Re: [PATCH v2 14/21] devpts, sunrpc, hostfs: don't bother with ->d_op

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To: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 14/21] devpts, sunrpc, hostfs: don't bother with ->d_op
From: Christian Brauner <brauner@xxxxxxxxxx>
Date: Wed, 11 Jun 2025 11:50:43 +0200
Cc: linux-fsdevel@xxxxxxxxxxxxxxx, jack@xxxxxxx, miklos@xxxxxxxxxx, neilb@xxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx
In-reply-to: <20250611075437.4166635-14-viro@zeniv.linux.org.uk>

On Wed, Jun 11, 2025 at 08:54:30AM +0100, Al Viro wrote:
> Default ->d_op being simple_dentry_operations is equivalent to leaving
> it NULL and putting DCACHE_DONTCACHE into ->s_d_flags.
> 
> Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Christian Brauner <brauner@xxxxxxxxxx>

References:
- [RFC][PATCHES v2] dentry->d_flags locking
  - From: Al Viro
- [PATCH v2 01/21] d_set_mounted(): we don't need to bump seqcount component of rename_lock
  - From: Al Viro
- [PATCH v2 14/21] devpts, sunrpc, hostfs: don't bother with ->d_op
  - From: Al Viro

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