56 static int get_session(struct cifs_mount_ctx *mnt_ctx, const char *full_path)  in get_session()  argument
58 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in get_session()
62 	rc = cifs_mount_get_session(mnt_ctx);  in get_session()
74 static int add_root_smb_session(struct cifs_mount_ctx *mnt_ctx)  in add_root_smb_session()  argument
76 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in add_root_smb_session()
78 	struct cifs_ses *ses = mnt_ctx->ses;  in add_root_smb_session()
91 		list_add_tail(&root_ses->list, &mnt_ctx->dfs_ses_list);  in add_root_smb_session()
111 static int set_ref_paths(struct cifs_mount_ctx *mnt_ctx,  in set_ref_paths()  argument
115 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in set_ref_paths()
116 	struct cifs_sb_info *cifs_sb = mnt_ctx->cifs_sb;  in set_ref_paths()
139 static int __dfs_referral_walk(struct cifs_mount_ctx *mnt_ctx,  in __dfs_referral_walk()  argument
142 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in __dfs_referral_walk()
150 			rc = dfs_get_referral(mnt_ctx, ref_walk_path(rw) + 1,  in __dfs_referral_walk()
153 				rc = cifs_mount_get_tcon(mnt_ctx);  in __dfs_referral_walk()
155 					rc = cifs_is_path_remote(mnt_ctx);  in __dfs_referral_walk()
169 			cifs_mount_put_conns(mnt_ctx);  in __dfs_referral_walk()
170 			rc = get_session(mnt_ctx, ref_walk_path(rw));  in __dfs_referral_walk()
179 				rc = cifs_mount_get_tcon(mnt_ctx);  in __dfs_referral_walk()
181 					rc = cifs_is_path_remote(mnt_ctx);  in __dfs_referral_walk()
189 				rc = add_root_smb_session(mnt_ctx);  in __dfs_referral_walk()
196 				rc = set_ref_paths(mnt_ctx, &tgt, rw);  in __dfs_referral_walk()
212 static int dfs_referral_walk(struct cifs_mount_ctx *mnt_ctx)  in dfs_referral_walk()  argument
222 	rc = set_ref_paths(mnt_ctx, NULL, rw);  in dfs_referral_walk()
224 		rc = __dfs_referral_walk(mnt_ctx, rw);  in dfs_referral_walk()
229 static int __dfs_mount_share(struct cifs_mount_ctx *mnt_ctx)  in __dfs_mount_share()  argument
231 	struct cifs_sb_info *cifs_sb = mnt_ctx->cifs_sb;  in __dfs_mount_share()
232 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in __dfs_mount_share()
241 	rc = dfs_referral_walk(mnt_ctx);  in __dfs_mount_share()
245 	tcon = mnt_ctx->tcon;  in __dfs_mount_share()
254 		list_replace_init(&mnt_ctx->dfs_ses_list, &tcon->dfs_ses_list);  in __dfs_mount_share()
258 		dfs_put_root_smb_sessions(&mnt_ctx->dfs_ses_list);  in __dfs_mount_share()
286 int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs)  in dfs_mount_share()  argument
288 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in dfs_mount_share()
297 	rc = get_session(mnt_ctx, NULL);  in dfs_mount_share()
301 	ctx->dfs_root_ses = mnt_ctx->ses;  in dfs_mount_share()
310 		rc = dfs_get_referral(mnt_ctx, ctx->UNC + 1, NULL, NULL);  in dfs_mount_share()
319 		rc = cifs_mount_get_tcon(mnt_ctx);  in dfs_mount_share()
321 			rc = cifs_is_path_remote(mnt_ctx);  in dfs_mount_share()
326 	add_root_smb_session(mnt_ctx);  in dfs_mount_share()
327 	return __dfs_mount_share(mnt_ctx);  in dfs_mount_share()