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()
72 static void add_root_smb_session(struct cifs_mount_ctx *mnt_ctx)  in add_root_smb_session()  argument
74 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in add_root_smb_session()
75 	struct cifs_ses *ses = mnt_ctx->ses;  in add_root_smb_session()
98 static int set_ref_paths(struct cifs_mount_ctx *mnt_ctx,  in set_ref_paths()  argument
102 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in set_ref_paths()
103 	struct cifs_sb_info *cifs_sb = mnt_ctx->cifs_sb;  in set_ref_paths()
126 static int __dfs_referral_walk(struct cifs_mount_ctx *mnt_ctx,  in __dfs_referral_walk()  argument
129 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in __dfs_referral_walk()
137 			rc = dfs_get_referral(mnt_ctx, ref_walk_path(rw) + 1,  in __dfs_referral_walk()
140 				rc = cifs_mount_get_tcon(mnt_ctx);  in __dfs_referral_walk()
142 					rc = cifs_is_path_remote(mnt_ctx);  in __dfs_referral_walk()
156 			cifs_mount_put_conns(mnt_ctx);  in __dfs_referral_walk()
157 			rc = get_session(mnt_ctx, ref_walk_path(rw));  in __dfs_referral_walk()
166 				rc = cifs_mount_get_tcon(mnt_ctx);  in __dfs_referral_walk()
168 					rc = cifs_is_path_remote(mnt_ctx);  in __dfs_referral_walk()
176 				add_root_smb_session(mnt_ctx);  in __dfs_referral_walk()
180 				rc = set_ref_paths(mnt_ctx, &tgt, rw);  in __dfs_referral_walk()
196 static int dfs_referral_walk(struct cifs_mount_ctx *mnt_ctx)  in dfs_referral_walk()  argument
206 	rc = set_ref_paths(mnt_ctx, NULL, rw);  in dfs_referral_walk()
208 		rc = __dfs_referral_walk(mnt_ctx, rw);  in dfs_referral_walk()
213 static int __dfs_mount_share(struct cifs_mount_ctx *mnt_ctx)  in __dfs_mount_share()  argument
215 	struct cifs_sb_info *cifs_sb = mnt_ctx->cifs_sb;  in __dfs_mount_share()
216 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in __dfs_mount_share()
226 	rc = dfs_referral_walk(mnt_ctx);  in __dfs_mount_share()
232 		if (WARN_ON(!mnt_ctx->server))  in __dfs_mount_share()
234 		else if (WARN_ON(!mnt_ctx->ses))  in __dfs_mount_share()
236 		else if (WARN_ON(!mnt_ctx->tcon))  in __dfs_mount_share()
242 	tcon = mnt_ctx->tcon;  in __dfs_mount_share()
282 int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs)  in dfs_mount_share()  argument
284 	struct smb3_fs_context *ctx = mnt_ctx->fs_ctx;  in dfs_mount_share()
293 	rc = get_session(mnt_ctx, NULL);  in dfs_mount_share()
305 		rc = dfs_get_referral(mnt_ctx, ctx->UNC + 1, NULL, NULL);  in dfs_mount_share()
314 		rc = cifs_mount_get_tcon(mnt_ctx);  in dfs_mount_share()
316 			rc = cifs_is_path_remote(mnt_ctx);  in dfs_mount_share()
321 	add_root_smb_session(mnt_ctx);  in dfs_mount_share()
322 	rc = __dfs_mount_share(mnt_ctx);  in dfs_mount_share()
323 	dfs_put_root_smb_sessions(mnt_ctx);  in dfs_mount_share()