summaryrefslogtreecommitdiffstats
path: root/fs/open.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/open.c')
-rw-r--r--fs/open.c82
1 files changed, 49 insertions, 33 deletions
diff --git a/fs/open.c b/fs/open.c
index d882fd2351d6..a3a78ceb2a2b 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -122,7 +122,7 @@ static int vfs_statfs64(struct dentry *dentry, struct statfs64 *buf)
return 0;
}
-asmlinkage long sys_statfs(const char __user *pathname, struct statfs __user * buf)
+SYSCALL_DEFINE2(statfs, const char __user *, pathname, struct statfs __user *, buf)
{
struct path path;
int error;
@@ -138,8 +138,7 @@ asmlinkage long sys_statfs(const char __user *pathname, struct statfs __user * b
return error;
}
-
-asmlinkage long sys_statfs64(const char __user *pathname, size_t sz, struct statfs64 __user *buf)
+SYSCALL_DEFINE3(statfs64, const char __user *, pathname, size_t, sz, struct statfs64 __user *, buf)
{
struct path path;
long error;
@@ -157,8 +156,7 @@ asmlinkage long sys_statfs64(const char __user *pathname, size_t sz, struct stat
return error;
}
-
-asmlinkage long sys_fstatfs(unsigned int fd, struct statfs __user * buf)
+SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct statfs __user *, buf)
{
struct file * file;
struct statfs tmp;
@@ -176,7 +174,7 @@ out:
return error;
}
-asmlinkage long sys_fstatfs64(unsigned int fd, size_t sz, struct statfs64 __user *buf)
+SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user *, buf)
{
struct file * file;
struct statfs64 tmp;
@@ -289,7 +287,7 @@ out:
return error;
}
-asmlinkage long sys_truncate(const char __user * path, unsigned long length)
+SYSCALL_DEFINE2(truncate, const char __user *, path, unsigned long, length)
{
/* on 32-bit boxen it will cut the range 2^31--2^32-1 off */
return do_sys_truncate(path, (long)length);
@@ -341,7 +339,7 @@ out:
return error;
}
-asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length)
+SYSCALL_DEFINE2(ftruncate, unsigned int, fd, unsigned long, length)
{
long ret = do_sys_ftruncate(fd, length, 1);
/* avoid REGPARM breakage on x86: */
@@ -351,21 +349,35 @@ asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length)
/* LFS versions of truncate are only needed on 32 bit machines */
#if BITS_PER_LONG == 32
-asmlinkage long sys_truncate64(const char __user * path, loff_t length)
+SYSCALL_DEFINE(truncate64)(const char __user * path, loff_t length)
{
return do_sys_truncate(path, length);
}
+#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
+asmlinkage long SyS_truncate64(long path, loff_t length)
+{
+ return SYSC_truncate64((const char __user *) path, length);
+}
+SYSCALL_ALIAS(sys_truncate64, SyS_truncate64);
+#endif
-asmlinkage long sys_ftruncate64(unsigned int fd, loff_t length)
+SYSCALL_DEFINE(ftruncate64)(unsigned int fd, loff_t length)
{
long ret = do_sys_ftruncate(fd, length, 0);
/* avoid REGPARM breakage on x86: */
asmlinkage_protect(2, ret, fd, length);
return ret;
}
+#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
+asmlinkage long SyS_ftruncate64(long fd, loff_t length)
+{
+ return SYSC_ftruncate64((unsigned int) fd, length);
+}
+SYSCALL_ALIAS(sys_ftruncate64, SyS_ftruncate64);
#endif
+#endif /* BITS_PER_LONG == 32 */
-asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len)
+SYSCALL_DEFINE(fallocate)(int fd, int mode, loff_t offset, loff_t len)
{
struct file *file;
struct inode *inode;
@@ -422,13 +434,20 @@ out_fput:
out:
return ret;
}
+#ifdef CONFIG_HAVE_SYSCALL_WRAPPERS
+asmlinkage long SyS_fallocate(long fd, long mode, loff_t offset, loff_t len)
+{
+ return SYSC_fallocate((int)fd, (int)mode, offset, len);
+}
+SYSCALL_ALIAS(sys_fallocate, SyS_fallocate);
+#endif
/*
* 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.
*/
-asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode)
+SYSCALL_DEFINE3(faccessat, int, dfd, const char __user *, filename, int, mode)
{
const struct cred *old_cred;
struct cred *override_cred;
@@ -498,12 +517,12 @@ out:
return res;
}
-asmlinkage long sys_access(const char __user *filename, int mode)
+SYSCALL_DEFINE2(access, const char __user *, filename, int, mode)
{
return sys_faccessat(AT_FDCWD, filename, mode);
}
-asmlinkage long sys_chdir(const char __user * filename)
+SYSCALL_DEFINE1(chdir, const char __user *, filename)
{
struct path path;
int error;
@@ -524,7 +543,7 @@ out:
return error;
}
-asmlinkage long sys_fchdir(unsigned int fd)
+SYSCALL_DEFINE1(fchdir, unsigned int, fd)
{
struct file *file;
struct inode *inode;
@@ -550,7 +569,7 @@ out:
return error;
}
-asmlinkage long sys_chroot(const char __user * filename)
+SYSCALL_DEFINE1(chroot, const char __user *, filename)
{
struct path path;
int error;
@@ -575,7 +594,7 @@ out:
return error;
}
-asmlinkage long sys_fchmod(unsigned int fd, mode_t mode)
+SYSCALL_DEFINE2(fchmod, unsigned int, fd, mode_t, mode)
{
struct inode * inode;
struct dentry * dentry;
@@ -609,8 +628,7 @@ out:
return err;
}
-asmlinkage long sys_fchmodat(int dfd, const char __user *filename,
- mode_t mode)
+SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, mode_t, mode)
{
struct path path;
struct inode *inode;
@@ -639,7 +657,7 @@ out:
return error;
}
-asmlinkage long sys_chmod(const char __user *filename, mode_t mode)
+SYSCALL_DEFINE2(chmod, const char __user *, filename, mode_t, mode)
{
return sys_fchmodat(AT_FDCWD, filename, mode);
}
@@ -669,7 +687,7 @@ static int chown_common(struct dentry * dentry, uid_t user, gid_t group)
return error;
}
-asmlinkage long sys_chown(const char __user * filename, uid_t user, gid_t group)
+SYSCALL_DEFINE3(chown, const char __user *, filename, uid_t, user, gid_t, group)
{
struct path path;
int error;
@@ -688,8 +706,8 @@ out:
return error;
}
-asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user,
- gid_t group, int flag)
+SYSCALL_DEFINE5(fchownat, int, dfd, const char __user *, filename, uid_t, user,
+ gid_t, group, int, flag)
{
struct path path;
int error = -EINVAL;
@@ -713,7 +731,7 @@ out:
return error;
}
-asmlinkage long sys_lchown(const char __user * filename, uid_t user, gid_t group)
+SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group)
{
struct path path;
int error;
@@ -732,8 +750,7 @@ out:
return error;
}
-
-asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group)
+SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
{
struct file * file;
int error = -EBADF;
@@ -1029,7 +1046,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, int mode)
return fd;
}
-asmlinkage long sys_open(const char __user *filename, int flags, int mode)
+SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, int, mode)
{
long ret;
@@ -1042,8 +1059,8 @@ asmlinkage long sys_open(const char __user *filename, int flags, int mode)
return ret;
}
-asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
- int mode)
+SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, flags,
+ int, mode)
{
long ret;
@@ -1062,7 +1079,7 @@ asmlinkage long sys_openat(int dfd, const char __user *filename, int flags,
* For backward compatibility? Maybe this should be moved
* into arch/i386 instead?
*/
-asmlinkage long sys_creat(const char __user * pathname, int mode)
+SYSCALL_DEFINE2(creat, const char __user *, pathname, int, mode)
{
return sys_open(pathname, O_CREAT | O_WRONLY | O_TRUNC, mode);
}
@@ -1098,7 +1115,7 @@ EXPORT_SYMBOL(filp_close);
* releasing the fd. This ensures that one clone task can't release
* an fd while another clone is opening it.
*/
-asmlinkage long sys_close(unsigned int fd)
+SYSCALL_DEFINE1(close, unsigned int, fd)
{
struct file * filp;
struct files_struct *files = current->files;
@@ -1131,14 +1148,13 @@ out_unlock:
spin_unlock(&files->file_lock);
return -EBADF;
}
-
EXPORT_SYMBOL(sys_close);
/*
* This routine simulates a hangup on the tty, to arrange that users
* are given clean terminals at login time.
*/
-asmlinkage long sys_vhangup(void)
+SYSCALL_DEFINE0(vhangup)
{
if (capable(CAP_SYS_TTY_CONFIG)) {
tty_vhangup_self();
OpenPOWER on IntegriCloud