fsnotify: store struct file not struct path
Al explains that calling dentry_open() with a mnt/dentry pair is only
garunteed to be safe if they are already used in an open struct file. To
make sure this is the case don't store and use a struct path in fsnotify,
always use a struct file.
Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/fs/notify/inotify/inotify_fsnotify.c b/fs/notify/inotify/inotify_fsnotify.c
index 73a1106..3c506e0 100644
--- a/fs/notify/inotify/inotify_fsnotify.c
+++ b/fs/notify/inotify/inotify_fsnotify.c
@@ -52,9 +52,9 @@
!strcmp(old->file_name, new->file_name))
return true;
break;
- case (FSNOTIFY_EVENT_PATH):
- if ((old->path.mnt == new->path.mnt) &&
- (old->path.dentry == new->path.dentry))
+ case (FSNOTIFY_EVENT_FILE):
+ if ((old->file->f_path.mnt == new->file->f_path.mnt) &&
+ (old->file->f_path.dentry == new->file->f_path.dentry))
return true;
break;
case (FSNOTIFY_EVENT_NONE):
@@ -165,10 +165,10 @@
send = (fsn_mark->mask & mask);
if (send && (fsn_mark->mask & FS_EXCL_UNLINK) &&
- (data_type == FSNOTIFY_EVENT_PATH)) {
- struct path *path = data;
+ (data_type == FSNOTIFY_EVENT_FILE)) {
+ struct file *file = data;
- if (d_unlinked(path->dentry))
+ if (d_unlinked(file->f_path.dentry))
send = false;
}