[PATCH] vfs: *at functions: core

[linux-2.6-omap-h63xx.git] / fs / compat.c

diff --git a/fs/compat.c b/fs/compat.c
index 2468ac1df2f04cf5cfc1bde19b4924c9f135ce09..c6ba9deabada4a54f201fee076f9b28ab2915e54 100644 (file)
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -68,10 +68,10 @@ asmlinkage long compat_sys_utime(char __user *filename, struct compat_utimbuf __
                tv[0].tv_usec = 0;
                tv[1].tv_usec = 0;
        }
-       return do_utimes(filename, t ? tv : NULL);
+       return do_utimes(AT_FDCWD, filename, t ? tv : NULL);
 }
 
-asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval __user *t)
+asmlinkage long compat_sys_futimesat(int dfd, char __user *filename, struct compat_timeval __user *t)
 {
        struct timeval tv[2];
 
@@ -82,14 +82,19 @@ asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval _
                    get_user(tv[1].tv_usec, &t[1].tv_usec))
                        return -EFAULT; 
        } 
-       return do_utimes(filename, t ? tv : NULL);
+       return do_utimes(dfd, filename, t ? tv : NULL);
+}
+
+asmlinkage long compat_sys_utimes(char __user *filename, struct compat_timeval __user *t)
+{
+       return compat_sys_futimesat(AT_FDCWD, filename, t);
 }
 
 asmlinkage long compat_sys_newstat(char __user * filename,
                struct compat_stat __user *statbuf)
 {
        struct kstat stat;
-       int error = vfs_stat(filename, &stat);
+       int error = vfs_stat_fd(AT_FDCWD, filename, &stat);
 
        if (!error)
                error = cp_compat_stat(&stat, statbuf);
@@ -100,13 +105,34 @@ asmlinkage long compat_sys_newlstat(char __user * filename,
                struct compat_stat __user *statbuf)
 {
        struct kstat stat;
-       int error = vfs_lstat(filename, &stat);
+       int error = vfs_lstat_fd(AT_FDCWD, filename, &stat);
 
        if (!error)
                error = cp_compat_stat(&stat, statbuf);
        return error;
 }
 
+asmlinkage long compat_sys_newfstatat(int dfd, char __user *filename,
+               struct compat_stat __user *statbuf, int flag)
+{
+       struct kstat stat;
+       int error = -EINVAL;
+
+       if ((flag & ~AT_SYMLINK_NOFOLLOW) != 0)
+               goto out;
+
+       if (flag & AT_SYMLINK_NOFOLLOW)
+               error = vfs_lstat_fd(dfd, filename, &stat);
+       else
+               error = vfs_stat_fd(dfd, filename, &stat);
+
+       if (!error)
+               error = cp_compat_stat(&stat, statbuf);
+
+out:
+       return error;
+}
+
 asmlinkage long compat_sys_newfstat(unsigned int fd,
                struct compat_stat __user * statbuf)
 {
@@ -1290,7 +1316,17 @@ out:
 asmlinkage long
 compat_sys_open(const char __user *filename, int flags, int mode)
 {
-       return do_sys_open(filename, flags, mode);
+       return do_sys_open(AT_FDCWD, filename, flags, mode);
+}
+
+/*
+ * Exactly like fs/open.c:sys_openat(), except that it doesn't set the
+ * O_LARGEFILE flag.
+ */
+asmlinkage long
+compat_sys_openat(int dfd, const char __user *filename, int flags, int mode)
+{
+       return do_sys_open(dfd, filename, flags, mode);
 }
 
 /*