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Commit 7c297722 authored by Amy Griffis's avatar Amy Griffis Committed by Al Viro
Browse files

[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: default avatarAmy Griffis <amy.griffis@hp.com>
Acked-by: default avatarRobert Love <rml@novell.com>
Acked-by: default avatarJohn McCutchan <john@johnmccutchan.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 2d9048e2

fs/inotify.c

+8 −5
Original line number Diff line number Diff line
@@ -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);

		}

fs/inotify_user.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

include/linux/fsnotify.h

+16 −13
Original line number Diff line number Diff line
@@ -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);

	}

include/linux/inotify.h

+4 −3
Original line number Diff line number Diff line
@@ -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)

{

}