struct file *file, loff_t pos)
file->f_pos = pos;
}
-SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
+ssize_t ksys_read(unsigned int fd, char __user *buf, size_t count)
{
struct fd f = fdget_pos(fd);
ssize_t ret = -EBADF;
@@ -578,8 +583,12 @@ SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
return ret;
}
-SYSCALL_DEFINE3(write, unsigned int, fd, const char __user *, buf,
- size_t, count)
+SYSCALL_DEFINE3(read, unsigned int, fd, char __user *, buf, size_t, count)
+{
+ return ksys_read(fd, buf, count);
+}
+
+ssize_t ksys_write(unsigned int fd, const char __user *buf, size_t count)
{
struct fd f = fdget_pos(fd);
ssize_t ret = -EBADF;
@@ -595,8 +604,14 @@ SYSCALL_DEFINE3(write, unsigned int, fd, const char __user *, buf,
return ret;
}
-SYSCALL_DEFINE4(pread64, unsigned int, fd, char __user *, buf,
- size_t, count, loff_t, pos)
+SYSCALL_DEFINE3(write, unsigned int, fd, const char __user *, buf,
+ size_t, count)
+{
+ return ksys_write(fd, buf, count);
+}
+
+ssize_t ksys_pread64(unsigned int fd, char __user *buf, size_t count,
+ loff_t pos)
{
struct fd f;
ssize_t ret = -EBADF;
@@ -615,8 +630,14 @@ SYSCALL_DEFINE4(pread64, unsigned int, fd, char __user *, buf,
return ret;
}
-SYSCALL_DEFINE4(pwrite64, unsigned int, fd, const char __user *, buf,
- size_t, count, loff_t, pos)
+SYSCALL_DEFINE4(pread64, unsigned int, fd, char __user *, buf,
+ size_t, count, loff_t, pos)
+{
+ return ksys_pread64(fd, buf, count, pos);
+}
+
+ssize_t ksys_pwrite64(unsigned int fd, const char __user *buf,
+ size_t count, loff_t pos)
{
struct fd f;
ssize_t ret = -EBADF;
@@ -635,6 +656,12 @@ SYSCALL_DEFINE4(pwrite64, unsigned int, fd, const char __user *, buf,
return ret;
}
+SYSCALL_DEFINE4(pwrite64, unsigned int, fd, const char __user *, buf,
+ size_t, count, loff_t, pos)
+{
+ return ksys_pwrite64(fd, buf, count, pos);
+}
+
static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter,
loff_t *ppos, int type, rwf_t flags)
{
diff --git a/fs/readdir.c b/fs/readdir.c
index 1b83b0ad183b..d97f548e6323 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -292,8 +292,8 @@ efault:
return -EFAULT;
}
-SYSCALL_DEFINE3(getdents64, unsigned int, fd,
- struct linux_dirent64 __user *, dirent, unsigned int, count)
+int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
+ unsigned int count)
{
struct fd f;
struct linux_dirent64 __user * lastdirent;
@@ -326,6 +326,13 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd,
return error;
}
+
+SYSCALL_DEFINE3(getdents64, unsigned int, fd,
+ struct linux_dirent64 __user *, dirent, unsigned int, count)
+{
+ return ksys_getdents64(fd, dirent, count);
+}
+
#ifdef CONFIG_COMPAT
struct compat_old_linux_dirent {
compat_ulong_t d_ino;
diff --git a/fs/select.c b/fs/select.c
index b6c36254028a..ba879c51288f 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -675,8 +675,8 @@ out_nofds:
return ret;
}
-SYSCALL_DEFINE5(select, int, n, fd_set __user *, inp, fd_set __user *, outp,
- fd_set __user *, exp, struct timeval __user *, tvp)
+static int kern_select(int n, fd_set __user *inp, fd_set __user *outp,
+ fd_set __user *exp, struct timeval __user *tvp)
{
struct timespec64 end_time, *to = NULL;
struct timeval tv;
@@ -699,6 +699,12 @@ SYSCALL_DEFINE5(select, int, n, fd_set __user *, inp, fd_set __user *, outp,
return ret;
}
+SYSCALL_DEFINE5(select, int, n, fd_set __user *, inp, fd_set __user *, outp,
+ fd_set __user *, exp, struct timeval __user *, tvp)
+{
+ return kern_select(n, inp, outp, exp, tvp);
+}
+
static long do_pselect(int n, fd_set __user *inp, fd_set __user *outp,
fd_set __user *exp, struct timespec __user *tsp,
const sigset_t __user *sigmask, size_t sigsetsize)
@@ -784,7 +790,7 @@ SYSCALL_DEFINE1(old_select, struct sel_arg_struct __user *, arg)
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
- return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
+ return kern_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
#endif
@@ -1259,9 +1265,9 @@ out_nofds:
return ret;
}
-COMPAT_SYSCALL_DEFINE5(select, int, n, compat_ulong_t __user *, inp,
- compat_ulong_t __user *, outp, compat_ulong_t __user *, exp,
- struct compat_timeval __user *, tvp)
+static int do_compat_select(int n, compat_ulong_t __user *inp,
+ compat_ulong_t __user *outp, compat_ulong_t __user *exp,
+ struct compat_timeval __user *tvp)
{
struct timespec64 end_time, *to = NULL;
struct compat_timeval tv;
@@ -1284,6 +1290,13 @@ COMPAT_SYSCALL_DEFINE5(select, int, n, compat_ulong_t __user *, inp,
return ret;
}
+COMPAT_SYSCALL_DEFINE5(select, int, n, compat_ulong_t __user *, inp,
+ compat_ulong_t __user *, outp, compat_ulong_t __user *, exp,
+ struct compat_timeval __user *, tvp)
+{
+ return do_compat_select(n, inp, outp, exp, tvp);
+}
+
struct compat_sel_arg_struct {
compat_ulong_t n;
compat_uptr_t inp;
@@ -1298,8 +1311,8 @@ COMPAT_SYSCALL_DEFINE1(old_select, struct compat_sel_arg_struct __user *, arg)
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
- return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
- compat_ptr(a.exp), compat_ptr(a.tvp));
+ return do_compat_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
+ compat_ptr(a.exp), compat_ptr(a.tvp));
}
static long do_compat_pselect(int n, compat_ulong_t __user *inp,
diff --git a/fs/signalfd.c b/fs/signalfd.c
index 76bf9cc62074..d2187a813376 100644
--- a/fs/signalfd.c
+++ b/fs/signalfd.c
@@ -256,8 +256,8 @@ static const struct file_operations signalfd_fops = {
.llseek = noop_llseek,
};
-SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
- size_t, sizemask, int, flags)
+static int do_signalfd4(int ufd, sigset_t __user *user_mask, size_t sizemask,
+ int flags)
{
sigset_t sigmask;
struct signalfd_ctx *ctx;
@@ -310,17 +310,22 @@ SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
return ufd;
}
+SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
+ size_t, sizemask, int, flags)
+{
+ return do_signalfd4(ufd, user_mask, sizemask, flags);
+}
+
SYSCALL_DEFINE3(signalfd, int, ufd, sigset_t __user *, user_mask,
size_t, sizemask)
{
- return sys_signalfd4(ufd, user_mask, sizemask, 0);
+ return do_signalfd4(ufd, user_mask, sizemask, 0);
}
#ifdef CONFIG_COMPAT
-COMPAT_SYSCALL_DEFINE4(signalfd4, int, ufd,
- const compat_sigset_t __user *,sigmask,
- compat_size_t, sigsetsize,
- int, flags)
+static long do_compat_signalfd4(int ufd,
+ const compat_sigset_t __user *sigmask,
+ compat_size_t sigsetsize, int flags)
{
sigset_t tmp;
sigset_t __user *ksigmask;
@@ -333,13 +338,21 @@ COMPAT_SYSCALL_DEFINE4(signalfd4, int, ufd,
if (copy_to_user(ksigmask, &tmp, sizeof(sigset_t)))
return -EFAULT;
- return sys_signalfd4(ufd, ksigmask, sizeof(sigset_t), flags);
+ return do_signalfd4(ufd, ksigmask, sizeof(sigset_t), flags);
+}
+
+COMPAT_SYSCALL_DEFINE4(signalfd4, int, ufd,
+ const compat_sigset_t __user *, sigmask,
+ compat_size_t, sigsetsize,
+ int, flags)
+{
+ return do_compat_signalfd4(ufd, sigmask, sigsetsize, flags);
}
COMPAT_SYSCALL_DEFINE3(signalfd, int, ufd,
const compat_sigset_t __user *,sigmask,
compat_size_t, sigsetsize)
{
- return compat_sys_signalfd4(ufd, sigmask, sigsetsize, 0);
+ return do_compat_signalfd4(ufd, sigmask, sigsetsize, 0);
}
#endif
diff --git a/fs/splice.c b/fs/splice.c
index 39e2dc01ac12..005d09cf3fa8 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -1331,8 +1331,8 @@ static long vmsplice_to_pipe(struct file *file, const struct iovec __user *uiov,
* Currently we punt and implement it as a normal copy, see pipe_to_user().
*
*/
-SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, iov,
- unsigned long, nr_segs, unsigned int, flags)
+static long do_vmsplice(int fd, const struct iovec __user *iov,
+ unsigned long nr_segs, unsigned int flags)
{
struct fd f;
long error;
@@ -1358,6 +1358,12 @@ SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, iov,
return error;
}
+SYSCALL_DEFINE4(vmsplice, int, fd, const struct iovec __user *, iov,
+ unsigned long, nr_segs, unsigned int, flags)
+{
+ return do_vmsplice(fd, iov, nr_segs, flags);
+}
+
#ifdef CONFIG_COMPAT
COMPAT_SYSCALL_DEFINE4(vmsplice, int, fd, const struct compat_iovec __user *, iov32,
unsigned int, nr_segs, unsigned int, flags)
@@ -1375,7 +1381,7 @@ COMPAT_SYSCALL_DEFINE4(vmsplice, int, fd, const struct compat_iovec __user *, io
put_user(v.iov_len, &iov[i].iov_len))
return -EFAULT;
}
- return sys_vmsplice(fd, iov, nr_segs, flags);
+ return do_vmsplice(fd, iov, nr_segs, flags);
}
#endif
diff --git a/fs/stat.c b/fs/stat.c
index 873785dae022..f8e6fb2c3657 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -379,8 +379,8 @@ SYSCALL_DEFINE2(newfstat, unsigned int, fd, struct stat __user *, statbuf)
return error;
}
-SYSCALL_DEFINE4(readlinkat, int, dfd, const char __user *, pathname,
- char __user *, buf, int, bufsiz)
+static int do_readlinkat(int dfd, const char __user *pathname,
+ char __user *buf, int bufsiz)
{
struct path path;
int error;
@@ -415,10 +415,16 @@ retry:
return error;
}
+SYSCALL_DEFINE4(readlinkat, int, dfd, const char __user *, pathname,
+ char __user *, buf, int, bufsiz)
+{
+ return do_readlinkat(dfd, pathname, buf, bufsiz);
+}
+
SYSCALL_DEFINE3(readlink, const char __user *, path, char __user *, buf,
int, bufsiz)
{
- return sys_readlinkat(AT_FDCWD, path, buf, bufsiz);
+ return do_readlinkat(AT_FDCWD, path, buf, bufsiz);
}
diff --git a/fs/sync.c b/fs/sync.c
index 6e0a2cbaf6de..9908a114d506 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -105,7 +105,7 @@ static void fdatawait_one_bdev(struct block_device *bdev, void *arg)
* just write metadata (such as inodes or bitmaps) to block device page cache
* and do not sync it on their own in ->sync_fs().
*/
-SYSCALL_DEFINE0(sync)
+void ksys_sync(void)
{
int nowait = 0, wait = 1;
@@ -117,6 +117,11 @@ SYSCALL_DEFINE0(sync)
iterate_bdevs(fdatawait_one_bdev, NULL);
if (unlikely(laptop_mode))
laptop_sync_completion();
+}
+
+SYSCALL_DEFINE0(sync)
+{
+ ksys_sync();
return 0;
}
@@ -280,8 +285,8 @@ SYSCALL_DEFINE1(fdatasync, unsigned int, fd)
* already-instantiated disk blocks, there are no guarantees here that the data
* will be available after a crash.
*/
-SYSCALL_DEFINE4(sync_file_range, int, fd, loff_t, offset, loff_t, nbytes,
- unsigned int, flags)
+int ksys_sync_file_range(int fd, loff_t offset, loff_t nbytes,
+ unsigned int flags)
{
int ret;
struct fd f;
@@ -359,10 +364,16 @@ out:
return ret;
}
+SYSCALL_DEFINE4(sync_file_range, int, fd, loff_t, offset, loff_t, nbytes,
+ unsigned int, flags)
+{
+ return ksys_sync_file_range(fd, offset, nbytes, flags);
+}
+
/* It would be nice if people remember that not all the world's an i386
when they introduce new system calls */
SYSCALL_DEFINE4(sync_file_range2, int, fd, unsigned int, flags,
loff_t, offset, loff_t, nbytes)
{
- return sys_sync_file_range(fd, offset, nbytes, flags);
+ return ksys_sync_file_range(fd, offset, nbytes, flags);
}
diff --git a/fs/utimes.c b/fs/utimes.c
index e4b3d7c2c9f5..69d4b6ba1bfb 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -184,8 +184,8 @@ SYSCALL_DEFINE4(utimensat, int, dfd, const char __user *, filename,
return do_utimes(dfd, filename, utimes ? tstimes : NULL, flags);
}
-SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename,
- struct timeval __user *, utimes)
+static long do_futimesat(int dfd, const char __user *filename,
+ struct timeval __user *utimes)
{
struct timeval times[2];
struct timespec64 tstimes[2];
@@ -212,10 +212,17 @@ SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename,
return do_utimes(dfd, filename, utimes ? tstimes : NULL, 0);
}
+
+SYSCALL_DEFINE3(futimesat, int, dfd, const char __user *, filename,
+ struct timeval __user *, utimes)
+{
+ return do_futimesat(dfd, filename, utimes);
+}
+
SYSCALL_DEFINE2(utimes, char __user *, filename,
struct timeval __user *, utimes)
{
- return sys_futimesat(AT_FDCWD, filename, utimes);
+ return do_futimesat(AT_FDCWD, filename, utimes);
}
#ifdef CONFIG_COMPAT
@@ -253,7 +260,8 @@ COMPAT_SYSCALL_DEFINE4(utimensat, unsigned int, dfd, const char __user *, filena
return do_utimes(dfd, filename, t ? tv : NULL, flags);
}
-COMPAT_SYSCALL_DEFINE3(futimesat, unsigned int, dfd, const char __user *, filename, struct compat_timeval __user *, t)
+static long do_compat_futimesat(unsigned int dfd, const char __user *filename,
+ struct compat_timeval __user *t)
{
struct timespec64 tv[2];
@@ -272,8 +280,15 @@ COMPAT_SYSCALL_DEFINE3(futimesat, unsigned int, dfd, const char __user *, filena
return do_utimes(dfd, filename, t ? tv : NULL, 0);
}
+COMPAT_SYSCALL_DEFINE3(futimesat, unsigned int, dfd,
+ const char __user *, filename,
+ struct compat_timeval __user *, t)
+{
+ return do_compat_futimesat(dfd, filename, t);
+}
+
COMPAT_SYSCALL_DEFINE2(utimes, const char __user *, filename, struct compat_timeval __user *, t)
{
- return compat_sys_futimesat(AT_FDCWD, filename, t);
+ return do_compat_futimesat(AT_FDCWD, filename, t);
}
#endif