Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/fs/smb/server/mgmt/share_config.h b/fs/smb/server/mgmt/share_config.h
new file mode 100644
index 000000000..5f591751b
--- /dev/null
+++ b/fs/smb/server/mgmt/share_config.h
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *   Copyright (C) 2018 Samsung Electronics Co., Ltd.
+ */
+
+#ifndef __SHARE_CONFIG_MANAGEMENT_H__
+#define __SHARE_CONFIG_MANAGEMENT_H__
+
+#include <linux/workqueue.h>
+#include <linux/hashtable.h>
+#include <linux/path.h>
+#include <linux/unicode.h>
+
+struct ksmbd_share_config {
+	char			*name;
+	char			*path;
+
+	unsigned int		path_sz;
+	unsigned int		flags;
+	struct list_head	veto_list;
+
+	struct path		vfs_path;
+
+	atomic_t		refcount;
+	struct hlist_node	hlist;
+	unsigned short		create_mask;
+	unsigned short		directory_mask;
+	unsigned short		force_create_mode;
+	unsigned short		force_directory_mode;
+	unsigned short		force_uid;
+	unsigned short		force_gid;
+};
+
+#define KSMBD_SHARE_INVALID_UID	((__u16)-1)
+#define KSMBD_SHARE_INVALID_GID	((__u16)-1)
+
+static inline umode_t
+share_config_create_mode(struct ksmbd_share_config *share,
+			 umode_t posix_mode)
+{
+	umode_t mode = (posix_mode ?: (umode_t)-1) & share->create_mask;
+
+	return mode | share->force_create_mode;
+}
+
+static inline umode_t
+share_config_directory_mode(struct ksmbd_share_config *share,
+			    umode_t posix_mode)
+{
+	umode_t mode = (posix_mode ?: (umode_t)-1) & share->directory_mask;
+
+	return mode | share->force_directory_mode;
+}
+
+static inline int test_share_config_flag(struct ksmbd_share_config *share,
+					 int flag)
+{
+	return share->flags & flag;
+}
+
+void ksmbd_share_config_del(struct ksmbd_share_config *share);
+void __ksmbd_share_config_put(struct ksmbd_share_config *share);
+
+static inline void ksmbd_share_config_put(struct ksmbd_share_config *share)
+{
+	if (!atomic_dec_and_test(&share->refcount))
+		return;
+	__ksmbd_share_config_put(share);
+}
+
+struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um,
+						  const char *name);
+bool ksmbd_share_veto_filename(struct ksmbd_share_config *share,
+			       const char *filename);
+#endif /* __SHARE_CONFIG_MANAGEMENT_H__ */