summaryrefslogtreecommitdiff
path: root/fs/compat.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/compat.c')
-rw-r--r--fs/compat.c48
1 files changed, 42 insertions, 6 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 2468ac1df2f0..c6ba9deabada 100644
--- 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);
}
/*