12 struct autofs_info *autofs_new_ino(struct autofs_sb_info *sbi)  in autofs_new_ino()  argument
21 		ino->sbi = sbi;  in autofs_new_ino()
41 	struct autofs_sb_info *sbi = autofs_sbi(sb);  in autofs_kill_sb()  local
49 	if (sbi) {  in autofs_kill_sb()
51 		autofs_catatonic_mode(sbi);  in autofs_kill_sb()
52 		put_pid(sbi->oz_pgrp);  in autofs_kill_sb()
57 	if (sbi)  in autofs_kill_sb()
58 		kfree_rcu(sbi, rcu);  in autofs_kill_sb()
63 	struct autofs_sb_info *sbi = autofs_sbi(root->d_sb);  in autofs_show_options()  local
66 	if (!sbi)  in autofs_show_options()
69 	seq_printf(m, ",fd=%d", sbi->pipefd);  in autofs_show_options()
76 	seq_printf(m, ",pgrp=%d", pid_vnr(sbi->oz_pgrp));  in autofs_show_options()
77 	seq_printf(m, ",timeout=%lu", sbi->exp_timeout/HZ);  in autofs_show_options()
78 	seq_printf(m, ",minproto=%d", sbi->min_proto);  in autofs_show_options()
79 	seq_printf(m, ",maxproto=%d", sbi->max_proto);  in autofs_show_options()
81 	if (autofs_type_offset(sbi->type))  in autofs_show_options()
83 	else if (autofs_type_direct(sbi->type))  in autofs_show_options()
87 	if (sbi->flags & AUTOFS_SBI_STRICTEXPIRE)  in autofs_show_options()
89 	if (sbi->flags & AUTOFS_SBI_IGNORE)  in autofs_show_options()
92 	if (sbi->pipe)  in autofs_show_options()
93 		seq_printf(m, ",pipe_ino=%ld", file_inode(sbi->pipe)->i_ino);  in autofs_show_options()
153 static int autofs_parse_fd(struct fs_context *fc, struct autofs_sb_info *sbi,  in autofs_parse_fd()  argument
182 	if (sbi->pipe)  in autofs_parse_fd()
183 		fput(sbi->pipe);  in autofs_parse_fd()
185 	sbi->pipefd = result->uint_32;  in autofs_parse_fd()
186 	sbi->pipe = pipe;  in autofs_parse_fd()
194 	struct autofs_sb_info *sbi = fc->s_fs_info;  in autofs_parse_param()  local
206 		return autofs_parse_fd(fc, sbi, param, &result);  in autofs_parse_param()
224 		sbi->min_proto = result.uint_32;  in autofs_parse_param()
227 		sbi->max_proto = result.uint_32;  in autofs_parse_param()
230 		set_autofs_type_indirect(&sbi->type);  in autofs_parse_param()
233 		set_autofs_type_direct(&sbi->type);  in autofs_parse_param()
236 		set_autofs_type_offset(&sbi->type);  in autofs_parse_param()
239 		sbi->flags |= AUTOFS_SBI_STRICTEXPIRE;  in autofs_parse_param()
242 		sbi->flags |= AUTOFS_SBI_IGNORE;  in autofs_parse_param()
250 	struct autofs_sb_info *sbi;  in autofs_alloc_sbi()  local
252 	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);  in autofs_alloc_sbi()
253 	if (!sbi)  in autofs_alloc_sbi()
256 	sbi->magic = AUTOFS_SBI_MAGIC;  in autofs_alloc_sbi()
257 	sbi->flags = AUTOFS_SBI_CATATONIC;  in autofs_alloc_sbi()
258 	sbi->min_proto = AUTOFS_MIN_PROTO_VERSION;  in autofs_alloc_sbi()
259 	sbi->max_proto = AUTOFS_MAX_PROTO_VERSION;  in autofs_alloc_sbi()
260 	sbi->pipefd = -1;  in autofs_alloc_sbi()
262 	set_autofs_type_indirect(&sbi->type);  in autofs_alloc_sbi()
263 	mutex_init(&sbi->wq_mutex);  in autofs_alloc_sbi()
264 	mutex_init(&sbi->pipe_mutex);  in autofs_alloc_sbi()
265 	spin_lock_init(&sbi->fs_lock);  in autofs_alloc_sbi()
266 	spin_lock_init(&sbi->lookup_lock);  in autofs_alloc_sbi()
267 	INIT_LIST_HEAD(&sbi->active_list);  in autofs_alloc_sbi()
268 	INIT_LIST_HEAD(&sbi->expiring_list);  in autofs_alloc_sbi()
270 	return sbi;  in autofs_alloc_sbi()
275 	struct autofs_sb_info *sbi = fc->s_fs_info;  in autofs_validate_protocol()  local
278 	if (sbi->max_proto < AUTOFS_MIN_PROTO_VERSION ||  in autofs_validate_protocol()
279 	    sbi->min_proto > AUTOFS_MAX_PROTO_VERSION) {  in autofs_validate_protocol()
282 		       sbi->min_proto, sbi->max_proto,  in autofs_validate_protocol()
288 	if (sbi->max_proto > AUTOFS_MAX_PROTO_VERSION)  in autofs_validate_protocol()
289 		sbi->version = AUTOFS_MAX_PROTO_VERSION;  in autofs_validate_protocol()
291 		sbi->version = sbi->max_proto;  in autofs_validate_protocol()
293 	switch (sbi->version) {  in autofs_validate_protocol()
295 		sbi->sub_version = 7;  in autofs_validate_protocol()
298 		sbi->sub_version = AUTOFS_PROTO_SUBVERSION;  in autofs_validate_protocol()
301 		sbi->sub_version = 0;  in autofs_validate_protocol()
310 	struct autofs_sb_info *sbi = s->s_fs_info;  in autofs_fill_super()  local
314 	pr_debug("starting up, sbi = %p\n", sbi);  in autofs_fill_super()
316 	sbi->sb = s;  in autofs_fill_super()
327 	ino = autofs_new_ino(sbi);  in autofs_fill_super()
348 		sbi->oz_pgrp = find_get_pid(ctx->pgrp);  in autofs_fill_super()
349 		if (!sbi->oz_pgrp)  in autofs_fill_super()
353 		sbi->oz_pgrp = get_task_pid(current, PIDTYPE_PGID);  in autofs_fill_super()
355 	if (autofs_type_trigger(sbi->type))  in autofs_fill_super()
363 		 sbi->pipefd, pid_nr(sbi->oz_pgrp));  in autofs_fill_super()
365 	sbi->flags &= ~AUTOFS_SBI_CATATONIC;  in autofs_fill_super()
374 	struct autofs_sb_info *sbi = fc->s_fs_info;  in autofs_get_tree()  local
381 	if (sbi->pipefd < 0)  in autofs_get_tree()
390 	struct autofs_sb_info *sbi = fc->s_fs_info;  in autofs_free_fc()  local
392 	if (sbi) {  in autofs_free_fc()
393 		if (sbi->pipe)  in autofs_free_fc()
394 			fput(sbi->pipe);  in autofs_free_fc()
395 		kfree(sbi);  in autofs_free_fc()
412 	struct autofs_sb_info *sbi;  in autofs_init_fs_context()  local
421 	sbi = autofs_alloc_sbi();  in autofs_init_fs_context()
422 	if (!sbi)  in autofs_init_fs_context()
426 	fc->s_fs_info = sbi;  in autofs_init_fs_context()