35 static int fuse_send_open(struct fuse_mount *fm, u64 nodeid, struct file *file,  in fuse_send_open()  argument
42 	inarg.flags = file->f_flags & ~(O_CREAT | O_EXCL | O_NOCTTY);  in fuse_send_open()
133 int fuse_do_open(struct fuse_mount *fm, u64 nodeid, struct file *file,  in fuse_do_open()  argument
151 		err = fuse_send_open(fm, nodeid, file, opcode, &outarg);  in fuse_do_open()
171 	file->private_data = ff;  in fuse_do_open()
177 static void fuse_link_write_file(struct file *file)  in fuse_link_write_file()  argument
179 	struct inode *inode = file_inode(file);  in fuse_link_write_file()
181 	struct fuse_file *ff = file->private_data;  in fuse_link_write_file()
192 void fuse_finish_open(struct inode *inode, struct file *file)  in fuse_finish_open()  argument
194 	struct fuse_file *ff = file->private_data;  in fuse_finish_open()
198 		stream_open(inode, file);  in fuse_finish_open()
200 		nonseekable_open(inode, file);  in fuse_finish_open()
202 	if (fc->atomic_o_trunc && (file->f_flags & O_TRUNC)) {  in fuse_finish_open()
212 			file_update_time(file);  in fuse_finish_open()
217 	if ((file->f_mode & FMODE_WRITE) && fc->writeback_cache)  in fuse_finish_open()
218 		fuse_link_write_file(file);  in fuse_finish_open()
221 int fuse_open_common(struct inode *inode, struct file *file, bool isdir)  in fuse_open_common()  argument
226 	bool is_wb_truncate = (file->f_flags & O_TRUNC) &&  in fuse_open_common()
229 	bool dax_truncate = (file->f_flags & O_TRUNC) &&  in fuse_open_common()
235 	err = generic_file_open(inode, file);  in fuse_open_common()
251 	err = fuse_do_open(fm, get_node_id(inode), file, isdir);  in fuse_open_common()
253 		fuse_finish_open(inode, file);  in fuse_open_common()
297 void fuse_release_common(struct file *file, bool isdir)  in fuse_release_common()  argument
299 	struct fuse_inode *fi = get_fuse_inode(file_inode(file));  in fuse_release_common()
300 	struct fuse_file *ff = file->private_data;  in fuse_release_common()
306 	fuse_prepare_release(fi, ff, file->f_flags, opcode);  in fuse_release_common()
311 							  (fl_owner_t) file);  in fuse_release_common()
314 	ra->inode = igrab(file_inode(file));  in fuse_release_common()
328 static int fuse_open(struct inode *inode, struct file *file)  in fuse_open()  argument
330 	return fuse_open_common(inode, file, false);  in fuse_open()
333 static int fuse_release(struct inode *inode, struct file *file)  in fuse_release()  argument
341 	fuse_release_common(file, false);  in fuse_release()
465 static int fuse_flush(struct file *file, fl_owner_t id)  in fuse_flush()  argument
467 	struct inode *inode = file_inode(file);  in fuse_flush()
469 	struct fuse_file *ff = file->private_data;  in fuse_flush()
485 	err = filemap_check_errors(file->f_mapping);  in fuse_flush()
519 int fuse_fsync_common(struct file *file, loff_t start, loff_t end,  in fuse_fsync_common()  argument
522 	struct inode *inode = file->f_mapping->host;  in fuse_fsync_common()
524 	struct fuse_file *ff = file->private_data;  in fuse_fsync_common()
539 static int fuse_fsync(struct file *file, loff_t start, loff_t end,  in fuse_fsync()  argument
542 	struct inode *inode = file->f_mapping->host;  in fuse_fsync()
556 	err = file_write_and_wait_range(file, start, end);  in fuse_fsync()
567 	err = file_check_and_advance_wb_err(file);  in fuse_fsync()
578 	err = fuse_fsync_common(file, start, end, datasync, FUSE_FSYNC);  in fuse_fsync()
589 void fuse_read_args_fill(struct fuse_io_args *ia, struct file *file, loff_t pos,  in fuse_read_args_fill()  argument
592 	struct fuse_file *ff = file->private_data;  in fuse_read_args_fill()
598 	ia->read.in.flags = file->f_flags;  in fuse_read_args_fill()
764 	struct file *file = ia->io->iocb->ki_filp;  in fuse_send_read()  local
765 	struct fuse_file *ff = file->private_data;  in fuse_send_read()
768 	fuse_read_args_fill(ia, file, pos, count, FUSE_READ);  in fuse_send_read()
820 static int fuse_do_readpage(struct file *file, struct page *page)  in fuse_do_readpage()  argument
849 	fuse_read_args_fill(&ia, file, pos, desc.length, FUSE_READ);  in fuse_do_readpage()
864 static int fuse_readpage(struct file *file, struct page *page)  in fuse_readpage()  argument
873 	err = fuse_do_readpage(file, page);  in fuse_readpage()
921 static void fuse_send_readpages(struct fuse_io_args *ia, struct file *file)  in fuse_send_readpages()  argument
923 	struct fuse_file *ff = file->private_data;  in fuse_send_readpages()
942 	fuse_read_args_fill(ia, file, pos, count, FUSE_READ);  in fuse_send_readpages()
989 		fuse_send_readpages(ia, rac->file);  in fuse_readahead()
1052 	struct file *file = iocb->ki_filp;  in fuse_send_write()  local
1053 	struct fuse_file *ff = file->private_data;  in fuse_send_write()
1097 	struct file *file = iocb->ki_filp;  in fuse_send_write_pages()  local
1098 	struct fuse_file *ff = file->private_data;  in fuse_send_write_pages()
1282 	struct file *file = iocb->ki_filp;  in fuse_cache_write_iter()  local
1283 	struct address_space *mapping = file->f_mapping;  in fuse_cache_write_iter()
1292 		err = fuse_update_attributes(mapping->host, file);  in fuse_cache_write_iter()
1308 	err = file_remove_privs(file);  in fuse_cache_write_iter()
1312 	err = file_update_time(file);  in fuse_cache_write_iter()
1331 		err = filemap_write_and_wait_range(file->f_mapping, pos,  in fuse_cache_write_iter()
1336 		invalidate_mapping_pages(file->f_mapping,  in fuse_cache_write_iter()
1439 	struct file *file = io->iocb->ki_filp;  in fuse_direct_io()  local
1440 	struct inode *inode = file->f_mapping->host;  in fuse_direct_io()
1441 	struct fuse_file *ff = file->private_data;  in fuse_direct_io()
1580 	struct file *file = iocb->ki_filp;  in fuse_file_read_iter()  local
1581 	struct fuse_file *ff = file->private_data;  in fuse_file_read_iter()
1582 	struct inode *inode = file_inode(file);  in fuse_file_read_iter()
1600 	struct file *file = iocb->ki_filp;  in fuse_file_write_iter()  local
1601 	struct fuse_file *ff = file->private_data;  in fuse_file_write_iter()
1602 	struct inode *inode = file_inode(file);  in fuse_file_write_iter()
2256 static int fuse_write_begin(struct file *file, struct address_space *mapping,  in fuse_write_begin()  argument
2261 	struct fuse_conn *fc = get_fuse_conn(file_inode(file));  in fuse_write_begin()
2287 	err = fuse_do_readpage(file, page);  in fuse_write_begin()
2301 static int fuse_write_end(struct file *file, struct address_space *mapping,  in fuse_write_end()  argument
2388 static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)  in fuse_file_mmap()  argument
2390 	struct fuse_file *ff = file->private_data;  in fuse_file_mmap()
2393 	if (FUSE_IS_DAX(file_inode(file)))  in fuse_file_mmap()
2394 		return fuse_dax_mmap(file, vma);  in fuse_file_mmap()
2397 		return fuse_passthrough_mmap(file, vma);  in fuse_file_mmap()
2404 		invalidate_inode_pages2(file->f_mapping);  in fuse_file_mmap()
2406 		return generic_file_mmap(file, vma);  in fuse_file_mmap()
2410 		fuse_link_write_file(file);  in fuse_file_mmap()
2412 	file_accessed(file);  in fuse_file_mmap()
2450 static void fuse_lk_fill(struct fuse_args *args, struct file *file,  in fuse_lk_fill()  argument
2454 	struct inode *inode = file_inode(file);  in fuse_lk_fill()
2456 	struct fuse_file *ff = file->private_data;  in fuse_lk_fill()
2474 static int fuse_getlk(struct file *file, struct file_lock *fl)  in fuse_getlk()  argument
2476 	struct inode *inode = file_inode(file);  in fuse_getlk()
2483 	fuse_lk_fill(&args, file, fl, FUSE_GETLK, 0, 0, &inarg);  in fuse_getlk()
2494 static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)  in fuse_setlk()  argument
2496 	struct inode *inode = file_inode(file);  in fuse_setlk()
2514 	fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg);  in fuse_setlk()
2524 static int fuse_file_lock(struct file *file, int cmd, struct file_lock *fl)  in fuse_file_lock()  argument
2526 	struct inode *inode = file_inode(file);  in fuse_file_lock()
2534 			posix_test_lock(file, fl);  in fuse_file_lock()
2537 			err = fuse_getlk(file, fl);  in fuse_file_lock()
2540 			err = posix_lock_file(file, fl, NULL);  in fuse_file_lock()
2542 			err = fuse_setlk(file, fl, 0);  in fuse_file_lock()
2547 static int fuse_file_flock(struct file *file, int cmd, struct file_lock *fl)  in fuse_file_flock()  argument
2549 	struct inode *inode = file_inode(file);  in fuse_file_flock()
2554 		err = locks_lock_file_wait(file, fl);  in fuse_file_flock()
2556 		struct fuse_file *ff = file->private_data;  in fuse_file_flock()
2560 		err = fuse_setlk(file, fl, 1);  in fuse_file_flock()
2596 static loff_t fuse_lseek(struct file *file, loff_t offset, int whence)  in fuse_lseek()  argument
2598 	struct inode *inode = file->f_mapping->host;  in fuse_lseek()
2600 	struct fuse_file *ff = file->private_data;  in fuse_lseek()
2630 	return vfs_setpos(file, outarg.offset, inode->i_sb->s_maxbytes);  in fuse_lseek()
2633 	err = fuse_update_attributes(inode, file);  in fuse_lseek()
2635 		return generic_file_llseek(file, offset, whence);  in fuse_lseek()
2640 static loff_t fuse_file_llseek(struct file *file, loff_t offset, int whence)  in fuse_file_llseek()  argument
2643 	struct inode *inode = file_inode(file);  in fuse_file_llseek()
2649 		retval = generic_file_llseek(file, offset, whence);  in fuse_file_llseek()
2653 		retval = fuse_update_attributes(inode, file);  in fuse_file_llseek()
2655 			retval = generic_file_llseek(file, offset, whence);  in fuse_file_llseek()
2661 		retval = fuse_lseek(file, offset, whence);  in fuse_file_llseek()
2806 long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg,  in fuse_do_ioctl()  argument
2809 	struct fuse_file *ff = file->private_data;  in fuse_do_ioctl()
3001 long fuse_ioctl_common(struct file *file, unsigned int cmd,  in fuse_ioctl_common()  argument
3004 	struct inode *inode = file_inode(file);  in fuse_ioctl_common()
3013 	return fuse_do_ioctl(file, cmd, arg, flags);  in fuse_ioctl_common()
3016 static long fuse_file_ioctl(struct file *file, unsigned int cmd,  in fuse_file_ioctl()  argument
3019 	return fuse_ioctl_common(file, cmd, arg, 0);  in fuse_file_ioctl()
3022 static long fuse_file_compat_ioctl(struct file *file, unsigned int cmd,  in fuse_file_compat_ioctl()  argument
3025 	return fuse_ioctl_common(file, cmd, arg, FUSE_IOCTL_COMPAT);  in fuse_file_compat_ioctl()
3079 __poll_t fuse_file_poll(struct file *file, poll_table *wait)  in fuse_file_poll()  argument
3081 	struct fuse_file *ff = file->private_data;  in fuse_file_poll()
3091 	poll_wait(file, &ff->poll_wait, wait);  in fuse_file_poll()
3147 static void fuse_do_truncate(struct file *file)  in fuse_do_truncate()  argument
3149 	struct inode *inode = file->f_mapping->host;  in fuse_do_truncate()
3155 	attr.ia_file = file;  in fuse_do_truncate()
3158 	fuse_do_setattr(file_dentry(file), &attr, file);  in fuse_do_truncate()
3171 	struct file *file = iocb->ki_filp;  in fuse_direct_IO()  local
3172 	struct fuse_file *ff = file->private_data;  in fuse_direct_IO()
3181 	inode = file->f_mapping->host;  in fuse_direct_IO()
3256 			fuse_do_truncate(file);  in fuse_direct_IO()
3272 static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,  in fuse_file_fallocate()  argument
3275 	struct fuse_file *ff = file->private_data;  in fuse_file_fallocate()
3276 	struct inode *inode = file_inode(file);  in fuse_file_fallocate()
3320 	err = file_modified(file);  in fuse_file_fallocate()
3345 			file_update_time(file);  in fuse_file_fallocate()
3367 static ssize_t __fuse_copy_file_range(struct file *file_in, loff_t pos_in,  in __fuse_copy_file_range()
3368 				      struct file *file_out, loff_t pos_out,  in __fuse_copy_file_range()
3478 static ssize_t fuse_copy_file_range(struct file *src_file, loff_t src_off,  in fuse_copy_file_range()
3479 				    struct file *dst_file, loff_t dst_off,  in fuse_copy_file_range()