Re: [PATCH] fuse: reduce attributes invalidated on directory change

[Miklos Szeredi]

On Tue, 14 Apr 2026 at 10:27, Konrad Sztyber <ksztyber@xxxxxxxxxx> wrote:
>
> When the contents of a directory is modified, some of its attributes may
> also change, so they need to be invalidated.  But this isn't the case
> for every attribute.  For instance, unlinking or creating a file doesn't
> change the uid/gid of its parent directory.
>
> This can cause unnecessary FUSE_GETATTRs to be sent to user-space.  For
> example, fuse_permission() checks if mode, uid, and gid are valid and
> will issue a FUSE_GETATTR if they're not, which results in an extra
> FUSE_GETATTR request for every FUSE_UNLINK when removing files in the
> same directory.
>
> Signed-off-by: Konrad Sztyber <ksztyber@xxxxxxxxxx>

Makes sense, applied.

Thanks,
Miklos