ext4: fix setup_new_group_blocks locking

[linux-2.6] / fs / namespace.c

diff --git a/fs/namespace.c b/fs/namespace.c
index c811a94e4c88066c929d6924633e6099efde3114..07daa797259184f1c4cd181cf09f04156bd4dabe 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -28,6 +28,7 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include "pnode.h"
+#include "internal.h"
 
 /* spinlock for vfsmount related operations, inplace of dcache_lock */
 __cacheline_aligned_in_smp DEFINE_SPINLOCK(vfsmount_lock);
@@ -1451,7 +1452,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
 
        new_ns = kmalloc(sizeof(struct mnt_namespace), GFP_KERNEL);
        if (!new_ns)
-               return NULL;
+               return ERR_PTR(-ENOMEM);
 
        atomic_set(&new_ns->count, 1);
        INIT_LIST_HEAD(&new_ns->list);
@@ -1465,7 +1466,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
        if (!new_ns->root) {
                up_write(&namespace_sem);
                kfree(new_ns);
-               return NULL;
+               return ERR_PTR(-ENOMEM);;
        }
        spin_lock(&vfsmount_lock);
        list_add_tail(&new_ns->list, &new_ns->root->mnt_list);
@@ -1509,7 +1510,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
        return new_ns;
 }
 
-struct mnt_namespace *copy_mnt_ns(int flags, struct mnt_namespace *ns,
+struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns,
                struct fs_struct *new_fs)
 {
        struct mnt_namespace *new_ns;
@@ -1790,7 +1791,7 @@ static void __init init_mount_tree(void)
        set_fs_root(current->fs, ns->root, ns->root->mnt_root);
 }
 
-void __init mnt_init(unsigned long mempages)
+void __init mnt_init(void)
 {
        struct list_head *d;
        unsigned int nr_hash;
@@ -1800,7 +1801,7 @@ void __init mnt_init(unsigned long mempages)
        init_rwsem(&namespace_sem);
 
        mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct vfsmount),
-                       0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL, NULL);
+                       0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
 
        mount_hashtable = (struct list_head *)__get_free_page(GFP_ATOMIC);