On Fri, Jan 09, 2026 at 10:28:49AM +0000, Hongbo Li wrote: > There is no need to open nonexistent real files if backing files > couldn't be backed by real files (e.g., EROFS page cache sharing > doesn't need typical real files to open again). > > Therefore, we export the alloc_empty_backing_file() helper, allowing > filesystems to dynamically set the backing file without real file > open. This is particularly useful for obtaining the correct @path > and @inode when calling file_user_path() and file_user_inode(). > > Signed-off-by: Hongbo Li <[email protected]> > Reviewed-by: Gao Xiang <[email protected]> > Acked-by: Amir Goldstein <[email protected]> > ---
Acked-by: Christian Brauner <[email protected]>
