From: Seth Forshee <sforshee@digitalocean.com>
To: Christian Brauner <brauner@kernel.org>
Cc: linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH 5/6] ovl: use vfs_set_acl_prepare()
Date: Tue, 30 Aug 2022 07:56:39 -0500 [thread overview]
Message-ID: <Yw4JBzKR2OD3HDQZ@do-x1extreme> (raw)
In-Reply-To: <20220829123843.1146874-6-brauner@kernel.org>
On Mon, Aug 29, 2022 at 02:38:44PM +0200, Christian Brauner wrote:
> The posix_acl_from_xattr() helper should mainly be used in
> i_op->get_acl() handlers. It translates from the uapi struct into the
> kernel internal POSIX ACL representation and doesn't care about mount
> idmappings.
>
> Use the vfs_set_acl_prepare() helper to generate a kernel internal POSIX
> ACL representation in struct posix_acl format taking care to map from
> the mount idmapping into the filesystem's idmapping.
>
> The returned struct posix_acl is in the correct format to be cached by
> the VFS or passed to the filesystem's i_op->set_acl() method to write to
> the backing store.
>
> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Reviewed-by: Seth Forshee (DigitalOcean) <sforshee@kernel.org>
next prev parent reply other threads:[~2022-08-30 12:57 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-29 12:38 [PATCH 0/6] acl: rework idmap handling when setting posix acls Christian Brauner
2022-08-29 12:38 ` [PATCH 1/6] ntfs3: rework xattr handlers and switch to POSIX ACL VFS helpers Christian Brauner
2022-08-29 12:44 ` Christian Brauner
2022-08-30 12:51 ` Seth Forshee
2022-08-29 12:38 ` [PATCH 2/6] acl: return EOPNOTSUPP in posix_acl_fix_xattr_common() Christian Brauner
2022-08-30 12:51 ` Seth Forshee
2022-09-06 4:54 ` Christoph Hellwig
2022-08-29 12:38 ` [PATCH 3/6] acl: add vfs_set_acl_prepare() Christian Brauner
2022-08-30 12:55 ` Seth Forshee
2022-09-06 4:57 ` Christoph Hellwig
2022-09-06 7:45 ` Christian Brauner
2022-09-06 7:53 ` Christoph Hellwig
2022-09-06 8:07 ` Christian Brauner
2022-09-06 8:15 ` Christoph Hellwig
2022-09-06 8:24 ` Christian Brauner
2022-09-06 8:28 ` Christoph Hellwig
2022-09-09 8:03 ` Christian Brauner
2022-09-09 14:58 ` Christoph Hellwig
2022-08-29 12:38 ` [PATCH 4/6] acl: move idmapping handling into posix_acl_xattr_set() Christian Brauner
2022-08-30 12:56 ` Seth Forshee
2022-08-29 12:38 ` [PATCH 5/6] ovl: use vfs_set_acl_prepare() Christian Brauner
2022-08-29 12:46 ` Christian Brauner
2022-08-30 12:56 ` Seth Forshee [this message]
2022-08-29 12:38 ` [PATCH 6/6] xattr: constify value argument in vfs_setxattr() Christian Brauner
2022-08-30 12:57 ` Seth Forshee
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