[2.6.0-test1] vfsmount_lock-fix

Maneesh Soni
2003-07-14T08:02:16Z

Hi,

Please apply this patch for replacing dcache_lock with vfsmount_lock in
put_namespace(). This was one obvious thing for which I felt very bad to miss.
Tested with CLONE_NEWNS flag also.

Thanks
Maneesh

- fix put_namespace() in namespace.h (replace dcache_lock with vfsmount_lock)

include/linux/namespace.h | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)

diff -puN include/linux/namespace.h~vfsmount_lock-fix include/linux/namespace.h
--- linux-2.6.0-test1/include/linux/namespace.h~vfsmount_lock-fix 2003-07-14 12:24:33.000000000 +0530
+++ linux-2.6.0-test1-maneesh/include/linux/namespace.h 2003-07-14 12:24:33.000000000 +0530
@@ -2,7 +2,7 @@
#define _NAMESPACE_H_
#ifdef __KERNEL__

-#include <linux/dcache.h>
+#include <linux/mount.h>
#include <linux/sched.h>

struct namespace {
@@ -19,9 +19,9 @@ static inline void put_namespace(struct
{
if (atomic_dec_and_test(&namespace->count)) {
down_write(&namespace->sem);
- spin_lock(&dcache_lock);
+ spin_lock(&vfsmount_lock);
umount_tree(namespace->root);
- spin_unlock(&dcache_lock);
+ spin_unlock(&vfsmount_lock);
up_write(&namespace->sem);
kfree(namespace);
}

_
--
Maneesh Soni
IBM Linux Technology Center,
IBM India Software Lab, Bangalore.
Phone: +91-80-5044999 email: maneesh@in.ibm.com