From 0d2e2a1d00d7d23e5bd9bb0935cde7c3d5835c56 Mon Sep 17 00:00:00 2001
From: Eric Paris <eparis@redhat.com>
Date: Thu, 17 Dec 2009 21:24:22 -0500
Subject: fsnotify: drop mask argument from fsnotify_alloc_group

Nothing uses the mask argument to fsnotify_alloc_group.  This patch drops
that argument.

Signed-off-by: Eric Paris <eparis@redhat.com>

diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 51e4fe3..e0a847b 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -433,7 +433,7 @@ static int __init dnotify_init(void)
 	dnotify_struct_cache = KMEM_CACHE(dnotify_struct, SLAB_PANIC);
 	dnotify_mark_entry_cache = KMEM_CACHE(dnotify_mark_entry, SLAB_PANIC);
 
-	dnotify_group = fsnotify_alloc_group(0, &dnotify_fsnotify_ops);
+	dnotify_group = fsnotify_alloc_group(&dnotify_fsnotify_ops);
 	if (IS_ERR(dnotify_group))
 		panic("unable to allocate fsnotify group for dnotify\n");
 	return 0;
diff --git a/fs/notify/group.c b/fs/notify/group.c
index 1d20d26..1657349 100644
--- a/fs/notify/group.c
+++ b/fs/notify/group.c
@@ -164,8 +164,7 @@ void fsnotify_put_group(struct fsnotify_group *group)
 /*
  * Create a new fsnotify_group and hold a reference for the group returned.
  */
-struct fsnotify_group *fsnotify_alloc_group(__u32 mask,
-					    const struct fsnotify_ops *ops)
+struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops)
 {
 	struct fsnotify_group *group;
 
@@ -175,8 +174,6 @@ struct fsnotify_group *fsnotify_alloc_group(__u32 mask,
 
 	atomic_set(&group->refcnt, 1);
 
-	group->mask = mask;
-
 	mutex_init(&group->notification_mutex);
 	INIT_LIST_HEAD(&group->notification_list);
 	init_waitqueue_head(&group->notification_waitq);
@@ -196,8 +193,5 @@ struct fsnotify_group *fsnotify_alloc_group(__u32 mask,
 
 	mutex_unlock(&fsnotify_grp_mutex);
 
-	if (mask)
-		fsnotify_recalc_global_mask();
-
 	return group;
 }
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 25a2854..a48d68a 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -695,7 +695,7 @@ static struct fsnotify_group *inotify_new_group(struct user_struct *user, unsign
 {
 	struct fsnotify_group *group;
 
-	group = fsnotify_alloc_group(0, &inotify_fsnotify_ops);
+	group = fsnotify_alloc_group(&inotify_fsnotify_ops);
 	if (IS_ERR(group))
 		return group;
 
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 7d3c03e..5832604 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -305,8 +305,7 @@ static inline void __fsnotify_d_instantiate(struct dentry *dentry, struct inode
 /* must call when a group changes its ->mask */
 extern void fsnotify_recalc_global_mask(void);
 /* get a reference to an existing or create a new group */
-extern struct fsnotify_group *fsnotify_alloc_group(__u32 mask,
-						    const struct fsnotify_ops *ops);
+extern struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *ops);
 /* run all marks associated with this group and update group->mask */
 extern void fsnotify_recalc_group_mask(struct fsnotify_group *group);
 /* drop reference on a group from fsnotify_alloc_group */
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 813274d..04f1688 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -937,7 +937,7 @@ static int __init audit_tree_init(void)
 {
 	int i;
 
-	audit_tree_group = fsnotify_alloc_group(0, &audit_tree_ops);
+	audit_tree_group = fsnotify_alloc_group(&audit_tree_ops);
 	if (IS_ERR(audit_tree_group))
 		audit_panic("cannot initialize fsnotify group for rectree watches");
 
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 87408b2..83d5f96 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -585,7 +585,7 @@ static const struct fsnotify_ops audit_watch_fsnotify_ops = {
 
 static int __init audit_watch_init(void)
 {
-	audit_watch_group = fsnotify_alloc_group(0, &audit_watch_fsnotify_ops);
+	audit_watch_group = fsnotify_alloc_group(&audit_watch_fsnotify_ops);
 	if (IS_ERR(audit_watch_group)) {
 		audit_watch_group = NULL;
 		audit_panic("cannot create audit fsnotify group");
-- 
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