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Subject[RFC PATCH -v4 09/14] dnotify: reimplement dnotify using fsnotify
Date
Reimplement dnotify using fsnotify.

Signed-off-by: Eric Paris <eparis@redhat.com>
---
fs/fcntl.c | 4 +
fs/notify/dnotify/Kconfig | 1
fs/notify/dnotify/dnotify.c | 322 ++++++++++++++++++++++++++++++++-----------
include/linux/dnotify.h | 29 +---
include/linux/fs.h | 5 -
include/linux/fsnotify.h | 71 +++------
6 files changed, 271 insertions(+), 161 deletions(-)
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 549daf8..dcc733e 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -327,6 +327,10 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
break;
case F_NOTIFY:
err = fcntl_dirnotify(fd, filp, arg);
+ if (err)
+ break;
+ if (filp->f_op && filp->f_op->dir_notify)
+ err = filp->f_op->dir_notify(filp, arg);
break;
default:
break;
diff --git a/fs/notify/dnotify/Kconfig b/fs/notify/dnotify/Kconfig
index 26adf5d..904ff8d 100644
--- a/fs/notify/dnotify/Kconfig
+++ b/fs/notify/dnotify/Kconfig
@@ -1,5 +1,6 @@
config DNOTIFY
bool "Dnotify support"
+ depends on FSNOTIFY
default y
help
Dnotify is a directory-based per-fd file change notification system
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 676073b..dae1bd6 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -21,24 +21,147 @@
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/fdtable.h>
+#include <linux/fsnotify_backend.h>
+
+#include "../fsnotify.h"

int dir_notify_enable __read_mostly = 1;

static struct kmem_cache *dn_cache __read_mostly;

-static void redo_inode_mask(struct inode *inode)
+static int inode_dir_notify(struct fsnotify_group *group, struct fsnotify_event *event);
+static void clear_mark_dir_notify(struct fsnotify_mark_entry *entry, struct inode *inode, unsigned int flags);
+static int should_send_event_dir_notify(struct fsnotify_group *group, struct inode *inode, __u64 mask);
+
+static struct fsnotify_ops dnotify_fsnotify_ops = {
+ .event_to_notif = inode_dir_notify,
+ .mark_clear_inode = clear_mark_dir_notify,
+ .should_send_event = should_send_event_dir_notify,
+ .free_group_priv = NULL,
+ .free_event_priv = NULL,
+ .free_mark_priv = NULL,
+};
+
+/* this horribleness only works because dnotify only ever has 1 group */
+static inline struct fsnotify_mark_entry *dnotify_get_mark(struct inode *inode)
+{
+ struct fsnotify_mark_entry *lentry;
+ struct fsnotify_mark_entry *entry = NULL;
+
+ spin_lock(&inode->i_lock);
+ list_for_each_entry(lentry, &inode->i_fsnotify_mark_entries, i_list) {
+ if (lentry->group->ops == &dnotify_fsnotify_ops) {
+ fsnotify_get_mark(lentry);
+ entry = lentry;
+ break;
+ }
+ }
+ spin_unlock(&inode->i_lock);
+ return entry;
+}
+
+/* holding the entry->lock to protect private data. */
+static void dnotify_recalc_inode_mask(struct fsnotify_mark_entry *entry)
{
unsigned long new_mask;
struct dnotify_struct *dn;

new_mask = 0;
- for (dn = inode->i_dnotify; dn != NULL; dn = dn->dn_next)
- new_mask |= dn->dn_mask & ~DN_MULTISHOT;
- inode->i_dnotify_mask = new_mask;
+ dn = (struct dnotify_struct *)entry->private;
+ for (; dn != NULL; dn = dn->dn_next)
+ new_mask |= (dn->dn_mask & ~FS_DN_MULTISHOT);
+ entry->mask = new_mask;
+
+ if (entry->inode)
+ fsnotify_recalc_inode_mask(entry->inode);
+}
+
+static int inode_dir_notify(struct fsnotify_group *group, struct fsnotify_event *event)
+{
+ struct fsnotify_mark_entry *entry = NULL;
+ struct inode *to_tell;
+ struct dnotify_struct *dn;
+ struct dnotify_struct **prev;
+ struct fown_struct *fown;
+ int changed = 0;
+
+ to_tell = event->to_tell;
+
+ spin_lock(&to_tell->i_lock);
+ entry = fsnotify_find_mark_entry(group, to_tell);
+ spin_unlock(&to_tell->i_lock);
+
+ /* unlikely since we alreay passed should_send_event_dir_notify() */
+ if (unlikely(!entry))
+ return 0;
+
+ spin_lock(&entry->lock);
+ prev = (struct dnotify_struct **)&entry->private;
+ while ((dn = *prev) != NULL) {
+ if ((dn->dn_mask & event->mask) == 0) {
+ prev = &dn->dn_next;
+ continue;
+ }
+ fown = &dn->dn_filp->f_owner;
+ send_sigio(fown, dn->dn_fd, POLL_MSG);
+ if (dn->dn_mask & FS_DN_MULTISHOT)
+ prev = &dn->dn_next;
+ else {
+ *prev = dn->dn_next;
+ changed = 1;
+ kmem_cache_free(dn_cache, dn);
+ }
+ }
+ if (changed)
+ dnotify_recalc_inode_mask(entry);
+
+ spin_unlock(&entry->lock);
+ fsnotify_put_mark(entry);
+
+ return 0;
+}
+
+static void clear_mark_dir_notify(struct fsnotify_mark_entry *entry, struct inode *inode, unsigned int flags)
+{
+ /* if we got here when this inode just closed it's last dentry or when
+ * the inode is being kicked out of core we screwed up since it should
+ * have already been flushed in dnotify_flush() */
+ BUG();
+}
+
+static int should_send_event_dir_notify(struct fsnotify_group *group, struct inode *inode, __u64 mask)
+{
+ struct fsnotify_mark_entry *entry;
+ int send;
+
+ /* !dir_notify_enable should never get here, don't waste time checking
+ if (!dir_notify_enable)
+ return 0; */
+
+ /* not a dir, dnotify doesn't care */
+ if (!S_ISDIR(inode->i_mode))
+ return 0;
+
+ spin_lock(&inode->i_lock);
+ entry = fsnotify_find_mark_entry(group, inode);
+ spin_unlock(&inode->i_lock);
+
+ /* no mark means no dnotify watch */
+ if (!entry)
+ return 0;
+
+ spin_lock(&entry->lock);
+ send = !!(mask & entry->mask);
+ spin_unlock(&entry->lock);
+ fsnotify_put_mark(entry);
+
+ return send;
}

void dnotify_flush(struct file *filp, fl_owner_t id)
{
+ struct fsnotify_group *dnotify_group = NULL;
+ struct fsnotify_mark_entry *entry;
struct dnotify_struct *dn;
struct dnotify_struct **prev;
struct inode *inode;
@@ -46,22 +169,66 @@ void dnotify_flush(struct file *filp, fl_owner_t id)
inode = filp->f_path.dentry->d_inode;
if (!S_ISDIR(inode->i_mode))
return;
- spin_lock(&inode->i_lock);
- prev = &inode->i_dnotify;
+
+ entry = dnotify_get_mark(inode);
+ if (!entry)
+ return;
+
+ spin_lock(&entry->lock);
+ prev = (struct dnotify_struct **)&entry->private;
while ((dn = *prev) != NULL) {
if ((dn->dn_owner == id) && (dn->dn_filp == filp)) {
*prev = dn->dn_next;
- redo_inode_mask(inode);
+ dnotify_recalc_inode_mask(entry);
kmem_cache_free(dn_cache, dn);
break;
}
prev = &dn->dn_next;
}
- spin_unlock(&inode->i_lock);
+
+ /* last dnotify watch on this inode is gone */
+ if (entry->private == NULL)
+ dnotify_group = entry->group;
+
+ spin_unlock(&entry->lock);
+
+ if (dnotify_group) {
+ fsnotify_destroy_mark_by_entry(entry);
+ fsnotify_put_group(dnotify_group);
+ }
+
+ fsnotify_put_mark(entry);
+}
+
+/* this conversion is done only at watch creation */
+static inline unsigned long convert_arg(unsigned long arg)
+{
+ unsigned long new_mask = 0;
+
+ if (arg & DN_MULTISHOT)
+ new_mask |= FS_DN_MULTISHOT;
+ if (arg & DN_DELETE)
+ new_mask |= (FS_DELETE | FS_MOVED_FROM);
+ if (arg & DN_MODIFY)
+ new_mask |= FS_MODIFY;
+ if (arg & DN_ACCESS)
+ new_mask |= FS_ACCESS;
+ if (arg & DN_ATTRIB)
+ new_mask |= FS_ATTRIB;
+ if (arg & DN_RENAME)
+ new_mask |= FS_DN_RENAME;
+ if (arg & DN_CREATE)
+ new_mask |= (FS_CREATE | FS_MOVED_TO);
+
+ new_mask |= (new_mask & FS_EVENTS_WITH_CHILD) << 32;
+
+ return new_mask;
}

int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
{
+ struct fsnotify_group *dnotify_group;
+ struct fsnotify_mark_entry *entry;
struct dnotify_struct *dn;
struct dnotify_struct *odn;
struct dnotify_struct **prev;
@@ -69,27 +236,64 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
fl_owner_t id = current->files;
struct file *f;
int error = 0;
+ __u64 mask;
+
+ if (!dir_notify_enable)
+ return -EINVAL;

if ((arg & ~DN_MULTISHOT) == 0) {
dnotify_flush(filp, id);
return 0;
}
- if (!dir_notify_enable)
- return -EINVAL;
inode = filp->f_path.dentry->d_inode;
if (!S_ISDIR(inode->i_mode))
return -ENOTDIR;
+
+ /* expect most fcntl to add new rather than augment old */
dn = kmem_cache_alloc(dn_cache, GFP_KERNEL);
if (dn == NULL)
return -ENOMEM;
- spin_lock(&inode->i_lock);
- prev = &inode->i_dnotify;
+
+ /* convert the userspace DN_* "arg" to the internal FS_* defines in fsnotify */
+ mask = convert_arg(arg);
+
+ /*
+ * I really don't like using ALL_DNOTIFY_EVENTS. We could probably do
+ * better setting the group->mask equal to only those dnotify watches care
+ * about, but removing events means running the entire group->mark_entries
+ * list to recalculate the mask. Also makes it harder to find the right
+ * group, but this is not a fast path, so harder doesn't mean bad.
+ * Maybe a future performance win since it could result in faster fsnotify()
+ * processing.
+ */
+ dnotify_group = fsnotify_obtain_group(UINT_MAX, UINT_MAX, ALL_DNOTIFY_EVENTS, &dnotify_fsnotify_ops);
+ /* screw it, i don't care */
+ if (IS_ERR(dnotify_group)) {
+ error = PTR_ERR(dnotify_group);
+ goto out_free;
+ }
+
+ entry = fsnotify_mark_add(dnotify_group, inode, mask);
+ if (!entry) {
+ error = -ENOMEM;
+ goto out_put_group;
+ }
+
+ spin_lock(&entry->lock);
+ /* entry->private == NULL means that this is a new inode mark.
+ * take a group reference for it. */
+ if (entry->private == NULL)
+ fsnotify_get_group(dnotify_group);
+
+ prev = (struct dnotify_struct **)&entry->private;
while ((odn = *prev) != NULL) {
+ /* do we already have a dnotify struct and we are just adding more events? */
if ((odn->dn_owner == id) && (odn->dn_filp == filp)) {
odn->dn_fd = fd;
- odn->dn_mask |= arg;
- inode->i_dnotify_mask |= arg & ~DN_MULTISHOT;
- goto out_free;
+ odn->dn_mask |= mask;
+ /* recalculate the entry->mask and entry->inode->i_fsnotify_mask */
+ dnotify_recalc_inode_mask(entry);
+ goto out_unlock;
}
prev = &odn->dn_next;
}
@@ -98,92 +302,38 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
f = fcheck(fd);
rcu_read_unlock();
/* we'd lost the race with close(), sod off silently */
- /* note that inode->i_lock prevents reordering problems
- * between accesses to descriptor table and ->i_dnotify */
+ /* note that entry->lock prevents reordering problems
+ * between accesses to descriptor table and the private data in the
+ * inode mark, aka the dnotify_flush when the fd was closed */
if (f != filp)
- goto out_free;
+ goto out_unlock;

error = __f_setown(filp, task_pid(current), PIDTYPE_PID, 0);
if (error)
- goto out_free;
+ goto out_unlock;

- dn->dn_mask = arg;
+ dn->dn_mask = mask;
dn->dn_fd = fd;
dn->dn_filp = filp;
dn->dn_owner = id;
- inode->i_dnotify_mask |= arg & ~DN_MULTISHOT;
- dn->dn_next = inode->i_dnotify;
- inode->i_dnotify = dn;
- spin_unlock(&inode->i_lock);
-
- if (filp->f_op && filp->f_op->dir_notify)
- return filp->f_op->dir_notify(filp, arg);
+ dn->dn_next = entry->private;
+ entry->private = dn;
+ dnotify_recalc_inode_mask(entry);
+ spin_unlock(&entry->lock);
+ fsnotify_put_mark(entry);
+ fsnotify_put_group(dnotify_group);
return 0;

+out_unlock:
+ spin_unlock(&entry->lock);
+ fsnotify_put_mark(entry);
+out_put_group:
+ fsnotify_put_group(dnotify_group);
out_free:
- spin_unlock(&inode->i_lock);
kmem_cache_free(dn_cache, dn);
return error;
}

-void __inode_dir_notify(struct inode *inode, unsigned long event)
-{
- struct dnotify_struct * dn;
- struct dnotify_struct **prev;
- struct fown_struct * fown;
- int changed = 0;
-
- spin_lock(&inode->i_lock);
- prev = &inode->i_dnotify;
- while ((dn = *prev) != NULL) {
- if ((dn->dn_mask & event) == 0) {
- prev = &dn->dn_next;
- continue;
- }
- fown = &dn->dn_filp->f_owner;
- send_sigio(fown, dn->dn_fd, POLL_MSG);
- if (dn->dn_mask & DN_MULTISHOT)
- prev = &dn->dn_next;
- else {
- *prev = dn->dn_next;
- changed = 1;
- kmem_cache_free(dn_cache, dn);
- }
- }
- if (changed)
- redo_inode_mask(inode);
- spin_unlock(&inode->i_lock);
-}
-
-EXPORT_SYMBOL(__inode_dir_notify);
-
-/*
- * This is hopelessly wrong, but unfixable without API changes. At
- * least it doesn't oops the kernel...
- *
- * To safely access ->d_parent we need to keep d_move away from it. Use the
- * dentry's d_lock for this.
- */
-void dnotify_parent(struct dentry *dentry, unsigned long event)
-{
- struct dentry *parent;
-
- if (!dir_notify_enable)
- return;
-
- spin_lock(&dentry->d_lock);
- parent = dentry->d_parent;
- if (parent->d_inode->i_dnotify_mask & event) {
- dget(parent);
- spin_unlock(&dentry->d_lock);
- __inode_dir_notify(parent->d_inode, event);
- dput(parent);
- } else {
- spin_unlock(&dentry->d_lock);
- }
-}
-EXPORT_SYMBOL_GPL(dnotify_parent);
-
static int __init dnotify_init(void)
{
dn_cache = kmem_cache_create("dnotify_cache",
diff --git a/include/linux/dnotify.h b/include/linux/dnotify.h
index 102a902..e8c4256 100644
--- a/include/linux/dnotify.h
+++ b/include/linux/dnotify.h
@@ -10,7 +10,7 @@

struct dnotify_struct {
struct dnotify_struct * dn_next;
- unsigned long dn_mask;
+ __u64 dn_mask;
int dn_fd;
struct file * dn_filp;
fl_owner_t dn_owner;
@@ -21,23 +21,18 @@ struct dnotify_struct {

#ifdef CONFIG_DNOTIFY

-extern void __inode_dir_notify(struct inode *, unsigned long);
+#define ALL_DNOTIFY_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
+ FS_MODIFY | FS_MODIFY_CHILD |\
+ FS_ACCESS | FS_ACCESS_CHILD |\
+ FS_ATTRIB | FS_ATTRIB_CHILD |\
+ FS_CREATE | FS_DN_RENAME |\
+ FS_MOVED_FROM | FS_MOVED_TO)
+
extern void dnotify_flush(struct file *, fl_owner_t);
extern int fcntl_dirnotify(int, struct file *, unsigned long);
-extern void dnotify_parent(struct dentry *, unsigned long);
-
-static inline void inode_dir_notify(struct inode *inode, unsigned long event)
-{
- if (inode->i_dnotify_mask & (event))
- __inode_dir_notify(inode, event);
-}

#else

-static inline void __inode_dir_notify(struct inode *inode, unsigned long event)
-{
-}
-
static inline void dnotify_flush(struct file *filp, fl_owner_t id)
{
}
@@ -47,14 +42,6 @@ static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
return -EINVAL;
}

-static inline void dnotify_parent(struct dentry *dentry, unsigned long event)
-{
-}
-
-static inline void inode_dir_notify(struct inode *inode, unsigned long event)
-{
-}
-
#endif /* CONFIG_DNOTIFY */

#endif /* __KERNEL __ */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b5a7bce..f945763 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -670,11 +670,6 @@ struct inode {
struct list_head i_fsnotify_mark_entries; /* fsnotify mark entries */
#endif

-#ifdef CONFIG_DNOTIFY
- unsigned long i_dnotify_mask; /* Directory notify events */
- struct dnotify_struct *i_dnotify; /* for directory notifications */
-#endif
-
#ifdef CONFIG_INOTIFY
struct list_head inotify_watches; /* watches on this inode */
struct mutex inotify_mutex; /* protects the watches list */
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 971ada9..791d288 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -135,13 +135,7 @@ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
__u64 new_dir_mask = 0;

if (old_dir == new_dir) {
- inode_dir_notify(old_dir, DN_RENAME);
old_dir_mask = FS_DN_RENAME;
- } else {
- inode_dir_notify(old_dir, DN_DELETE);
- old_dir_mask = FS_DELETE;
- inode_dir_notify(new_dir, DN_CREATE);
- new_dir_mask = FS_CREATE;
}

if (isdir) {
@@ -181,7 +175,6 @@ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
{
if (isdir)
isdir = IN_ISDIR;
- dnotify_parent(dentry, DN_DELETE);
inotify_dentry_parent_queue_event(dentry, IN_DELETE|isdir, 0, dentry->d_name.name);

fsnotify_parent(dentry, FS_DELETE|isdir);
@@ -222,7 +215,6 @@ static inline void fsnotify_link_count(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,
dentry->d_inode);
audit_inode_child(dentry->d_name.name, dentry, inode);
@@ -237,7 +229,6 @@ static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
*/
static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct dentry *new_dentry)
{
- inode_dir_notify(dir, DN_CREATE);
inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
inode);
fsnotify_link_count(inode);
@@ -251,7 +242,6 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct
*/
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_inode);
audit_inode_child(dentry->d_name.name, dentry, inode);
@@ -271,7 +261,6 @@ static inline void fsnotify_access(struct file *file)
if (S_ISDIR(inode->i_mode))
mask |= IN_ISDIR;

- 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, NULL);

@@ -291,7 +280,6 @@ static inline void fsnotify_modify(struct file *file)
if (S_ISDIR(inode->i_mode))
mask |= IN_ISDIR;

- 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, NULL);

@@ -307,7 +295,6 @@ static inline void fsnotify_open_exec(struct file *file)
struct dentry *dentry = file->f_path.dentry;
struct inode *inode = dentry->d_inode;

- dnotify_parent(dentry, DN_ACCESS);
inotify_dentry_parent_queue_event(dentry, IN_ACCESS, 0, dentry->d_name.name);
inotify_inode_queue_event(inode, IN_ACCESS, 0, NULL, NULL);

@@ -380,49 +367,35 @@ static inline void fsnotify_xattr(struct dentry *dentry)
static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
{
struct inode *inode = dentry->d_inode;
- int dn_mask = 0;
- u32 in_mask = 0;
+ __u64 mask = 0;
+
+ if (ia_valid & ATTR_UID)
+ mask |= IN_ATTRIB;
+ if (ia_valid & ATTR_GID)
+ mask |= IN_ATTRIB;
+ if (ia_valid & ATTR_SIZE)
+ mask |= IN_MODIFY;

- if (ia_valid & ATTR_UID) {
- in_mask |= IN_ATTRIB;
- dn_mask |= DN_ATTRIB;
- }
- if (ia_valid & ATTR_GID) {
- in_mask |= IN_ATTRIB;
- dn_mask |= DN_ATTRIB;
- }
- if (ia_valid & ATTR_SIZE) {
- in_mask |= IN_MODIFY;
- dn_mask |= DN_MODIFY;
- }
/* both times implies a utime(s) call */
if ((ia_valid & (ATTR_ATIME | ATTR_MTIME)) == (ATTR_ATIME | ATTR_MTIME))
- {
- in_mask |= IN_ATTRIB;
- dn_mask |= DN_ATTRIB;
- } else if (ia_valid & ATTR_ATIME) {
- in_mask |= IN_ACCESS;
- dn_mask |= DN_ACCESS;
- } else if (ia_valid & ATTR_MTIME) {
- in_mask |= IN_MODIFY;
- dn_mask |= DN_MODIFY;
- }
- if (ia_valid & ATTR_MODE) {
- in_mask |= IN_ATTRIB;
- dn_mask |= DN_ATTRIB;
- }
+ mask |= IN_ATTRIB;
+ else if (ia_valid & ATTR_ATIME)
+ mask |= IN_ACCESS;
+ else if (ia_valid & ATTR_MTIME)
+ mask |= IN_MODIFY;
+
+ if (ia_valid & ATTR_MODE)
+ mask |= IN_ATTRIB;

- if (dn_mask)
- dnotify_parent(dentry, dn_mask);
- if (in_mask) {
+ if (mask) {
if (S_ISDIR(inode->i_mode))
- in_mask |= IN_ISDIR;
- inotify_inode_queue_event(inode, in_mask, 0, NULL, NULL);
- inotify_dentry_parent_queue_event(dentry, in_mask, 0,
+ mask |= IN_ISDIR;
+ inotify_inode_queue_event(inode, mask, 0, NULL, NULL);
+ inotify_dentry_parent_queue_event(dentry, mask, 0,
dentry->d_name.name);

- fsnotify_parent(dentry, in_mask);
- fsnotify(inode, in_mask, inode, FSNOTIFY_EVENT_INODE);
+ fsnotify_parent(dentry, mask);
+ fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE);
}
}



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