From: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>
[ Upstream commit 8fe62e0c0e2efa5437f3ee81b65d69e70a45ecd2 ]
The merged API doesn't use a watch_queue device, but instead relies on
pipes, so let the documentation reflect that.
Fixes: f7e47677e39a ("watch_queue: Add a key/keyring notification facility")
Signed-off-by: Gabriel Krisman Bertazi <krisman@xxxxxxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
Acked-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Reviewed-by: Ben Boeckel <mathstuf@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
Documentation/security/keys/core.rst | 4 ++--
samples/Kconfig | 2 +-
samples/watch_queue/watch_test.c | 2 +-
security/keys/Kconfig | 8 ++++----
4 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/Documentation/security/keys/core.rst b/Documentation/security/keys/core.rst
index aa0081685ee11..b3ed5c581034c 100644
--- a/Documentation/security/keys/core.rst
+++ b/Documentation/security/keys/core.rst
@@ -1040,8 +1040,8 @@ The keyctl syscall functions are:
"key" is the ID of the key to be watched.
- "queue_fd" is a file descriptor referring to an open "/dev/watch_queue"
- which manages the buffer into which notifications will be delivered.
+ "queue_fd" is a file descriptor referring to an open pipe which
+ manages the buffer into which notifications will be delivered.
"filter" is either NULL to remove a watch or a filter specification to
indicate what events are required from the key.
diff --git a/samples/Kconfig b/samples/Kconfig
index 0ed6e4d71d87b..e76cdfc50e257 100644
--- a/samples/Kconfig
+++ b/samples/Kconfig
@@ -210,7 +210,7 @@ config SAMPLE_WATCHDOG
depends on CC_CAN_LINK
config SAMPLE_WATCH_QUEUE
- bool "Build example /dev/watch_queue notification consumer"
+ bool "Build example watch_queue notification API consumer"
depends on CC_CAN_LINK && HEADERS_INSTALL
help
Build example userspace program to use the new mount_notify(),
diff --git a/samples/watch_queue/watch_test.c b/samples/watch_queue/watch_test.c
index 46e618a897fef..8c6cb57d5cfc5 100644
--- a/samples/watch_queue/watch_test.c
+++ b/samples/watch_queue/watch_test.c
@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
-/* Use /dev/watch_queue to watch for notifications.
+/* Use watch_queue API to watch for notifications.
*
* Copyright (C) 2020 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@xxxxxxxxxx)
diff --git a/security/keys/Kconfig b/security/keys/Kconfig
index 83bc23409164a..c161642a84841 100644
--- a/security/keys/Kconfig
+++ b/security/keys/Kconfig
@@ -119,7 +119,7 @@ config KEY_NOTIFICATIONS
bool "Provide key/keyring change notifications"
depends on KEYS && WATCH_QUEUE
help
- This option provides support for getting change notifications on keys
- and keyrings on which the caller has View permission. This makes use
- of the /dev/watch_queue misc device to handle the notification
- buffer and provides KEYCTL_WATCH_KEY to enable/disable watches.
+ This option provides support for getting change notifications
+ on keys and keyrings on which the caller has View permission.
+ This makes use of pipes to handle the notification buffer and
+ provides KEYCTL_WATCH_KEY to enable/disable watches.
--
2.27.0
