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List:       linux-unionfs
Subject:    [PATCH v3 12/19] ovl: handle idmappings for layer fileattrs
From:       Christian Brauner <brauner () kernel ! org>
Date:       2022-03-31 11:23:10
Message-ID: 20220331112318.1377494-13-brauner () kernel ! org
[Download RAW message or body]

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>
---
/* v2 */
unchanged

/* v3 */
unchanged
---
 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

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