65 	struct fuse_file *ff;  in fuse_file_alloc()  local
67 	ff = kzalloc(sizeof(struct fuse_file), GFP_KERNEL_ACCOUNT);  in fuse_file_alloc()
68 	if (unlikely(!ff))  in fuse_file_alloc()
71 	ff->fm = fm;  in fuse_file_alloc()
72 	ff->release_args = kzalloc(sizeof(*ff->release_args),  in fuse_file_alloc()
74 	if (!ff->release_args) {  in fuse_file_alloc()
75 		kfree(ff);  in fuse_file_alloc()
79 	INIT_LIST_HEAD(&ff->write_entry);  in fuse_file_alloc()
80 	mutex_init(&ff->readdir.lock);  in fuse_file_alloc()
81 	refcount_set(&ff->count, 1);  in fuse_file_alloc()
82 	RB_CLEAR_NODE(&ff->polled_node);  in fuse_file_alloc()
83 	init_waitqueue_head(&ff->poll_wait);  in fuse_file_alloc()
85 	ff->kh = atomic64_inc_return(&fm->fc->khctr);  in fuse_file_alloc()
87 	return ff;  in fuse_file_alloc()
90 void fuse_file_free(struct fuse_file *ff)  in fuse_file_free()  argument
92 	kfree(ff->release_args);  in fuse_file_free()
93 	mutex_destroy(&ff->readdir.lock);  in fuse_file_free()
94 	kfree(ff);  in fuse_file_free()
97 static struct fuse_file *fuse_file_get(struct fuse_file *ff)  in fuse_file_get()  argument
99 	refcount_inc(&ff->count);  in fuse_file_get()
100 	return ff;  in fuse_file_get()
112 static void fuse_file_put(struct fuse_file *ff, bool sync, bool isdir)  in fuse_file_put()  argument
114 	if (refcount_dec_and_test(&ff->count)) {  in fuse_file_put()
115 		struct fuse_args *args = &ff->release_args->args;  in fuse_file_put()
117 		if (isdir ? ff->fm->fc->no_opendir : ff->fm->fc->no_open) {  in fuse_file_put()
119 			fuse_release_end(ff->fm, args, 0);  in fuse_file_put()
121 			fuse_simple_request(ff->fm, args);  in fuse_file_put()
122 			fuse_release_end(ff->fm, args, 0);  in fuse_file_put()
125 			if (fuse_simple_background(ff->fm, args,  in fuse_file_put()
127 				fuse_release_end(ff->fm, args, -ENOTCONN);  in fuse_file_put()
129 		kfree(ff);  in fuse_file_put()
137 	struct fuse_file *ff;  in fuse_do_open()  local
140 	ff = fuse_file_alloc(fm);  in fuse_do_open()
141 	if (!ff)  in fuse_do_open()
144 	ff->fh = 0;  in fuse_do_open()
146 	ff->open_flags = FOPEN_KEEP_CACHE | (isdir ? FOPEN_CACHE_DIR : 0);  in fuse_do_open()
153 			ff->fh = outarg.fh;  in fuse_do_open()
154 			ff->open_flags = outarg.open_flags;  in fuse_do_open()
157 			fuse_file_free(ff);  in fuse_do_open()
168 		ff->open_flags &= ~FOPEN_DIRECT_IO;  in fuse_do_open()
170 	ff->nodeid = nodeid;  in fuse_do_open()
171 	file->private_data = ff;  in fuse_do_open()
181 	struct fuse_file *ff = file->private_data;  in fuse_link_write_file()  local
187 	if (list_empty(&ff->write_entry))  in fuse_link_write_file()
188 		list_add(&ff->write_entry, &fi->write_files);  in fuse_link_write_file()
194 	struct fuse_file *ff = file->private_data;  in fuse_finish_open()  local
197 	if (!(ff->open_flags & FOPEN_KEEP_CACHE))  in fuse_finish_open()
199 	if (ff->open_flags & FOPEN_STREAM)  in fuse_finish_open()
201 	else if (ff->open_flags & FOPEN_NONSEEKABLE)  in fuse_finish_open()
261 static void fuse_prepare_release(struct fuse_inode *fi, struct fuse_file *ff,  in fuse_prepare_release()  argument
264 	struct fuse_conn *fc = ff->fm->fc;  in fuse_prepare_release()
265 	struct fuse_release_args *ra = ff->release_args;  in fuse_prepare_release()
270 		list_del(&ff->write_entry);  in fuse_prepare_release()
274 	if (!RB_EMPTY_NODE(&ff->polled_node))  in fuse_prepare_release()
275 		rb_erase(&ff->polled_node, &fc->polled_files);  in fuse_prepare_release()
278 	wake_up_interruptible_all(&ff->poll_wait);  in fuse_prepare_release()
280 	ra->inarg.fh = ff->fh;  in fuse_prepare_release()
286 	ra->args.nodeid = ff->nodeid;  in fuse_prepare_release()
294 	struct fuse_file *ff = file->private_data;  in fuse_release_common()  local
295 	struct fuse_release_args *ra = ff->release_args;  in fuse_release_common()
298 	fuse_prepare_release(fi, ff, file->f_flags, opcode);  in fuse_release_common()
300 	if (ff->flock) {  in fuse_release_common()
302 		ra->inarg.lock_owner = fuse_lock_owner_id(ff->fm->fc,  in fuse_release_common()
317 	fuse_file_put(ff, ff->fm->fc->destroy, isdir);  in fuse_release_common()
339 void fuse_sync_release(struct fuse_inode *fi, struct fuse_file *ff, int flags)  in fuse_sync_release()  argument
341 	WARN_ON(refcount_read(&ff->count) > 1);  in fuse_sync_release()
342 	fuse_prepare_release(fi, ff, flags, FUSE_RELEASE);  in fuse_sync_release()
347 	fuse_file_put(ff, true, false);  in fuse_sync_release()
461 	struct fuse_file *ff = file->private_data;  in fuse_flush()  local
486 	inarg.fh = ff->fh;  in fuse_flush()
516 	struct fuse_file *ff = file->private_data;  in fuse_fsync_common()  local
521 	inarg.fh = ff->fh;  in fuse_fsync_common()
584 	struct fuse_file *ff = file->private_data;  in fuse_read_args_fill()  local
587 	ia->read.in.fh = ff->fh;  in fuse_read_args_fill()
592 	args->nodeid = ff->nodeid;  in fuse_read_args_fill()
757 	struct fuse_file *ff = file->private_data;  in fuse_send_read()  local
758 	struct fuse_mount *fm = ff->fm;  in fuse_send_read()
907 	if (ia->ff)  in fuse_readpages_end()
908 		fuse_file_put(ia->ff, false, false);  in fuse_readpages_end()
915 	struct fuse_file *ff = file->private_data;  in fuse_send_readpages()  local
916 	struct fuse_mount *fm = ff->fm;  in fuse_send_readpages()
937 		ia->ff = fuse_file_get(ff);  in fuse_send_readpages()
1006 static void fuse_write_args_fill(struct fuse_io_args *ia, struct fuse_file *ff,  in fuse_write_args_fill()  argument
1011 	ia->write.in.fh = ff->fh;  in fuse_write_args_fill()
1015 	args->nodeid = ff->nodeid;  in fuse_write_args_fill()
1017 	if (ff->fm->fc->minor < 9)  in fuse_write_args_fill()
1045 	struct fuse_file *ff = file->private_data;  in fuse_send_write()  local
1046 	struct fuse_mount *fm = ff->fm;  in fuse_send_write()
1050 	fuse_write_args_fill(ia, ff, pos, count);  in fuse_send_write()
1090 	struct fuse_file *ff = file->private_data;  in fuse_send_write_pages()  local
1091 	struct fuse_mount *fm = ff->fm;  in fuse_send_write_pages()
1098 	fuse_write_args_fill(ia, ff, pos, count);  in fuse_send_write_pages()
1415 	struct fuse_file *ff = file->private_data;  in fuse_direct_io()  local
1416 	struct fuse_conn *fc = ff->fm->fc;  in fuse_direct_io()
1555 	struct fuse_file *ff = file->private_data;  in fuse_file_read_iter()  local
1564 	if (!(ff->open_flags & FOPEN_DIRECT_IO))  in fuse_file_read_iter()
1573 	struct fuse_file *ff = file->private_data;  in fuse_file_write_iter()  local
1582 	if (!(ff->open_flags & FOPEN_DIRECT_IO))  in fuse_file_write_iter()
1596 	if (wpa->ia.ff)  in fuse_writepage_free()
1597 		fuse_file_put(wpa->ia.ff, false, false);  in fuse_writepage_free()
1755 		next->ia.ff = fuse_file_get(wpa->ia.ff);  in fuse_writepage_end()
1792 	struct fuse_file *ff = NULL;  in __fuse_write_file_get()  local
1796 		ff = list_entry(fi->write_files.next, struct fuse_file,  in __fuse_write_file_get()
1798 		fuse_file_get(ff);  in __fuse_write_file_get()
1802 	return ff;  in __fuse_write_file_get()
1808 	struct fuse_file *ff = __fuse_write_file_get(fc, fi);  in fuse_write_file_get()  local
1809 	WARN_ON(!ff);  in fuse_write_file_get()
1810 	return ff;  in fuse_write_file_get()
1817 	struct fuse_file *ff;  in fuse_write_inode()  local
1820 	ff = __fuse_write_file_get(fc, fi);  in fuse_write_inode()
1821 	err = fuse_flush_times(inode, ff);  in fuse_write_inode()
1822 	if (ff)  in fuse_write_inode()
1823 		fuse_file_put(ff, false, false);  in fuse_write_inode()
1870 	wpa->ia.ff = fuse_write_file_get(fc, fi);  in fuse_writepage_locked()
1871 	if (!wpa->ia.ff)  in fuse_writepage_locked()
1874 	fuse_write_args_fill(&wpa->ia, wpa->ia.ff, page_offset(page), 0);  in fuse_writepage_locked()
1935 	struct fuse_file *ff;  member
1975 	wpa->ia.ff = fuse_file_get(data->ff);  in fuse_writepages_send()
2087 	if (!data->ff) {  in fuse_writepages_fill()
2089 		data->ff = fuse_write_file_get(fc, fi);  in fuse_writepages_fill()
2090 		if (!data->ff)  in fuse_writepages_fill()
2127 		fuse_write_args_fill(&wpa->ia, data->ff, page_offset(page), 0);  in fuse_writepages_fill()
2180 	data.ff = NULL;  in fuse_writepages()
2194 	if (data.ff)  in fuse_writepages()
2195 		fuse_file_put(data.ff, false, false);  in fuse_writepages()
2340 	struct fuse_file *ff = file->private_data;  in fuse_file_mmap()  local
2346 	if (ff->open_flags & FOPEN_DIRECT_IO) {  in fuse_file_mmap()
2403 	struct fuse_file *ff = file->private_data;  in fuse_lk_fill()  local
2406 	inarg->fh = ff->fh;  in fuse_lk_fill()
2503 		struct fuse_file *ff = file->private_data;  in fuse_file_flock()  local
2506 		ff->flock = true;  in fuse_file_flock()
2547 	struct fuse_file *ff = file->private_data;  in fuse_lseek()  local
2550 		.fh = ff->fh,  in fuse_lseek()
2561 	args.nodeid = ff->nodeid;  in fuse_lseek()
2756 	struct fuse_file *ff = file->private_data;  in fuse_do_ioctl()  local
2757 	struct fuse_mount *fm = ff->fm;  in fuse_do_ioctl()
2759 		.fh = ff->fh,  in fuse_do_ioctl()
2852 	ap.args.nodeid = ff->nodeid;  in fuse_do_ioctl()
2987 		struct fuse_file *ff;  in fuse_find_polled_node()  local
2990 		ff = rb_entry(last, struct fuse_file, polled_node);  in fuse_find_polled_node()
2992 		if (kh < ff->kh)  in fuse_find_polled_node()
2994 		else if (kh > ff->kh)  in fuse_find_polled_node()
3012 				      struct fuse_file *ff)  in fuse_register_polled_file()  argument
3015 	if (RB_EMPTY_NODE(&ff->polled_node)) {  in fuse_register_polled_file()
3018 		link = fuse_find_polled_node(fc, ff->kh, &parent);  in fuse_register_polled_file()
3020 		rb_link_node(&ff->polled_node, parent, link);  in fuse_register_polled_file()
3021 		rb_insert_color(&ff->polled_node, &fc->polled_files);  in fuse_register_polled_file()
3028 	struct fuse_file *ff = file->private_data;  in fuse_file_poll()  local
3029 	struct fuse_mount *fm = ff->fm;  in fuse_file_poll()
3030 	struct fuse_poll_in inarg = { .fh = ff->fh, .kh = ff->kh };  in fuse_file_poll()
3038 	poll_wait(file, &ff->poll_wait, wait);  in fuse_file_poll()
3045 	if (waitqueue_active(&ff->poll_wait)) {  in fuse_file_poll()
3047 		fuse_register_polled_file(fm->fc, ff);  in fuse_file_poll()
3051 	args.nodeid = ff->nodeid;  in fuse_file_poll()
3084 		struct fuse_file *ff;  in fuse_notify_poll_wakeup()  local
3086 		ff = rb_entry(*link, struct fuse_file, polled_node);  in fuse_notify_poll_wakeup()
3087 		wake_up_interruptible_sync(&ff->poll_wait);  in fuse_notify_poll_wakeup()
3119 	struct fuse_file *ff = file->private_data;  in fuse_direct_IO()  local
3149 	io->async = ff->fm->fc->async_dio;  in fuse_direct_IO()
3155 		iov_iter_truncate(iter, fuse_round_up(ff->fm->fc, i_size - offset));  in fuse_direct_IO()
3222 	struct fuse_file *ff = file->private_data;  in fuse_file_fallocate()  local
3225 	struct fuse_mount *fm = ff->fm;  in fuse_file_fallocate()
3228 		.fh = ff->fh,  in fuse_file_fallocate()
3274 	args.nodeid = ff->nodeid;  in fuse_file_fallocate()