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authorChristian Brauner <christian.brauner@ubuntu.com>2021-01-21 14:19:37 +0100
committerChristian Brauner <christian.brauner@ubuntu.com>2021-01-24 14:27:18 +0100
commitd06c26f196dd5b196dfa5ff9703cf6c1ce921b9d (patch)
tree4f49b6c40788bfa455eeb154ce66488e049aeea7 /fs/utimes.c
parent7c02cf73d0e2bfa18b321731dd35212eb6c92265 (diff)
downloadlinux-d06c26f196dd5b196dfa5ff9703cf6c1ce921b9d.tar.gz
utimes: handle idmapped mounts
Enable the vfs_utimes() helper to handle idmapped mounts by passing down
the mount's user namespace. If the initial user namespace is passed
nothing changes so non-idmapped mounts will see identical behavior as
before.

Link: https://lore.kernel.org/r/20210121131959.646623-19-christian.brauner@ubuntu.com
Cc: Christoph Hellwig <hch@lst.de>
Cc: David Howells <dhowells@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: James Morris <jamorris@linux.microsoft.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Diffstat (limited to 'fs/utimes.c')
-rw-r--r--fs/utimes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/utimes.c b/fs/utimes.c
index 4572b91ddb91..39f356017635 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -62,7 +62,7 @@ int vfs_utimes(const struct path *path, struct timespec64 *times)
 	}
 retry_deleg:
 	inode_lock(inode);
-	error = notify_change(&init_user_ns, path->dentry, &newattrs,
+	error = notify_change(mnt_user_ns(path->mnt), path->dentry, &newattrs,
 			      &delegated_inode);
 	inode_unlock(inode);
 	if (delegated_inode) {