linux-ext4 - Re: [PATCH v5 03/13] ext4: move crypt info pointer to fs-specific part of inode

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Message-ID: <20250811111336.GB984814@mit.edu>
Date: Mon, 11 Aug 2025 07:13:36 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: Eric Biggers <ebiggers@...nel.org>
Cc: linux-fscrypt@...r.kernel.org, fsverity@...ts.linux.dev,
        linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-mtd@...ts.infradead.org,
        linux-btrfs@...r.kernel.org, ceph-devel@...r.kernel.org,
        Christian Brauner <brauner@...nel.org>
Subject: Re: [PATCH v5 03/13] ext4: move crypt info pointer to fs-specific
 part of inode

On Sun, Aug 10, 2025 at 12:56:56AM -0700, Eric Biggers wrote:
> Move the fscrypt_inode_info pointer into the filesystem-specific part of
> the inode by adding the field ext4_inode_info::i_crypt_info and
> configuring fscrypt_operations::inode_info_offs accordingly.
> 
> This is a prerequisite for a later commit that removes
> inode::i_crypt_info, saving memory and improving cache efficiency with
> filesystems that don't support fscrypt.
> 
> Co-developed-by: Christian Brauner <brauner@...nel.org>
> Signed-off-by: Christian Brauner <brauner@...nel.org>
> Signed-off-by: Eric Biggers <ebiggers@...nel.org>

Signed-off-by: Theodore Ts'o <tytso@....edu>