59 	struct fuse_file *ff;  in fuse_file_alloc()  local
61 	ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL_ACCOUNT);  in fuse_file_alloc()
62 	if (unlikely(!ff))  in fuse_file_alloc()
65 	ff->fm = fm;  in fuse_file_alloc()
66 	ff->release_args = kzalloc(sizeof(*ff->release_args),  in fuse_file_alloc()
68 	if (!ff->release_args) {  in fuse_file_alloc()
69 		kfree(ff);  in fuse_file_alloc()
73 	INIT_LIST_HEAD(&ff->write_entry);  in fuse_file_alloc()
74 	mutex_init(&ff->readdir.lock);  in fuse_file_alloc()
75 	refcount_set(&ff->count, 1);  in fuse_file_alloc()
76 	RB_CLEAR_NODE(&ff->polled_node);  in fuse_file_alloc()
77 	init_waitqueue_head(&ff->poll_wait);  in fuse_file_alloc()
79 	ff->kh = atomic64_inc_return(&fm->fc->khctr);  in fuse_file_alloc()
81 	return ff;  in fuse_file_alloc()
84 void fuse_file_free(struct fuse_file *ff)  in fuse_file_free()  argument
86 	kfree(ff->release_args);  in fuse_file_free()
87 	mutex_destroy(&ff->readdir.lock);  in fuse_file_free()
88 	kfree(ff);  in fuse_file_free()
91 static struct fuse_file *fuse_file_get(struct fuse_file *ff)  in fuse_file_get()  argument
93 	refcount_inc(&ff->count);  in fuse_file_get()
94 	return ff;  in fuse_file_get()
106 static void fuse_file_put(struct fuse_file *ff, bool sync, bool isdir)  in fuse_file_put()  argument
108 	if (refcount_dec_and_test(&ff->count)) {  in fuse_file_put()
109 		struct fuse_args *args = &ff->release_args->args;  in fuse_file_put()
111 		if (isdir ? ff->fm->fc->no_opendir : ff->fm->fc->no_open) {  in fuse_file_put()
113 			fuse_release_end(ff->fm, args, 0);  in fuse_file_put()
115 			fuse_simple_request(ff->fm, args);  in fuse_file_put()
116 			fuse_release_end(ff->fm, args, 0);  in fuse_file_put()
119 			if (fuse_simple_background(ff->fm, args,  in fuse_file_put()
121 				fuse_release_end(ff->fm, args, -ENOTCONN);  in fuse_file_put()
123 		kfree(ff);  in fuse_file_put()
131 	struct fuse_file *ff;  in fuse_file_open()  local
134 	ff = fuse_file_alloc(fm);  in fuse_file_open()
135 	if (!ff)  in fuse_file_open()
138 	ff->fh = 0;  in fuse_file_open()
140 	ff->open_flags = FOPEN_KEEP_CACHE | (isdir ? FOPEN_CACHE_DIR : 0);  in fuse_file_open()
147 			ff->fh = outarg.fh;  in fuse_file_open()
148 			ff->open_flags = outarg.open_flags;  in fuse_file_open()
151 			fuse_file_free(ff);  in fuse_file_open()
162 		ff->open_flags &= ~FOPEN_DIRECT_IO;  in fuse_file_open()
164 	ff->nodeid = nodeid;  in fuse_file_open()
166 	return ff;  in fuse_file_open()
172 	struct fuse_file *ff = fuse_file_open(fm, nodeid, file->f_flags, isdir);  in fuse_do_open()  local
174 	if (!IS_ERR(ff))  in fuse_do_open()
175 		file->private_data = ff;  in fuse_do_open()
177 	return PTR_ERR_OR_ZERO(ff);  in fuse_do_open()
185 	struct fuse_file *ff = file->private_data;  in fuse_link_write_file()  local
191 	if (list_empty(&ff->write_entry))  in fuse_link_write_file()
192 		list_add(&ff->write_entry, &fi->write_files);  in fuse_link_write_file()
198 	struct fuse_file *ff = file->private_data;  in fuse_finish_open()  local
201 	if (ff->open_flags & FOPEN_STREAM)  in fuse_finish_open()
203 	else if (ff->open_flags & FOPEN_NONSEEKABLE)  in fuse_finish_open()
258 		struct fuse_file *ff = file->private_data;  in fuse_open_common()  local
262 		else if (!(ff->open_flags & FOPEN_KEEP_CACHE))  in fuse_open_common()
274 static void fuse_prepare_release(struct fuse_inode *fi, struct fuse_file *ff,  in fuse_prepare_release()  argument
277 	struct fuse_conn *fc = ff->fm->fc;  in fuse_prepare_release()
278 	struct fuse_release_args *ra = ff->release_args;  in fuse_prepare_release()
283 		list_del(&ff->write_entry);  in fuse_prepare_release()
287 	if (!RB_EMPTY_NODE(&ff->polled_node))  in fuse_prepare_release()
288 		rb_erase(&ff->polled_node, &fc->polled_files);  in fuse_prepare_release()
291 	wake_up_interruptible_all(&ff->poll_wait);  in fuse_prepare_release()
293 	ra->inarg.fh = ff->fh;  in fuse_prepare_release()
299 	ra->args.nodeid = ff->nodeid;  in fuse_prepare_release()
304 void fuse_file_release(struct inode *inode, struct fuse_file *ff,  in fuse_file_release()  argument
308 	struct fuse_release_args *ra = ff->release_args;  in fuse_file_release()
311 	fuse_prepare_release(fi, ff, open_flags, opcode);  in fuse_file_release()
313 	if (ff->flock) {  in fuse_file_release()
315 		ra->inarg.lock_owner = fuse_lock_owner_id(ff->fm->fc, id);  in fuse_file_release()
329 	fuse_file_put(ff, ff->fm->fc->destroy, isdir);  in fuse_file_release()
360 void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff,  in fuse_sync_release()  argument
363 	WARN_ON(refcount_read(&ff->count) > 1);  in fuse_sync_release()
364 	fuse_prepare_release(fi, ff, flags, FUSE_RELEASE);  in fuse_sync_release()
369 	fuse_file_put(ff, true, false);  in fuse_sync_release()
484 	struct fuse_file *ff = file->private_data;  in fuse_flush()  local
492 	if (ff->open_flags & FOPEN_NOFLUSH && !fm->fc->writeback_cache)  in fuse_flush()
512 	inarg.fh = ff->fh;  in fuse_flush()
542 	struct fuse_file *ff = file->private_data;  in fuse_fsync_common()  local
547 	inarg.fh = ff->fh;  in fuse_fsync_common()
610 	struct fuse_file *ff = file->private_data;  in fuse_read_args_fill()  local
613 	ia->read.in.fh = ff->fh;  in fuse_read_args_fill()
618 	args->nodeid = ff->nodeid;  in fuse_read_args_fill()
783 	struct fuse_file *ff = file->private_data;  in fuse_send_read()  local
784 	struct fuse_mount *fm = ff->fm;  in fuse_send_read()
925 	if (ia->ff)  in fuse_readpages_end()
926 		fuse_file_put(ia->ff, false, false);  in fuse_readpages_end()
933 	struct fuse_file *ff = file->private_data;  in fuse_send_readpages()  local
934 	struct fuse_mount *fm = ff->fm;  in fuse_send_readpages()
955 		ia->ff = fuse_file_get(ff);  in fuse_send_readpages()
1032 static void fuse_write_args_fill(struct fuse_io_args *ia, struct fuse_file *ff,  in fuse_write_args_fill()  argument
1037 	ia->write.in.fh = ff->fh;  in fuse_write_args_fill()
1041 	args->nodeid = ff->nodeid;  in fuse_write_args_fill()
1043 	if (ff->fm->fc->minor < 9)  in fuse_write_args_fill()
1071 	struct fuse_file *ff = file->private_data;  in fuse_send_write()  local
1072 	struct fuse_mount *fm = ff->fm;  in fuse_send_write()
1076 	fuse_write_args_fill(ia, ff, pos, count);  in fuse_send_write()
1118 	struct fuse_file *ff = file->private_data;  in fuse_send_write_pages()  local
1119 	struct fuse_mount *fm = ff->fm;  in fuse_send_write_pages()
1127 	fuse_write_args_fill(ia, ff, pos, count);  in fuse_send_write_pages()
1455 	struct fuse_file *ff = file->private_data;  in fuse_direct_io()  local
1456 	struct fuse_conn *fc = ff->fm->fc;  in fuse_direct_io()
1592 	struct fuse_file *ff = file->private_data;  in fuse_file_read_iter()  local
1601 	if (!(ff->open_flags & FOPEN_DIRECT_IO))  in fuse_file_read_iter()
1610 	struct fuse_file *ff = file->private_data;  in fuse_file_write_iter()  local
1619 	if (!(ff->open_flags & FOPEN_DIRECT_IO))  in fuse_file_write_iter()
1636 	if (wpa->ia.ff)  in fuse_writepage_free()
1637 		fuse_file_put(wpa->ia.ff, false, false);  in fuse_writepage_free()
1804 		next->ia.ff = fuse_file_get(wpa->ia.ff);  in fuse_writepage_end()
1840 	struct fuse_file *ff;  in __fuse_write_file_get()  local
1843 	ff = list_first_entry_or_null(&fi->write_files, struct fuse_file,  in __fuse_write_file_get()
1845 	if (ff)  in __fuse_write_file_get()
1846 		fuse_file_get(ff);  in __fuse_write_file_get()
1849 	return ff;  in __fuse_write_file_get()
1854 	struct fuse_file *ff = __fuse_write_file_get(fi);  in fuse_write_file_get()  local
1855 	WARN_ON(!ff);  in fuse_write_file_get()
1856 	return ff;  in fuse_write_file_get()
1862 	struct fuse_file *ff;  in fuse_write_inode()  local
1876 	ff = __fuse_write_file_get(fi);  in fuse_write_inode()
1877 	err = fuse_flush_times(inode, ff);  in fuse_write_inode()
1878 	if (ff)  in fuse_write_inode()
1879 		fuse_file_put(ff, false, false);  in fuse_write_inode()
1940 	wpa->ia.ff = fuse_write_file_get(fi);  in fuse_writepage_locked()
1941 	if (!wpa->ia.ff)  in fuse_writepage_locked()
1945 	fuse_write_args_fill(&wpa->ia, wpa->ia.ff, page_offset(page), 0);  in fuse_writepage_locked()
2011 	struct fuse_file *ff;  member
2051 	wpa->ia.ff = fuse_file_get(data->ff);  in fuse_writepages_send()
2163 	if (!data->ff) {  in fuse_writepages_fill()
2165 		data->ff = fuse_write_file_get(fi);  in fuse_writepages_fill()
2166 		if (!data->ff)  in fuse_writepages_fill()
2205 		fuse_write_args_fill(&wpa->ia, data->ff, page_offset(page), 0);  in fuse_writepages_fill()
2262 	data.ff = NULL;  in fuse_writepages()
2276 	if (data.ff)  in fuse_writepages()
2277 		fuse_file_put(data.ff, false, false);  in fuse_writepages()
2430 	struct fuse_file *ff = file->private_data;  in fuse_file_mmap()  local
2436 	if (ff->open_flags & FOPEN_DIRECT_IO) {  in fuse_file_mmap()
2493 	struct fuse_file *ff = file->private_data;  in fuse_lk_fill()  local
2496 	inarg->fh = ff->fh;  in fuse_lk_fill()
2593 		struct fuse_file *ff = file->private_data;  in fuse_file_flock()  local
2596 		ff->flock = true;  in fuse_file_flock()
2637 	struct fuse_file *ff = file->private_data;  in fuse_lseek()  local
2640 		.fh = ff->fh,  in fuse_lseek()
2651 	args.nodeid = ff->nodeid;  in fuse_lseek()
2720 		struct fuse_file *ff;  in fuse_find_polled_node()  local
2723 		ff = rb_entry(last, struct fuse_file, polled_node);  in fuse_find_polled_node()
2725 		if (kh < ff->kh)  in fuse_find_polled_node()
2727 		else if (kh > ff->kh)  in fuse_find_polled_node()
2745 				      struct fuse_file *ff)  in fuse_register_polled_file()  argument
2748 	if (RB_EMPTY_NODE(&ff->polled_node)) {  in fuse_register_polled_file()
2751 		link = fuse_find_polled_node(fc, ff->kh, &parent);  in fuse_register_polled_file()
2753 		rb_link_node(&ff->polled_node, parent, link);  in fuse_register_polled_file()
2754 		rb_insert_color(&ff->polled_node, &fc->polled_files);  in fuse_register_polled_file()
2761 	struct fuse_file *ff = file->private_data;  in fuse_file_poll()  local
2762 	struct fuse_mount *fm = ff->fm;  in fuse_file_poll()
2763 	struct fuse_poll_in inarg = { .fh = ff->fh, .kh = ff->kh };  in fuse_file_poll()
2771 	poll_wait(file, &ff->poll_wait, wait);  in fuse_file_poll()
2778 	if (waitqueue_active(&ff->poll_wait)) {  in fuse_file_poll()
2780 		fuse_register_polled_file(fm->fc, ff);  in fuse_file_poll()
2784 	args.nodeid = ff->nodeid;  in fuse_file_poll()
2817 		struct fuse_file *ff;  in fuse_notify_poll_wakeup()  local
2819 		ff = rb_entry(*link, struct fuse_file, polled_node);  in fuse_notify_poll_wakeup()
2820 		wake_up_interruptible_sync(&ff->poll_wait);  in fuse_notify_poll_wakeup()
2852 	struct fuse_file *ff = file->private_data;  in fuse_direct_IO()  local
2882 	io->async = ff->fm->fc->async_dio;  in fuse_direct_IO()
2888 		iov_iter_truncate(iter, fuse_round_up(ff->fm->fc, i_size - offset));  in fuse_direct_IO()
2954 	struct fuse_file *ff = file->private_data;  in fuse_file_fallocate()  local
2957 	struct fuse_mount *fm = ff->fm;  in fuse_file_fallocate()
2960 		.fh = ff->fh,  in fuse_file_fallocate()
3008 	args.nodeid = ff->nodeid;  in fuse_file_fallocate()