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-rw-r--r--fs/notify/fsnotify.c13
-rw-r--r--include/linux/fsnotify.h40
-rw-r--r--include/linux/fsnotify_backend.h4
3 files changed, 33 insertions, 24 deletions
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 523337b600a0..806beede24a3 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -78,13 +78,16 @@ void __fsnotify_update_child_dentry_flags(struct inode *inode)
}
/* Notify this dentry's parent about a child's events. */
-void __fsnotify_parent(struct dentry *dentry, __u32 mask)
+void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask)
{
struct dentry *parent;
struct inode *p_inode;
bool send = false;
bool should_update_children = false;
+ if (file)
+ dentry = file->f_path.dentry;
+
if (!(dentry->d_flags & DCACHE_FSNOTIFY_PARENT_WATCHED))
return;
@@ -115,8 +118,12 @@ void __fsnotify_parent(struct dentry *dentry, __u32 mask)
* specifies these are events which came from a child. */
mask |= FS_EVENT_ON_CHILD;
- fsnotify(p_inode, mask, dentry->d_inode, FSNOTIFY_EVENT_INODE,
- dentry->d_name.name, 0);
+ if (file)
+ fsnotify(p_inode, mask, file, FSNOTIFY_EVENT_FILE,
+ dentry->d_name.name, 0);
+ else
+ fsnotify(p_inode, mask, dentry->d_inode, FSNOTIFY_EVENT_INODE,
+ dentry->d_name.name, 0);
dput(parent);
}
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 845e57abfb86..04ea03ea8090 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -26,9 +26,14 @@ static inline void fsnotify_d_instantiate(struct dentry *entry,
}
/* Notify this dentry's parent about a child's events. */
-static inline void fsnotify_parent(struct dentry *dentry, __u32 mask)
+static inline void fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask)
{
- __fsnotify_parent(dentry, mask);
+ BUG_ON(file && dentry);
+
+ if (file)
+ dentry = file->f_path.dentry;
+
+ __fsnotify_parent(file, dentry, mask);
}
/*
@@ -102,7 +107,7 @@ static inline void fsnotify_nameremove(struct dentry *dentry, int isdir)
if (isdir)
mask |= FS_IN_ISDIR;
- fsnotify_parent(dentry, mask);
+ fsnotify_parent(NULL, dentry, mask);
}
/*
@@ -155,14 +160,13 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
*/
static inline void fsnotify_access(struct file *file)
{
- struct dentry *dentry = file->f_path.dentry;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
__u32 mask = FS_ACCESS;
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(dentry, mask);
+ fsnotify_parent(file, NULL, mask);
fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
}
@@ -171,14 +175,13 @@ static inline void fsnotify_access(struct file *file)
*/
static inline void fsnotify_modify(struct file *file)
{
- struct dentry *dentry = file->f_path.dentry;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
__u32 mask = FS_MODIFY;
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(dentry, mask);
+ fsnotify_parent(file, NULL, mask);
fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
}
@@ -187,14 +190,13 @@ static inline void fsnotify_modify(struct file *file)
*/
static inline void fsnotify_open(struct file *file)
{
- struct dentry *dentry = file->f_path.dentry;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
__u32 mask = FS_OPEN;
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(dentry, mask);
+ fsnotify_parent(file, NULL, mask);
fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
}
@@ -203,15 +205,14 @@ static inline void fsnotify_open(struct file *file)
*/
static inline void fsnotify_close(struct file *file)
{
- struct dentry *dentry = file->f_path.dentry;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = file->f_path.dentry->d_inode;
fmode_t mode = file->f_mode;
__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(dentry, mask);
+ fsnotify_parent(file, NULL, mask);
fsnotify(inode, mask, file, FSNOTIFY_EVENT_FILE, NULL, 0);
}
@@ -226,7 +227,7 @@ static inline void fsnotify_xattr(struct dentry *dentry)
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(dentry, mask);
+ fsnotify_parent(NULL, dentry, mask);
fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
@@ -260,7 +261,8 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid)
if (mask) {
if (S_ISDIR(inode->i_mode))
mask |= FS_IN_ISDIR;
- fsnotify_parent(dentry, mask);
+
+ fsnotify_parent(NULL, dentry, mask);
fsnotify(inode, mask, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}
}
@@ -283,7 +285,7 @@ static inline void fsnotify_oldname_free(const char *old_name)
kfree(old_name);
}
-#else /* CONFIG_INOTIFY || CONFIG_FSNOTIFY */
+#else /* CONFIG_FSNOTIFY */
static inline const char *fsnotify_oldname_init(const char *name)
{
@@ -294,6 +296,6 @@ static inline void fsnotify_oldname_free(const char *old_name)
{
}
-#endif /* ! CONFIG_INOTIFY */
+#endif /* CONFIG_FSNOTIFY */
#endif /* _LINUX_FS_NOTIFY_H */
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 2766df67f1ec..0e0c2b76b067 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -259,7 +259,7 @@ struct fsnotify_mark_entry {
/* main fsnotify call to send events */
extern void fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is,
const char *name, u32 cookie);
-extern void __fsnotify_parent(struct dentry *dentry, __u32 mask);
+extern void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask);
extern void __fsnotify_inode_delete(struct inode *inode);
extern u32 fsnotify_get_cookie(void);
@@ -367,7 +367,7 @@ static inline void fsnotify(struct inode *to_tell, __u32 mask, void *data, int d
const char *name, u32 cookie)
{}
-static inline void __fsnotify_parent(struct dentry *dentry, __u32 mask)
+static inline void __fsnotify_parent(struct file *file, struct dentry *dentry, __u32 mask)
{}
static inline void __fsnotify_inode_delete(struct inode *inode)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 01:01:05 +0000