23 static int fuse_send_open(struct fuse_conn *fc, u64 nodeid, struct file *file,  in fuse_send_open()  argument
30 	inarg.flags = file->f_flags & ~(O_CREAT | O_EXCL | O_NOCTTY);  in fuse_send_open()
117 int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file,  in fuse_do_open()  argument
133 		err = fuse_send_open(fc, nodeid, file, opcode, &outarg);  in fuse_do_open()
150 	file->private_data = fuse_file_get(ff);  in fuse_do_open()
156 static void fuse_link_write_file(struct file *file)  in fuse_link_write_file()  argument
158 	struct inode *inode = file_inode(file);  in fuse_link_write_file()
161 	struct fuse_file *ff = file->private_data;  in fuse_link_write_file()
172 void fuse_finish_open(struct inode *inode, struct file *file)  in fuse_finish_open()  argument
174 	struct fuse_file *ff = file->private_data;  in fuse_finish_open()
178 		file->f_op = &fuse_direct_io_file_operations;  in fuse_finish_open()
182 		nonseekable_open(inode, file);  in fuse_finish_open()
183 	if (fc->atomic_o_trunc && (file->f_flags & O_TRUNC)) {  in fuse_finish_open()
192 			file_update_time(file);  in fuse_finish_open()
194 	if ((file->f_mode & FMODE_WRITE) && fc->writeback_cache)  in fuse_finish_open()
195 		fuse_link_write_file(file);  in fuse_finish_open()
198 int fuse_open_common(struct inode *inode, struct file *file, bool isdir)  in fuse_open_common()  argument
202 	bool lock_inode = (file->f_flags & O_TRUNC) &&  in fuse_open_common()
206 	err = generic_file_open(inode, file);  in fuse_open_common()
213 	err = fuse_do_open(fc, get_node_id(inode), file, isdir);  in fuse_open_common()
216 		fuse_finish_open(inode, file);  in fuse_open_common()
247 void fuse_release_common(struct file *file, int opcode)  in fuse_release_common()  argument
252 	ff = file->private_data;  in fuse_release_common()
257 	fuse_prepare_release(ff, file->f_flags, opcode);  in fuse_release_common()
263 						       (fl_owner_t) file);  in fuse_release_common()
266 	req->misc.release.inode = igrab(file_inode(file));  in fuse_release_common()
280 static int fuse_open(struct inode *inode, struct file *file)  in fuse_open()  argument
282 	return fuse_open_common(inode, file, false);  in fuse_open()
285 static int fuse_release(struct inode *inode, struct file *file)  in fuse_release()  argument
293 	fuse_release_common(file, FUSE_RELEASE);  in fuse_release()
398 static int fuse_flush(struct file *file, fl_owner_t id)  in fuse_flush()  argument
400 	struct inode *inode = file_inode(file);  in fuse_flush()
402 	struct fuse_file *ff = file->private_data;  in fuse_flush()
421 	err = filemap_check_errors(file->f_mapping);  in fuse_flush()
425 	req = fuse_get_req_nofail_nopages(fc, file);  in fuse_flush()
445 int fuse_fsync_common(struct file *file, loff_t start, loff_t end,  in fuse_fsync_common()  argument
448 	struct inode *inode = file->f_mapping->host;  in fuse_fsync_common()
450 	struct fuse_file *ff = file->private_data;  in fuse_fsync_common()
476 	err = filemap_check_errors(file->f_mapping);  in fuse_fsync_common()
508 static int fuse_fsync(struct file *file, loff_t start, loff_t end,  in fuse_fsync()  argument
511 	return fuse_fsync_common(file, start, end, datasync, 0);  in fuse_fsync()
514 void fuse_read_fill(struct fuse_req *req, struct file *file, loff_t pos,  in fuse_read_fill()  argument
518 	struct fuse_file *ff = file->private_data;  in fuse_read_fill()
523 	inarg->flags = file->f_flags;  in fuse_read_fill()
653 	struct file *file = io->file;  in fuse_send_read()  local
654 	struct fuse_file *ff = file->private_data;  in fuse_send_read()
657 	fuse_read_fill(req, file, pos, count, FUSE_READ);  in fuse_send_read()
713 static int fuse_do_readpage(struct file *file, struct page *page)  in fuse_do_readpage()  argument
715 	struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);  in fuse_do_readpage()
761 static int fuse_readpage(struct file *file, struct page *page)  in fuse_readpage()  argument
770 	err = fuse_do_readpage(file, page);  in fuse_readpage()
812 static void fuse_send_readpages(struct fuse_req *req, struct file *file)  in fuse_send_readpages()  argument
814 	struct fuse_file *ff = file->private_data;  in fuse_send_readpages()
822 	fuse_read_fill(req, file, pos, count, FUSE_READ);  in fuse_send_readpages()
837 	struct file *file;  member
842 static int fuse_readpages_fill(struct file *_data, struct page *page)  in fuse_readpages_fill()
857 		fuse_send_readpages(req, data->file);  in fuse_readpages_fill()
883 static int fuse_readpages(struct file *file, struct address_space *mapping,  in fuse_readpages()  argument
896 	data.file = file;  in fuse_readpages()
910 			fuse_send_readpages(data.req, file);  in fuse_readpages()
965 	struct file *file = io->file;  in fuse_send_write()  local
966 	struct fuse_file *ff = file->private_data;  in fuse_send_write()
971 	inarg->flags = file->f_flags;  in fuse_send_write()
1001 static size_t fuse_send_write_pages(struct fuse_req *req, struct file *file,  in fuse_send_write_pages()  argument
1008 	struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);  in fuse_send_write_pages()
1108 static ssize_t fuse_perform_write(struct file *file,  in fuse_perform_write()  argument
1141 			num_written = fuse_send_write_pages(req, file, inode,  in fuse_perform_write()
1167 	struct file *file = iocb->ki_filp;  in fuse_file_write_iter()  local
1168 	struct address_space *mapping = file->f_mapping;  in fuse_file_write_iter()
1177 		err = fuse_update_attributes(mapping->host, NULL, file, NULL);  in fuse_file_write_iter()
1193 	err = file_remove_privs(file);  in fuse_file_write_iter()
1197 	err = file_update_time(file);  in fuse_file_write_iter()
1209 		written_buffered = fuse_perform_write(file, mapping, from, pos);  in fuse_file_write_iter()
1216 		err = filemap_write_and_wait_range(file->f_mapping, pos,  in fuse_file_write_iter()
1221 		invalidate_mapping_pages(file->f_mapping,  in fuse_file_write_iter()
1228 		written = fuse_perform_write(file, mapping, from, iocb->ki_pos);  in fuse_file_write_iter()
1326 	struct file *file = io->file;  in fuse_direct_io()  local
1327 	struct inode *inode = file->f_mapping->host;  in fuse_direct_io()
1328 	struct fuse_file *ff = file->private_data;  in fuse_direct_io()
1407 	struct file *file = io->file;  in __fuse_direct_read()  local
1408 	struct inode *inode = file_inode(file);  in __fuse_direct_read()
1428 	struct file *file = iocb->ki_filp;  in fuse_direct_write_iter()  local
1429 	struct inode *inode = file_inode(file);  in fuse_direct_write_iter()
1430 	struct fuse_io_priv io = FUSE_IO_PRIV_SYNC(file);  in fuse_direct_write_iter()
1938 static int fuse_write_begin(struct file *file, struct address_space *mapping,  in fuse_write_begin()  argument
1943 	struct fuse_conn *fc = get_fuse_conn(file_inode(file));  in fuse_write_begin()
1969 	err = fuse_do_readpage(file, page);  in fuse_write_begin()
1983 static int fuse_write_end(struct file *file, struct address_space *mapping,  in fuse_write_end()  argument
2070 static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)  in fuse_file_mmap()  argument
2073 		fuse_link_write_file(file);  in fuse_file_mmap()
2075 	file_accessed(file);  in fuse_file_mmap()
2080 static int fuse_direct_mmap(struct file *file, struct vm_area_struct *vma)  in fuse_direct_mmap()  argument
2086 	invalidate_inode_pages2(file->f_mapping);  in fuse_direct_mmap()
2088 	return generic_file_mmap(file, vma);  in fuse_direct_mmap()
2116 static void fuse_lk_fill(struct fuse_args *args, struct file *file,  in fuse_lk_fill()  argument
2120 	struct inode *inode = file_inode(file);  in fuse_lk_fill()
2122 	struct fuse_file *ff = file->private_data;  in fuse_lk_fill()
2140 static int fuse_getlk(struct file *file, struct file_lock *fl)  in fuse_getlk()  argument
2142 	struct inode *inode = file_inode(file);  in fuse_getlk()
2149 	fuse_lk_fill(&args, file, fl, FUSE_GETLK, 0, 0, &inarg);  in fuse_getlk()
2160 static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)  in fuse_setlk()  argument
2162 	struct inode *inode = file_inode(file);  in fuse_setlk()
2179 	fuse_lk_fill(&args, file, fl, opcode, pid, flock, &inarg);  in fuse_setlk()
2189 static int fuse_file_lock(struct file *file, int cmd, struct file_lock *fl)  in fuse_file_lock()  argument
2191 	struct inode *inode = file_inode(file);  in fuse_file_lock()
2199 			posix_test_lock(file, fl);  in fuse_file_lock()
2202 			err = fuse_getlk(file, fl);  in fuse_file_lock()
2205 			err = posix_lock_file(file, fl, NULL);  in fuse_file_lock()
2207 			err = fuse_setlk(file, fl, 0);  in fuse_file_lock()
2212 static int fuse_file_flock(struct file *file, int cmd, struct file_lock *fl)  in fuse_file_flock()  argument
2214 	struct inode *inode = file_inode(file);  in fuse_file_flock()
2219 		err = locks_lock_file_wait(file, fl);  in fuse_file_flock()
2221 		struct fuse_file *ff = file->private_data;  in fuse_file_flock()
2225 		err = fuse_setlk(file, fl, 1);  in fuse_file_flock()
2261 static loff_t fuse_lseek(struct file *file, loff_t offset, int whence)  in fuse_lseek()  argument
2263 	struct inode *inode = file->f_mapping->host;  in fuse_lseek()
2265 	struct fuse_file *ff = file->private_data;  in fuse_lseek()
2295 	return vfs_setpos(file, outarg.offset, inode->i_sb->s_maxbytes);  in fuse_lseek()
2298 	err = fuse_update_attributes(inode, NULL, file, NULL);  in fuse_lseek()
2300 		return generic_file_llseek(file, offset, whence);  in fuse_lseek()
2305 static loff_t fuse_file_llseek(struct file *file, loff_t offset, int whence)  in fuse_file_llseek()  argument
2308 	struct inode *inode = file_inode(file);  in fuse_file_llseek()
2314 		retval = generic_file_llseek(file, offset, whence);  in fuse_file_llseek()
2318 		retval = fuse_update_attributes(inode, NULL, file, NULL);  in fuse_file_llseek()
2320 			retval = generic_file_llseek(file, offset, whence);  in fuse_file_llseek()
2326 		retval = fuse_lseek(file, offset, whence);  in fuse_file_llseek()
2470 long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,  in fuse_do_ioctl()  argument
2473 	struct fuse_file *ff = file->private_data;  in fuse_do_ioctl()
2663 long fuse_ioctl_common(struct file *file, unsigned int cmd,  in fuse_ioctl_common()  argument
2666 	struct inode *inode = file_inode(file);  in fuse_ioctl_common()
2675 	return fuse_do_ioctl(file, cmd, arg, flags);  in fuse_ioctl_common()
2678 static long fuse_file_ioctl(struct file *file, unsigned int cmd,  in fuse_file_ioctl()  argument
2681 	return fuse_ioctl_common(file, cmd, arg, 0);  in fuse_file_ioctl()
2684 static long fuse_file_compat_ioctl(struct file *file, unsigned int cmd,  in fuse_file_compat_ioctl()  argument
2687 	return fuse_ioctl_common(file, cmd, arg, FUSE_IOCTL_COMPAT);  in fuse_file_compat_ioctl()
2741 unsigned fuse_file_poll(struct file *file, poll_table *wait)  in fuse_file_poll()  argument
2743 	struct fuse_file *ff = file->private_data;  in fuse_file_poll()
2753 	poll_wait(file, &ff->poll_wait, wait);  in fuse_file_poll()
2809 static void fuse_do_truncate(struct file *file)  in fuse_do_truncate()  argument
2811 	struct inode *inode = file->f_mapping->host;  in fuse_do_truncate()
2817 	attr.ia_file = file;  in fuse_do_truncate()
2820 	fuse_do_setattr(file_dentry(file), &attr, file);  in fuse_do_truncate()
2833 	struct file *file = iocb->ki_filp;  in fuse_direct_IO()  local
2834 	struct fuse_file *ff = file->private_data;  in fuse_direct_IO()
2844 	inode = file->f_mapping->host;  in fuse_direct_IO()
2869 	io->file = file;  in fuse_direct_IO()
2918 			fuse_do_truncate(file);  in fuse_direct_IO()
2924 static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,  in fuse_file_fallocate()  argument
2927 	struct fuse_file *ff = file->private_data;  in fuse_file_fallocate()
2928 	struct inode *inode = file_inode(file);  in fuse_file_fallocate()
2982 			file_update_time(file);  in fuse_file_fallocate()