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[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>
wifi-calibration
Amy Griffis 2006-06-01 13:11:01 -07:00 committed by Al Viro
parent 2d9048e201
commit 7c29772288
4 changed files with 30 additions and 22 deletions
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13
fs/inotify.c
View File

@ -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);
}

3
fs/inotify_user.c
View File

@ -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;

29
include/linux/fsnotify.h
View File

@ -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);
}

7
include/linux/inotify.h
View File

@ -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)
{
}