Commit 269f2134 authored May 03, 2008 by Ulrich Drepper Committed by Linus Torvalds May 03, 2008

tiny mq_open optimization



A very small cleanup for mq_open.

We do not have to call set_close_on_exit if we create the file
descriptor right away with the flag set.  We have a function for this
now.  The resulting code is smaller and a tiny bit faster.

Signed-off-by: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent d35c7b0e

ipc/mqueue.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -673,7 +673,7 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode,
		if (IS_ERR(name = getname(u_name)))
		return PTR_ERR(name);

		fd = get_unused_fd();
		fd = get_unused_fd_flags(O_CLOEXEC);
		if (fd < 0)
		goto out_putname;

		@@ -709,7 +709,6 @@ asmlinkage long sys_mq_open(const char __user *u_name, int oflag, mode_t mode,
		goto out_putfd;
		}

		set_close_on_exec(fd, 1);
		fd_install(fd, filp);
		goto out_upsem;