From: Eric Paris <eparis@redhat.com>
Date: Mon, 26 Mar 2012 17:07:59 +0000 (-0400)
Subject: inotify: automatically restart syscalls
X-Git-Tag: v3.8-rc1~11^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1ca39ab9d21ac93f94b9e3eb364ea9a5cf2aba06;p=platform%2Fkernel%2Flinux-exynos.git

inotify: automatically restart syscalls

We were mistakenly returning EINTR when we found an outstanding signal.
Instead we should returen ERESTARTSYS and allow the kernel to handle
things the right way.

Patch-from: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
---

diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index a6879d1..463e828 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -264,7 +264,7 @@ static ssize_t inotify_read(struct file *file, char __user *buf,
 		ret = -EAGAIN;
 		if (file->f_flags & O_NONBLOCK)
 			break;
-		ret = -EINTR;
+		ret = -ERESTARTSYS;
 		if (signal_pending(current))
 			break;