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authorThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-06-19 16:33:14 +0200
commitde8a334f215c5a5c5bb070df4325af824d7eaaf1 (patch)
treeb1106ab401a46ce66725f61a7d1b067e9a08f859 /fs/smb/server/mgmt/ksmbd_ida.c
parentdrm: Remove struct drm_driver.gem_prime_mmap (diff)
parentMerge tag 'drm-msm-next-2023-06-18' of https://gitlab.freedesktop.org/drm/msm... (diff)
downloadlinux-de8a334f215c5a5c5bb070df4325af824d7eaaf1.tar.xz
linux-de8a334f215c5a5c5bb070df4325af824d7eaaf1.zip
Merge drm/drm-next into drm-misc-next
Backmerging into drm-misc-next to get commit 2c1c7ba457d4 ("drm/amdgpu: support partition drm devices"), which is required to fix commit 0adec22702d4 ("drm: Remove struct drm_driver.gem_prime_mmap"). Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'fs/smb/server/mgmt/ksmbd_ida.c')
-rw-r--r--fs/smb/server/mgmt/ksmbd_ida.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/fs/smb/server/mgmt/ksmbd_ida.c b/fs/smb/server/mgmt/ksmbd_ida.c
new file mode 100644
index 000000000000..54194d959a5e
--- /dev/null
+++ b/fs/smb/server/mgmt/ksmbd_ida.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ */
+
+#include "ksmbd_ida.h"
+
+static inline int __acquire_id(struct ida *ida, int from, int to)
+{
+ return ida_simple_get(ida, from, to, GFP_KERNEL);
+}
+
+int ksmbd_acquire_smb2_tid(struct ida *ida)
+{
+ int id;
+
+ id = __acquire_id(ida, 1, 0xFFFFFFFF);
+
+ return id;
+}
+
+int ksmbd_acquire_smb2_uid(struct ida *ida)
+{
+ int id;
+
+ id = __acquire_id(ida, 1, 0);
+ if (id == 0xFFFE)
+ id = __acquire_id(ida, 1, 0);
+
+ return id;
+}
+
+int ksmbd_acquire_async_msg_id(struct ida *ida)
+{
+ return __acquire_id(ida, 1, 0);
+}
+
+int ksmbd_acquire_id(struct ida *ida)
+{
+ return __acquire_id(ida, 0, 0);
+}
+
+void ksmbd_release_id(struct ida *ida, int id)
+{
+ ida_simple_remove(ida, id);
+}