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Date:   Mon, 29 Jun 2020 11:24:06 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Satya Tangirala <satyat@...gle.com>
Cc:     linux-fscrypt@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org
Subject: Re: [PATCH v2 1/4] fs: introduce SB_INLINECRYPT

On Mon, Jun 29, 2020 at 12:04:02PM +0000, Satya Tangirala via Linux-f2fs-devel wrote:
> Introduce SB_INLINECRYPT, which is set by filesystems that wish to use
> blk-crypto for file content en/decryption. This flag maps to the
> '-o inlinecrypt' mount option which multiple filesystems will implement,
> and code in fs/crypto/ needs to be able to check for this mount option
> in a filesystem-independent way.
> 
> Signed-off-by: Satya Tangirala <satyat@...gle.com>
> ---
>  include/linux/fs.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/fs.h b/include/linux/fs.h
> index 3f881a892ea7..b5e07fcdd11d 100644
> --- a/include/linux/fs.h
> +++ b/include/linux/fs.h
> @@ -1380,6 +1380,7 @@ extern int send_sigurg(struct fown_struct *fown);
>  #define SB_NODIRATIME	2048	/* Do not update directory access times */
>  #define SB_SILENT	32768
>  #define SB_POSIXACL	(1<<16)	/* VFS does not apply the umask */
> +#define SB_INLINECRYPT	(1<<17)	/* Use blk-crypto for encrypted files */
>  #define SB_KERNMOUNT	(1<<22) /* this is a kern_mount call */
>  #define SB_I_VERSION	(1<<23) /* Update inode I_version field */
>  #define SB_LAZYTIME	(1<<25) /* Update the on-disk [acm]times lazily */
> -- 

Reviewed-by: Eric Biggers <ebiggers@...gle.com>

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