linux-kernel - Re: [PATCH 5/5] afs: Mark a superblock for an R/O or Backup volume as SB

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Date:   Fri, 17 Nov 2023 11:56:05 -0400
From:   Marc Dionne <marc.dionne@...istor.com>
To:     David Howells <dhowells@...hat.com>
Cc:     linux-afs@...ts.infradead.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] afs: Mark a superblock for an R/O or Backup volume as SB_RDONLY

On Thu, Nov 16, 2023 at 11:53 AM David Howells <dhowells@...hat.com> wrote:
>
> Mark a superblock that is for for an R/O or Backup volume as SB_RDONLY when
> mounting it.
>
> Signed-off-by: David Howells <dhowells@...hat.com>
> cc: Marc Dionne <marc.dionne@...istor.com>
> cc: linux-afs@...ts.infradead.org
> ---
>  fs/afs/super.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fs/afs/super.c b/fs/afs/super.c
> index e95fb4cb4fcd..a01a0fb2cdbb 100644
> --- a/fs/afs/super.c
> +++ b/fs/afs/super.c
> @@ -407,8 +407,10 @@ static int afs_validate_fc(struct fs_context *fc)
>                         return PTR_ERR(volume);
>
>                 ctx->volume = volume;
> -               if (volume->type != AFSVL_RWVOL)
> +               if (volume->type != AFSVL_RWVOL) {
>                         ctx->flock_mode = afs_flock_mode_local;
> +                       fc->sb_flags |= SB_RDONLY;
> +               }
>         }
>
>         return 0;

Reviewed-by: Marc Dionne <marc.dionne@...istor.com>

Marc