From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 16 Jun 2009 17:35:01 +0000 (-0400)
Subject: No instance of ->bmap() needs BKL
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=fe36adf47eb1f7f4972559efa30ce3d2d3f977f2;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

No instance of ->bmap() needs BKL

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 3120f8dd2c31..229d7b7c50a3 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -187,7 +187,7 @@ readpages:		no
 write_begin:		no	locks the page		yes
 write_end:		no	yes, unlocks		yes
 perform_write:		no	n/a			yes
-bmap:			yes
+bmap:			no
 invalidatepage:		no	yes
 releasepage:		no	yes
 direct_IO:		no
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 286f38dfc6c0..001f8d3118f2 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -70,9 +70,7 @@ static int ioctl_fibmap(struct file *filp, int __user *p)
 	res = get_user(block, p);
 	if (res)
 		return res;
-	lock_kernel();
 	res = mapping->a_ops->bmap(mapping, block);
-	unlock_kernel();
 	return put_user(res, p);
 }