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From: Christian Brauner <brauner@kernel.org>
To: Amir Goldstein <amir73il@gmail.com>,
	Miklos Szeredi <mszeredi@redhat.com>
Cc: "Christian Brauner" <brauner@kernel.org>,
	"Christoph Hellwig" <hch@lst.de>,
	linux-unionfs@vger.kernel.org, "Aleksa Sarai" <cyphar@cyphar.com>,
	"Giuseppe Scrivano" <gscrivan@redhat.com>,
	"Rodrigo Campos Catelin" <rodrigoca@microsoft.com>,
	"Seth Forshee" <sforshee@digitalocean.com>,
	"Luca Bocassi" <luca.boccassi@microsoft.com>,
	"Lennart Poettering" <mzxreary@0pointer.de>,
	"Stéphane Graber" <stgraber@ubuntu.com>
Subject: [PATCH 11/18] ovl: handle idmappings for layer fileattrs
Date: Tue, 29 Mar 2022 12:35:18 +0200	[thread overview]
Message-ID: <20220329103526.1207086-12-brauner@kernel.org> (raw)
In-Reply-To: <20220329103526.1207086-1-brauner@kernel.org>

Take the upper mount's idmapping into account when setting fileattrs on
the upper layer. This is needed to support idmapped base layers with
overlay.

Cc: <linux-unionfs@vger.kernel.org>
Tested-by: Giuseppe Scrivano <gscrivan@redhat.com>
Reviewed-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
---
 fs/overlayfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 763dada2ae68..f18b02b9dd53 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -537,7 +537,7 @@ int ovl_real_fileattr_set(struct path *realpath, struct fileattr *fa)
 	if (err)
 		return err;
 
-	return vfs_fileattr_set(&init_user_ns, realpath->dentry, fa);
+	return vfs_fileattr_set(mnt_user_ns(realpath->mnt), realpath->dentry, fa);
 }
 
 int ovl_fileattr_set(struct user_namespace *mnt_userns,
-- 
2.32.0


  parent reply	other threads:[~2022-03-29 10:37 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-29 10:35 [PATCH 00/18] overlay: support idmapped layers Christian Brauner
2022-03-29 10:35 ` [PATCH 01/18] fs: add two trivial lookup helpers Christian Brauner
2022-03-29 10:35 ` [PATCH 02/18] exportfs: support idmapped mounts Christian Brauner
2022-03-29 10:35 ` [PATCH 03/18] ovl: use wrappers to all vfs_*xattr() calls Christian Brauner
2022-03-29 11:18   ` Miklos Szeredi
2022-03-29 10:35 ` [PATCH 04/18] ovl: pass ofs to creation operations Christian Brauner
2022-03-29 10:35 ` [PATCH 05/18] ovl: handle idmappings in " Christian Brauner
2022-03-29 11:22   ` Miklos Szeredi
2022-03-29 10:35 ` [PATCH 06/18] ovl: pass ofs to setattr operations Christian Brauner
2022-03-29 10:35 ` [PATCH 07/18] ovl: pass layer mnt to ovl_open_realfile() Christian Brauner
2022-03-29 10:35 ` [PATCH 08/18] ovl: use ovl_do_notify_change() wrapper Christian Brauner
2022-03-29 11:56   ` Miklos Szeredi
2022-03-29 12:36     ` Christian Brauner
2022-03-29 10:35 ` [PATCH 09/18] ovl: use ovl_lookup_upper() wrapper Christian Brauner
2022-03-29 10:35 ` [PATCH 10/18] ovl: use ovl_path_getxattr() wrapper Christian Brauner
2022-03-29 10:35 ` Christian Brauner [this message]
2022-03-29 10:35 ` [PATCH 12/18] ovl: handle idmappings for layer lookup Christian Brauner
2022-03-29 10:35 ` [PATCH 13/18] ovl: store lower path in ovl_inode Christian Brauner
2022-03-29 10:35 ` [PATCH 14/18] ovl: use ovl_copy_{real,upper}attr() wrappers Christian Brauner
2022-03-29 10:35 ` [PATCH 15/18] ovl: handle idmappings in ovl_permission() Christian Brauner
2022-03-29 10:35 ` [PATCH 16/18] ovl: handle idmappings in layer open helpers Christian Brauner
2022-03-29 10:35 ` [PATCH 17/18] ovl: handle idmappings in ovl_xattr_{g,s}et() Christian Brauner
2022-03-29 10:35 ` [PATCH 18/18] ovl: support idmapped layers Christian Brauner
2022-03-29 12:25 ` [PATCH 00/18] overlay: " Miklos Szeredi
2022-03-29 15:02   ` Amir Goldstein
2022-03-30 20:58 ` Vivek Goyal
2022-03-31  8:47   ` Christian Brauner
2022-03-31  9:55     ` Giuseppe Scrivano

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