imported kvme080 board support patch from

[powerpc.git] / ipc / mqueue.c

diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 02717f7..d17821d 100644 (file)
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -84,8 +84,8 @@ struct mqueue_inode_info {
        unsigned long qsize; /* size of queue in memory (sum of all msgs) */
 };
 
-static struct inode_operations mqueue_dir_inode_operations;
-static struct file_operations mqueue_file_operations;
+static const struct inode_operations mqueue_dir_inode_operations;
+static const struct file_operations mqueue_file_operations;
 static struct super_operations mqueue_super_ops;
 static void remove_notification(struct mqueue_inode_info *info);
 
@@ -215,8 +215,7 @@ static void init_once(void *foo, struct kmem_cache * cachep, unsigned long flags
 {
        struct mqueue_inode_info *p = (struct mqueue_inode_info *) foo;
 
-       if ((flags & (SLAB_CTOR_VERIFY | SLAB_CTOR_CONSTRUCTOR)) ==
-               SLAB_CTOR_CONSTRUCTOR)
+       if (flags & SLAB_CTOR_CONSTRUCTOR)
                inode_init_once(&p->vfs_inode);
 }
 
@@ -731,7 +730,8 @@ asmlinkage long sys_mq_unlink(const char __user *u_name)
        if (IS_ERR(name))
                return PTR_ERR(name);
 
-       mutex_lock(&mqueue_mnt->mnt_root->d_inode->i_mutex);
+       mutex_lock_nested(&mqueue_mnt->mnt_root->d_inode->i_mutex,
+                       I_MUTEX_PARENT);
        dentry = lookup_one_len(name, mqueue_mnt->mnt_root, strlen(name));
        if (IS_ERR(dentry)) {
                err = PTR_ERR(dentry);
@@ -1160,13 +1160,13 @@ out:
        return ret;
 }
 
-static struct inode_operations mqueue_dir_inode_operations = {
+static const struct inode_operations mqueue_dir_inode_operations = {
        .lookup = simple_lookup,
        .create = mqueue_create,
        .unlink = mqueue_unlink,
 };
 
-static struct file_operations mqueue_file_operations = {
+static const struct file_operations mqueue_file_operations = {
        .flush = mqueue_flush_file,
        .poll = mqueue_poll_file,
        .read = mqueue_read_file,
@@ -1255,7 +1255,7 @@ static int __init init_mqueue_fs(void)
                return -ENOMEM;
 
        /* ignore failues - they are not fatal */
-       mq_sysctl_table = register_sysctl_table(mq_sysctl_root, 0);
+       mq_sysctl_table = register_sysctl_table(mq_sysctl_root);
 
        error = register_filesystem(&mqueue_fs_type);
        if (error)