[PATCH] inotify (2/5): add name's inode to event handler

When an inotify event includes a dentry name, also include the inode
associated with that name.

Signed-off-by: Amy Griffis <amy.griffis@hp.com>
Acked-by: Robert Love <rml@novell.com>
Acked-by: John McCutchan <john@johnmccutchan.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 30 insertions, 22 deletions

diff --git a/fs/inotify.c b/fs/inotify.c
index a1bedf3975ca..f25c21801fdc 100644
--- a/fs/inotify.c
+++ b/fs/inotify.c
@@ -232,7 +232,7 @@ static void remove_watch_no_event(struct inotify_watch *watch,
 static void remove_watch(struct inotify_watch *watch, struct inotify_handle *ih)
 {
         remove_watch_no_event(watch, ih);
-        ih->in_ops->handle_event(watch, watch->wd, IN_IGNORED, 0, NULL);
+        ih->in_ops->handle_event(watch, watch->wd, IN_IGNORED, 0, NULL, NULL);
 }
 
 /* Kernel API for producing events */
@@ -275,9 +275,10 @@ void inotify_d_move(struct dentry *entry)
  * @mask: event mask describing this event
  * @cookie: cookie for synchronization, or zero
  * @name: filename, if any
+ * @n_inode: inode associated with name
  */
 void inotify_inode_queue_event(struct inode *inode, u32 mask, u32 cookie,
-                               const char *name)
+                               const char *name, struct inode *n_inode)
 {
         struct inotify_watch *watch, *next;
 
@@ -292,7 +293,8 @@ void inotify_inode_queue_event(struct inode *inode, u32 mask, u32 cookie,
                         mutex_lock(&ih->mutex);
                         if (watch_mask & IN_ONESHOT)
                                 remove_watch_no_event(watch, ih);
-                        ih->in_ops->handle_event(watch, watch->wd, mask, cookie, name);
+                        ih->in_ops->handle_event(watch, watch->wd, mask, cookie,
+                                                 name, n_inode);
                         mutex_unlock(&ih->mutex);
                 }
         }
@@ -323,7 +325,8 @@ void inotify_dentry_parent_queue_event(struct dentry *dentry, u32 mask,
         if (inotify_inode_watched(inode)) {
                 dget(parent);
                 spin_unlock(&dentry->d_lock);
-                inotify_inode_queue_event(inode, mask, cookie, name);
+                inotify_inode_queue_event(inode, mask, cookie, name,
+                                          dentry->d_inode);
                 dput(parent);
         } else
                 spin_unlock(&dentry->d_lock);
@@ -407,7 +410,7 @@ void inotify_unmount_inodes(struct list_head *list)
                         struct inotify_handle *ih= watch->ih;
                         mutex_lock(&ih->mutex);
                         ih->in_ops->handle_event(watch, watch->wd, IN_UNMOUNT, 0,
-                                                 NULL);
+                                                 NULL, NULL);
                         remove_watch(watch, ih);
                         mutex_unlock(&ih->mutex);
                 }
diff --git a/fs/inotify_user.c b/fs/inotify_user.c
index 845dc79a4e9c..8b83c7190067 100644
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -253,7 +253,8 @@ inotify_dev_get_event(struct inotify_device *dev)
  * Can sleep (calls kernel_event()).
  */
 static void inotify_dev_queue_event(struct inotify_watch *w, u32 wd, u32 mask,
-                                    u32 cookie, const char *name)
+                                    u32 cookie, const char *name,
+                                    struct inode *ignored)
 {
         struct inotify_user_watch *watch;
         struct inotify_device *dev;
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 11438eff4d44..a9d30442448f 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -54,16 +54,18 @@ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
 
         if (isdir)
                 isdir = IN_ISDIR;
-        inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir,cookie,old_name);
-        inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, cookie, new_name);
+        inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir,cookie,old_name,
+                                  source);
+        inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, cookie, new_name,
+                                  source);
 
         if (target) {
-                inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL);
+                inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
                 inotify_inode_is_dead(target);
         }
 
         if (source) {
-                inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL);
+                inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
         }
         audit_inode_child(old_name, source, old_dir->i_ino);
         audit_inode_child(new_name, target, new_dir->i_ino);
@@ -85,7 +87,7 @@ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
  */
 static inline void fsnotify_inoderemove(struct inode *inode)
 {
-        inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL);
+        inotify_inode_queue_event(inode, IN_DELETE_SELF, 0, NULL, NULL);
         inotify_inode_is_dead(inode);
 }
 
@@ -95,7 +97,8 @@ static inline void fsnotify_inoderemove(struct inode *inode)
 static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
 {
         inode_dir_notify(inode, DN_CREATE);
-        inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name);
+        inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name,
+                                  dentry->d_inode);
         audit_inode_child(dentry->d_name.name, dentry->d_inode, inode->i_ino);
 }
 
@@ -106,7 +109,7 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
 {
         inode_dir_notify(inode, DN_CREATE);
         inotify_inode_queue_event(inode, IN_CREATE | IN_ISDIR, 0, 
-                                  dentry->d_name.name);
+                                  dentry->d_name.name, dentry->d_inode);
         audit_inode_child(dentry->d_name.name, dentry->d_inode, inode->i_ino);
 }
 
@@ -123,7 +126,7 @@ static inline void fsnotify_access(struct dentry *dentry)
 
         dnotify_parent(dentry, DN_ACCESS);
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -139,7 +142,7 @@ static inline void fsnotify_modify(struct dentry *dentry)
 
         dnotify_parent(dentry, DN_MODIFY);
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -154,7 +157,7 @@ static inline void fsnotify_open(struct dentry *dentry)
                 mask |= IN_ISDIR;
 
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);        
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -172,7 +175,7 @@ static inline void fsnotify_close(struct file *file)
                 mask |= IN_ISDIR;
 
         inotify_dentry_parent_queue_event(dentry, mask, 0, name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -187,7 +190,7 @@ static inline void fsnotify_xattr(struct dentry *dentry)
                 mask |= IN_ISDIR;
 
         inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
-        inotify_inode_queue_event(inode, mask, 0, NULL);
+        inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
 }
 
 /*
@@ -234,7 +237,7 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
         if (in_mask) {
                 if (S_ISDIR(inode->i_mode))
                         in_mask |= IN_ISDIR;
-                inotify_inode_queue_event(inode, in_mask, 0, NULL);
+                inotify_inode_queue_event(inode, in_mask, 0, NULL, NULL);
                 inotify_dentry_parent_queue_event(dentry, in_mask, 0,
                                                   dentry->d_name.name);
         }
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index 68b6e0127de4..e7899e7d83ad 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -91,7 +91,7 @@ struct inotify_watch {
 
 struct inotify_operations {
         void (*handle_event)(struct inotify_watch *, u32, u32, u32,
-                             const char *);
+                             const char *, struct inode *);
         void (*destroy_watch)(struct inotify_watch *);
 };
 
@@ -102,7 +102,7 @@ struct inotify_operations {
 extern void inotify_d_instantiate(struct dentry *, struct inode *);
 extern void inotify_d_move(struct dentry *);
 extern void inotify_inode_queue_event(struct inode *, __u32, __u32,
-                                      const char *);
+                                      const char *, struct inode *);
 extern void inotify_dentry_parent_queue_event(struct dentry *, __u32, __u32,
                                               const char *);
 extern void inotify_unmount_inodes(struct list_head *);
@@ -134,7 +134,8 @@ static inline void inotify_d_move(struct dentry *dentry)
 
 static inline void inotify_inode_queue_event(struct inode *inode,
                                              __u32 mask, __u32 cookie,
-                                             const char *filename)
+                                             const char *filename,
+                                             struct inode *n_inode)
 {
 }