1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) 2018 Samsung Electronics Co., Ltd.
6 #ifndef __SHARE_CONFIG_MANAGEMENT_H__
7 #define __SHARE_CONFIG_MANAGEMENT_H__
9 #include <linux/workqueue.h>
10 #include <linux/hashtable.h>
11 #include <linux/path.h>
12 #include <linux/unicode.h>
14 struct ksmbd_share_config {
20 struct list_head veto_list;
25 struct hlist_node hlist;
26 unsigned short create_mask;
27 unsigned short directory_mask;
28 unsigned short force_create_mode;
29 unsigned short force_directory_mode;
30 unsigned short force_uid;
31 unsigned short force_gid;
34 #define KSMBD_SHARE_INVALID_UID ((__u16)-1)
35 #define KSMBD_SHARE_INVALID_GID ((__u16)-1)
38 share_config_create_mode(struct ksmbd_share_config *share,
41 umode_t mode = (posix_mode ?: (umode_t)-1) & share->create_mask;
43 return mode | share->force_create_mode;
47 share_config_directory_mode(struct ksmbd_share_config *share,
50 umode_t mode = (posix_mode ?: (umode_t)-1) & share->directory_mask;
52 return mode | share->force_directory_mode;
55 static inline int test_share_config_flag(struct ksmbd_share_config *share,
58 return share->flags & flag;
61 void ksmbd_share_config_del(struct ksmbd_share_config *share);
62 void __ksmbd_share_config_put(struct ksmbd_share_config *share);
64 static inline void ksmbd_share_config_put(struct ksmbd_share_config *share)
66 if (!atomic_dec_and_test(&share->refcount))
68 __ksmbd_share_config_put(share);
71 struct ksmbd_share_config *ksmbd_share_config_get(struct unicode_map *um,
73 bool ksmbd_share_veto_filename(struct ksmbd_share_config *share,
74 const char *filename);
75 #endif /* __SHARE_CONFIG_MANAGEMENT_H__ */