linux-kernel - Re: [PATCH 01/14] VFS: Don't use save/replace_mount_options if not using generic_show

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Message-ID: <20170705185024.GE22044@kroah.com>
Date:   Wed, 5 Jul 2017 20:50:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     David Howells <dhowells@...hat.com>
Cc:     viro@...iv.linux.org.uk, reiserfs-devel@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org, Chris Mason <clm@...com>,
        linux-fsdevel@...r.kernel.org, linux-btrfs@...r.kernel.org
Subject: Re: [PATCH 01/14] VFS: Don't use save/replace_mount_options if not
 using generic_show_options

On Wed, Jul 05, 2017 at 04:24:09PM +0100, David Howells wrote:
> btrfs, debugfs, reiserfs and tracefs call save_mount_options() and reiserfs
> calls replace_mount_options(), but they then implement their own
> ->show_options() methods and don't touch s_options, rendering the saved
> options unnecessary.  I'm trying to eliminate s_options to make it easier
> to implement a context-based mount where the mount options can be passed
> individually over a file descriptor.
> 
> Remove the calls to save/replace_mount_options() call in these cases.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>
> cc: Chris Mason <clm@...com>
> cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> cc: Steven Rostedt <rostedt@...dmis.org>
> cc: linux-btrfs@...r.kernel.org
> cc: reiserfs-devel@...r.kernel.org

For debugfs:
Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>