From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 708DA1B4257; Wed, 29 Oct 2025 13:38:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761745107; cv=none; b=LVOsLl48O6Qz1nDCNmD2QyMPtvVgSlKCCvU8OX16u+Zyw8OuDhcZpfM4Nl2qQem+WlCczIJGCjDFOh//EpjriEVnXBp01fcb2eWMKl74JZ94uawpLYM5infH6brn3aS6jCNSqQOSgRN3LcvrNwbjGfETLH8mKKGAqX4I9EpWJG0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761745107; c=relaxed/simple; bh=b8C5dqG+zYxYzrAKACxJX6pTVQ0pggJLilm5qh1EJ0Q=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=XgyfOE0m/3+1aCxc4bcMlmsH/9qMzX9NvAZ07W1uMaT5WH7lANHYF6Dkt/DSyTEIows/mXEGTtIH6Y/oJ4nlb2U2UjCPLulGVfEjZZGNGtHeJVMKx7Nre5kCJhwPVd2lHcQwDA34rLBXAJLrxA5ETDbBrJ0bmOOT+OgSdcJN2bo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GyiPQO1n; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GyiPQO1n" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9AAFC4CEF7; Wed, 29 Oct 2025 13:38:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761745107; bh=b8C5dqG+zYxYzrAKACxJX6pTVQ0pggJLilm5qh1EJ0Q=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=GyiPQO1n1B09LVdnFKLKGYrIJ22I+SI6fjNmI/pUX92T4sI1XCuj6CDthhbfwGN9x Ux3SBXEPngzuPWjV4wCH1oheC5lqbZV6AIzuvAhoUM4aXISteab71xfA5hMejVBNKj 0vUHEUAqIUm9deYRSibaoE/6eDo3rThe+CKF9mOpZko7xj1CbsC1lxR15QJu5Ny2uM m9wgGr4oMmUW7rCM4a8m5OZ8USZBlHkX3NXaL9l4EV5Te44B7sW6B3aqKQRk1h3xJj Y3vLsQ8Bu8nxGKT0h6TbEDszivUNSuZ/Rw1cfdICr+J5Yw3OAhFvXldLD2llZ0C+NR eMQwk1kAaFlXg== Message-ID: <9238724edeb1510b48a7b75cdc46075a82799dd8.camel@kernel.org> Subject: Re: [PATCH v3 06/13] vfs: make vfs_create break delegations on parent directory From: Jeff Layton To: Christian Brauner Cc: Miklos Szeredi , Alexander Viro , Jan Kara , Chuck Lever , Alexander Aring , Trond Myklebust , Anna Schumaker , Steve French , Paulo Alcantara , Ronnie Sahlberg , Shyam Prasad N , Tom Talpey , Bharath SM , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , David Howells , Tyler Hicks , NeilBrown , Olga Kornievskaia , Dai Ngo , Amir Goldstein , Namjae Jeon , Steve French , Sergey Senozhatsky , Carlos Maiolino , Kuniyuki Iwashima , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, netfs@lists.linux.dev, ecryptfs@vger.kernel.org, linux-unionfs@vger.kernel.org, linux-xfs@vger.kernel.org, netdev@vger.kernel.org Date: Wed, 29 Oct 2025 09:38:23 -0400 In-Reply-To: <20251029-lenken-scham-0cf009d5a7dd@brauner> References: <20251021-dir-deleg-ro-v3-0-a08b1cde9f4c@kernel.org> <20251021-dir-deleg-ro-v3-6-a08b1cde9f4c@kernel.org> <20251029-lenken-scham-0cf009d5a7dd@brauner> Autocrypt: addr=jlayton@kernel.org; prefer-encrypt=mutual; keydata=mQINBE6V0TwBEADXhJg7s8wFDwBMEvn0qyhAnzFLTOCHooMZyx7XO7dAiIhDSi7G1NPxw n8jdFUQMCR/GlpozMFlSFiZXiObE7sef9rTtM68ukUyZM4pJ9l0KjQNgDJ6Fr342Htkjxu/kFV1Wv egyjnSsFt7EGoDjdKqr1TS9syJYFjagYtvWk/UfHlW09X+jOh4vYtfX7iYSx/NfqV3W1D7EDi0PqV T2h6v8i8YqsATFPwO4nuiTmL6I40ZofxVd+9wdRI4Db8yUNA4ZSP2nqLcLtFjClYRBoJvRWvsv4lm 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at 11:25:41AM -0400, Jeff Layton wrote: > > In order to add directory delegation support, we need to break > > delegations on the parent whenever there is going to be a change in the > > directory. > >=20 > > Add a delegated_inode parameter to vfs_create. Most callers are > > converted to pass in NULL, but do_mknodat() is changed to wait for a > > delegation break if there is one. > >=20 > > Reviewed-by: Jan Kara > > Reviewed-by: NeilBrown > > Signed-off-by: Jeff Layton > > --- > > fs/ecryptfs/inode.c | 2 +- > > fs/namei.c | 26 +++++++++++++++++++------- > > fs/nfsd/nfs3proc.c | 2 +- > > fs/nfsd/vfs.c | 3 +-- > > fs/open.c | 2 +- > > fs/overlayfs/overlayfs.h | 2 +- > > fs/smb/server/vfs.c | 2 +- > > include/linux/fs.h | 2 +- > > 8 files changed, 26 insertions(+), 15 deletions(-) > >=20 > > diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c > > index 88631291b32535f623a3fbe4ea9b6ed48a306ca0..661709b157ce854c3bfdfdb= 13f7c10435fad9756 100644 > > --- a/fs/ecryptfs/inode.c > > +++ b/fs/ecryptfs/inode.c > > @@ -189,7 +189,7 @@ ecryptfs_do_create(struct inode *directory_inode, > > rc =3D lock_parent(ecryptfs_dentry, &lower_dentry, &lower_dir); > > if (!rc) > > rc =3D vfs_create(&nop_mnt_idmap, lower_dir, > > - lower_dentry, mode, true); > > + lower_dentry, mode, true, NULL); >=20 > Starts to look like we should epxlore whether a struct create_args (or > some other name) similar to struct renamedata I did some years ago would > help make the code a bit more legible in the future. I like that idea. Let me see if I can rework this patch along those lines. I'll plan to send an updated set. Thanks, --=20 Jeff Layton