C11 threads ABI questions - enum values

[Christoph Hellwig]

On Sun, Oct 05, 2014 at 12:13:58PM -0400, Rich Felker wrote:
> Yes, the lack of support for fchown, fchmod, fstat, fstatfs, fchdir,

fstat, fstatfs and fchdir are already support on O_PATH descriptos, and
below is an untested patch for fchmod and fchown.

diff --git a/fs/open.c b/fs/open.c
index d6fd3ac..ee24720 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -512,7 +512,7 @@ out_unlock:
 
 SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode)
 {
-	struct fd f = fdget(fd);
+	struct fd f = fdget_raw(fd);
 	int err = -EBADF;
 
 	if (f.file) {
@@ -633,7 +633,7 @@ SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group
 
 SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group)
 {
-	struct fd f = fdget(fd);
+	struct fd f = fdget_raw(fd);
 	int error = -EBADF;
 
 	if (!f.file)