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From: Xiubo Li <xiubli@redhat.com>
To: Jeff Layton <jlayton@kernel.org>, ceph-devel@vger.kernel.org
Cc: idryomov@gmail.com, Luis Henriques <lhenriques@suse.de>
Subject: Re: [PATCH] ceph: only check pool permissions for regular files
Date: Mon, 29 Mar 2021 11:59:37 +0800	[thread overview]
Message-ID: <dd18d0e4-b8e3-2d01-ac8c-ec9952cd2292@redhat.com> (raw)
In-Reply-To: <20210325165606.41943-1-jlayton@kernel.org>

On 2021/3/26 0:56, Jeff Layton wrote:
> There is no need to do a ceph_pool_perm_check() on anything that isn't a
> regular file, as the MDS is what handles talking to the OSD in those
> cases. Just return 0 if it's not a regular file.
>
> Reported-by: Luis Henriques <lhenriques@suse.de>
> Signed-off-by: Jeff Layton <jlayton@kernel.org>
> ---
>   fs/ceph/addr.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
> index d26a88aca014..07cbf21099b8 100644
> --- a/fs/ceph/addr.c
> +++ b/fs/ceph/addr.c
> @@ -1940,6 +1940,10 @@ int ceph_pool_perm_check(struct inode *inode, int need)
>   	s64 pool;
>   	int ret, flags;
>   
> +	/* Only need to do this for regular files */
> +	if (!S_ISREG(inode->i_mode))
> +		return 0;
> +
>   	if (ci->i_vino.snap != CEPH_NOSNAP) {
>   		/*
>   		 * Pool permission check needs to write to the first object.

Reviewed-by: Xiubo Li <xiubli@redhat.com>


      parent reply	other threads:[~2021-03-29  4:00 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-25 16:56 [PATCH] ceph: only check pool permissions for regular files Jeff Layton
2021-03-26 15:10 ` Luis Henriques
2021-03-29  3:59 ` Xiubo Li [this message]

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