Re: [PATCH v1 04/12] fsnotify: reduce i_lock hold time in fsnotify_set_children_dentry_flags()

Miklos Szeredi <[email protected]> Mon, 10 Aug 2026 16:37:13 +0200

Newsgroups	gmane.comp.file-systems.ceph.devel,gmane.linux.kernel.autofs,gmane.linux.kernel,gmane.comp.file-systems.coda.general,gmane.linux.file-systems,gmane.linux.nfs
Message-ID	<CAJfpegv2TTEGgfFBvAB1j2ixyEMXruG0AhL=R9iMC-LMJToiAg@mail.gmail.com>

On Mon, 3 Aug 2026 at 03:39, NeilBrown <[email protected]> wrote:

> +       /* Find the dentry for inode - there can only be one */
> +       for_each_alias(alias, inode)
> +               break;
> +       dget(alias);

This is __d_find_dir_alias().

Could add a get_dir_alias() primitive that does the i_lock locking as well?

Thanks,
Miklos