linux-kernel - [PATCH] make fanotify_read() restartable across signals

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Date:	Fri, 29 Oct 2010 12:06:42 +0200
From:	Lino Sanfilippo <LinoSanfilippo@....de>
To:	eparis@...hat.com
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [PATCH] make fanotify_read() restartable across signals


    In fanotify_read() return -ERESTARTSYS instead of -EINTR to
    make read() restartable across signals (BSD semantic).
---
This patch applies against commit 3970d817558a426cc2f53eaa01182eb9452e0cb1
of branch 'origin/for-next' from git.infradead.org/users/eparis/notify.git

diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 8c9fd35..99a8e60 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -330,7 +330,7 @@ static ssize_t fanotify_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;
 
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