17 static bool __cachefiles_mark_inode_in_use(struct cachefiles_object *object,  in __cachefiles_mark_inode_in_use()  argument
24 		trace_cachefiles_mark_active(object, inode);  in __cachefiles_mark_inode_in_use()
27 		trace_cachefiles_mark_failed(object, inode);  in __cachefiles_mark_inode_in_use()
33 static bool cachefiles_mark_inode_in_use(struct cachefiles_object *object,  in cachefiles_mark_inode_in_use()  argument
39 	can_use = __cachefiles_mark_inode_in_use(object, inode);  in cachefiles_mark_inode_in_use()
47 static void __cachefiles_unmark_inode_in_use(struct cachefiles_object *object,  in __cachefiles_unmark_inode_in_use()  argument
51 	trace_cachefiles_mark_inactive(object, inode);  in __cachefiles_unmark_inode_in_use()
54 static void cachefiles_do_unmark_inode_in_use(struct cachefiles_object *object,  in cachefiles_do_unmark_inode_in_use()  argument
58 	__cachefiles_unmark_inode_in_use(object, inode);  in cachefiles_do_unmark_inode_in_use()
66 void cachefiles_unmark_inode_in_use(struct cachefiles_object *object,  in cachefiles_unmark_inode_in_use()  argument
69 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_unmark_inode_in_use()
72 	cachefiles_do_unmark_inode_in_use(object, inode);  in cachefiles_unmark_inode_in_use()
74 	if (!test_bit(CACHEFILES_OBJECT_USING_TMPFILE, &object->flags)) {  in cachefiles_unmark_inode_in_use()
232 			     struct cachefiles_object *object,  in cachefiles_unlink()  argument
242 	trace_cachefiles_unlink(object, d_inode(dentry)->i_ino, why);  in cachefiles_unlink()
256 		trace_cachefiles_vfs_error(object, d_backing_inode(dir), ret,  in cachefiles_unlink()
270 			   struct cachefiles_object *object,  in cachefiles_bury_object()  argument
291 		ret = cachefiles_unlink(cache, object, dir, rep, why);  in cachefiles_bury_object()
366 		trace_cachefiles_rename(object, d_inode(rep)->i_ino, why);  in cachefiles_bury_object()
371 			trace_cachefiles_vfs_error(object, d_inode(dir), ret,  in cachefiles_bury_object()
378 	__cachefiles_unmark_inode_in_use(object, d_inode(rep));  in cachefiles_bury_object()
387 int cachefiles_delete_object(struct cachefiles_object *object,  in cachefiles_delete_object()  argument
390 	struct cachefiles_volume *volume = object->volume;  in cachefiles_delete_object()
391 	struct dentry *dentry = object->file->f_path.dentry;  in cachefiles_delete_object()
392 	struct dentry *fan = volume->fanout[(u8)object->cookie->key_hash];  in cachefiles_delete_object()
395 	_enter(",OBJ%x{%pD}", object->debug_id, object->file);  in cachefiles_delete_object()
401 		ret = cachefiles_unlink(volume->cache, object, fan, dentry, why);  in cachefiles_delete_object()
410 struct file *cachefiles_create_tmpfile(struct cachefiles_object *object)  in cachefiles_create_tmpfile()  argument
412 	struct cachefiles_volume *volume = object->volume;  in cachefiles_create_tmpfile()
415 	struct dentry *fan = volume->fanout[(u8)object->cookie->key_hash];  in cachefiles_create_tmpfile()
433 		trace_cachefiles_vfs_error(object, d_inode(fan), ret,  in cachefiles_create_tmpfile()
436 			cachefiles_io_error_obj(object, "Failed to create tmpfile");  in cachefiles_create_tmpfile()
440 	trace_cachefiles_tmpfile(object, file_inode(file));  in cachefiles_create_tmpfile()
443 	if (!cachefiles_mark_inode_in_use(object, file_inode(file)))  in cachefiles_create_tmpfile()
446 	ret = cachefiles_ondemand_init_object(object);  in cachefiles_create_tmpfile()
450 	ni_size = object->cookie->object_size;  in cachefiles_create_tmpfile()
454 		trace_cachefiles_trunc(object, file_inode(file), 0, ni_size,  in cachefiles_create_tmpfile()
461 				object, file_inode(file), ret,  in cachefiles_create_tmpfile()
479 	cachefiles_do_unmark_inode_in_use(object, file_inode(file));  in cachefiles_create_tmpfile()
489 static bool cachefiles_create_file(struct cachefiles_object *object)  in cachefiles_create_file()  argument
494 	ret = cachefiles_has_space(object->volume->cache, 1, 0,  in cachefiles_create_file()
499 	file = cachefiles_create_tmpfile(object);  in cachefiles_create_file()
503 	set_bit(FSCACHE_COOKIE_NEEDS_UPDATE, &object->cookie->flags);  in cachefiles_create_file()
504 	set_bit(CACHEFILES_OBJECT_USING_TMPFILE, &object->flags);  in cachefiles_create_file()
506 	object->file = file;  in cachefiles_create_file()
514 static bool cachefiles_open_file(struct cachefiles_object *object,  in cachefiles_open_file()  argument
517 	struct cachefiles_cache *cache = object->volume->cache;  in cachefiles_open_file()
524 	if (!cachefiles_mark_inode_in_use(object, d_inode(dentry))) {  in cachefiles_open_file()
538 		trace_cachefiles_vfs_error(object, d_backing_inode(dentry),  in cachefiles_open_file()
551 	ret = cachefiles_ondemand_init_object(object);  in cachefiles_open_file()
555 	ret = cachefiles_check_auxdata(object, file);  in cachefiles_open_file()
559 	clear_bit(FSCACHE_COOKIE_NO_DATA_TO_READ, &object->cookie->flags);  in cachefiles_open_file()
561 	object->file = file;  in cachefiles_open_file()
571 	fscache_cookie_lookup_negative(object->cookie);  in cachefiles_open_file()
572 	cachefiles_unmark_inode_in_use(object, file);  in cachefiles_open_file()
575 		return cachefiles_create_file(object);  in cachefiles_open_file()
581 	cachefiles_do_unmark_inode_in_use(object, d_inode(dentry));  in cachefiles_open_file()
589 bool cachefiles_look_up_object(struct cachefiles_object *object)  in cachefiles_look_up_object()  argument
591 	struct cachefiles_volume *volume = object->volume;  in cachefiles_look_up_object()
592 	struct dentry *dentry, *fan = volume->fanout[(u8)object->cookie->key_hash];  in cachefiles_look_up_object()
595 	_enter("OBJ%x,%s,", object->debug_id, object->d_name);  in cachefiles_look_up_object()
601 						      &QSTR(object->d_name), fan);  in cachefiles_look_up_object()
604 	trace_cachefiles_lookup(object, fan, dentry);  in cachefiles_look_up_object()
609 			cachefiles_io_error_obj(object, "Lookup failed");  in cachefiles_look_up_object()
619 			ret = cachefiles_bury_object(volume->cache, object,  in cachefiles_look_up_object()
628 	ret = cachefiles_open_file(object, dentry);  in cachefiles_look_up_object()
633 	_leave(" = t [%llu]", file_inode(object->file)->i_ino);  in cachefiles_look_up_object()
637 	fscache_cookie_lookup_negative(object->cookie);  in cachefiles_look_up_object()
638 	return cachefiles_create_file(object);  in cachefiles_look_up_object()
645 			       struct cachefiles_object *object)  in cachefiles_commit_tmpfile()  argument
647 	struct cachefiles_volume *volume = object->volume;  in cachefiles_commit_tmpfile()
648 	struct dentry *dentry, *fan = volume->fanout[(u8)object->cookie->key_hash];  in cachefiles_commit_tmpfile()
652 	_enter(",%pD", object->file);  in cachefiles_commit_tmpfile()
656 		dentry = start_creating(&nop_mnt_idmap, fan, &QSTR(object->d_name));  in cachefiles_commit_tmpfile()
660 		trace_cachefiles_vfs_error(object, d_inode(fan), PTR_ERR(dentry),  in cachefiles_commit_tmpfile()
671 		ret = cachefiles_unlink(volume->cache, object, fan, dentry,  in cachefiles_commit_tmpfile()
681 						&QSTR(object->d_name));  in cachefiles_commit_tmpfile()
685 			trace_cachefiles_vfs_error(object, d_inode(fan), PTR_ERR(dentry),  in cachefiles_commit_tmpfile()
694 		ret = vfs_link(object->file->f_path.dentry, &nop_mnt_idmap,  in cachefiles_commit_tmpfile()
697 		trace_cachefiles_vfs_error(object, d_inode(fan), ret,  in cachefiles_commit_tmpfile()
701 		trace_cachefiles_link(object, file_inode(object->file));  in cachefiles_commit_tmpfile()
702 		spin_lock(&object->lock);  in cachefiles_commit_tmpfile()
704 		clear_bit(CACHEFILES_OBJECT_USING_TMPFILE, &object->flags);  in cachefiles_commit_tmpfile()
705 		spin_unlock(&object->lock);  in cachefiles_commit_tmpfile()