xps: Transmit Packet Steering

[net-next-2.6.git] / fs / notify / fsnotify.c

diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 4498a208df940b92117323dcad6cb355969fd164..20dc218707ca59afc4c5b42de6cd7d614ca49340 100644 (file)
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -84,16 +84,17 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode)
 }
 
 /* Notify this dentry's parent about a child's events. */
-void __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask)
+int __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask)
 {
        struct dentry *parent;
        struct inode *p_inode;
+       int ret = 0;
 
        if (!dentry)
                dentry = path->dentry;
 
        if (!(dentry->d_flags & DCACHE_FSNOTIFY_PARENT_WATCHED))
-               return;
+               return 0;
 
        parent = dget_parent(dentry);
        p_inode = parent->d_inode;
@@ -106,14 +107,16 @@ void __fsnotify_parent(struct path *path, struct dentry *dentry, __u32 mask)
                mask |= FS_EVENT_ON_CHILD;
 
                if (path)
-                       fsnotify(p_inode, mask, path, FSNOTIFY_EVENT_PATH,
-                                dentry->d_name.name, 0);
+                       ret = fsnotify(p_inode, mask, path, FSNOTIFY_EVENT_PATH,
+                                      dentry->d_name.name, 0);
                else
-                       fsnotify(p_inode, mask, dentry->d_inode, FSNOTIFY_EVENT_INODE,
-                                dentry->d_name.name, 0);
+                       ret = fsnotify(p_inode, mask, dentry->d_inode, FSNOTIFY_EVENT_INODE,
+                                      dentry->d_name.name, 0);
        }
 
        dput(parent);
+
+       return ret;
 }
 EXPORT_SYMBOL_GPL(__fsnotify_parent);
 
@@ -252,20 +255,23 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is,
 
                if (inode_group > vfsmount_group) {
                        /* handle inode */
-                       send_to_group(to_tell, NULL, inode_mark, NULL, mask, data,
-                                     data_is, cookie, file_name, &event);
+                       ret = send_to_group(to_tell, NULL, inode_mark, NULL, mask, data,
+                                           data_is, cookie, file_name, &event);
                        /* we didn't use the vfsmount_mark */
                        vfsmount_group = NULL;
                } else if (vfsmount_group > inode_group) {
-                       send_to_group(to_tell, mnt, NULL, vfsmount_mark, mask, data,
-                                     data_is, cookie, file_name, &event);
+                       ret = send_to_group(to_tell, mnt, NULL, vfsmount_mark, mask, data,
+                                           data_is, cookie, file_name, &event);
                        inode_group = NULL;
                } else {
-                       send_to_group(to_tell, mnt, inode_mark, vfsmount_mark,
-                                     mask, data, data_is, cookie, file_name,
-                                     &event);
+                       ret = send_to_group(to_tell, mnt, inode_mark, vfsmount_mark,
+                                           mask, data, data_is, cookie, file_name,
+                                           &event);
                }
 
+               if (ret && (mask & ALL_FSNOTIFY_PERM_EVENTS))
+                       goto out;
+
                if (inode_group)
                        inode_node = srcu_dereference(inode_node->next,
                                                      &fsnotify_mark_srcu);
@@ -273,7 +279,8 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is,
                        vfsmount_node = srcu_dereference(vfsmount_node->next,
                                                         &fsnotify_mark_srcu);
        }
-
+       ret = 0;
+out:
        srcu_read_unlock(&fsnotify_mark_srcu, idx);
        /*
         * fsnotify_create_event() took a reference so the event can't be cleaned