fsnotify: pass a file instead of an inode to open, read, and write

fanotify, the upcoming notification system actually needs a struct path so it can
do opens in the context of listeners, and it needs a file so it can get f_flags
from the original process.  Close was the only operation that already was passing
a struct file to the notification hook.  This patch passes a file for access,
modify, and open as well as they are easily available to these hooks.

Signed-off-by: Eric Paris <eparis@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/fs/compat.c b/fs/compat.c
index 6490d2134ff3..ce02278b9c83 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1193,11 +1193,10 @@ out:
         if (iov != iovstack)
                 kfree(iov);
         if ((ret + (type == READ)) > 0) {
-                struct dentry *dentry = file->f_path.dentry;
                 if (type == READ)
-                        fsnotify_access(dentry);
+                        fsnotify_access(file);
                 else
-                        fsnotify_modify(dentry);
+                        fsnotify_modify(file);
         }
         return ret;
 }