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-rw-r--r--fs/ncpfs/file.c263
1 files changed, 0 insertions, 263 deletions
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
deleted file mode 100644
index 8f8cc0334ddd..000000000000
--- a/fs/ncpfs/file.c
+++ /dev/null
@@ -1,263 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- *  file.c
- *
- *  Copyright (C) 1995, 1996 by Volker Lendecke
- *  Modified 1997 Peter Waltenberg, Bill Hawes, David Woodhouse for 2.1 dcache
- *
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/uaccess.h>
-
-#include <linux/time.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/fcntl.h>
-#include <linux/stat.h>
-#include <linux/mm.h>
-#include <linux/vmalloc.h>
-#include <linux/sched.h>
-
-#include "ncp_fs.h"
-
-static int ncp_fsync(struct file *file, loff_t start, loff_t end, int datasync)
-{
-	return file_write_and_wait_range(file, start, end);
-}
-
-/*
- * Open a file with the specified read/write mode.
- */
-int ncp_make_open(struct inode *inode, int right)
-{
-	int error;
-	int access;
-
-	error = -EINVAL;
-	if (!inode) {
-		pr_err("%s: got NULL inode\n", __func__);
-		goto out;
-	}
-
-	ncp_dbg(1, "opened=%d, volume # %u, dir entry # %u\n",
-		atomic_read(&NCP_FINFO(inode)->opened), 
-		NCP_FINFO(inode)->volNumber, 
-		NCP_FINFO(inode)->dirEntNum);
-	error = -EACCES;
-	mutex_lock(&NCP_FINFO(inode)->open_mutex);
-	if (!atomic_read(&NCP_FINFO(inode)->opened)) {
-		struct ncp_entry_info finfo;
-		int result;
-
-		/* tries max. rights */
-		finfo.access = O_RDWR;
-		result = ncp_open_create_file_or_subdir(NCP_SERVER(inode),
-					inode, NULL, OC_MODE_OPEN,
-					0, AR_READ | AR_WRITE, &finfo);
-		if (!result)
-			goto update;
-		/* RDWR did not succeeded, try readonly or writeonly as requested */
-		switch (right) {
-			case O_RDONLY:
-				finfo.access = O_RDONLY;
-				result = ncp_open_create_file_or_subdir(NCP_SERVER(inode),
-					inode, NULL, OC_MODE_OPEN,
-					0, AR_READ, &finfo);
-				break;
-			case O_WRONLY:
-				finfo.access = O_WRONLY;
-				result = ncp_open_create_file_or_subdir(NCP_SERVER(inode),
-					inode, NULL, OC_MODE_OPEN,
-					0, AR_WRITE, &finfo);
-				break;
-		}
-		if (result) {
-			ncp_vdbg("failed, result=%d\n", result);
-			goto out_unlock;
-		}
-		/*
-		 * Update the inode information.
-		 */
-	update:
-		ncp_update_inode(inode, &finfo);
-		atomic_set(&NCP_FINFO(inode)->opened, 1);
-	}
-
-	access = NCP_FINFO(inode)->access;
-	ncp_vdbg("file open, access=%x\n", access);
-	if (access == right || access == O_RDWR) {
-		atomic_inc(&NCP_FINFO(inode)->opened);
-		error = 0;
-	}
-
-out_unlock:
-	mutex_unlock(&NCP_FINFO(inode)->open_mutex);
-out:
-	return error;
-}
-
-static ssize_t
-ncp_file_read_iter(struct kiocb *iocb, struct iov_iter *to)
-{
-	struct file *file = iocb->ki_filp;
-	struct inode *inode = file_inode(file);
-	size_t already_read = 0;
-	off_t pos = iocb->ki_pos;
-	size_t bufsize;
-	int error;
-	void *freepage;
-	size_t freelen;
-
-	ncp_dbg(1, "enter %pD2\n", file);
-
-	if (!iov_iter_count(to))
-		return 0;
-	if (pos > inode->i_sb->s_maxbytes)
-		return 0;
-	iov_iter_truncate(to, inode->i_sb->s_maxbytes - pos);
-
-	error = ncp_make_open(inode, O_RDONLY);
-	if (error) {
-		ncp_dbg(1, "open failed, error=%d\n", error);
-		return error;
-	}
-
-	bufsize = NCP_SERVER(inode)->buffer_size;
-
-	error = -EIO;
-	freelen = ncp_read_bounce_size(bufsize);
-	freepage = vmalloc(freelen);
-	if (!freepage)
-		goto outrel;
-	error = 0;
-	/* First read in as much as possible for each bufsize. */
-	while (iov_iter_count(to)) {
-		int read_this_time;
-		size_t to_read = min_t(size_t,
-				     bufsize - (pos % bufsize),
-				     iov_iter_count(to));
-
-		error = ncp_read_bounce(NCP_SERVER(inode),
-			 	NCP_FINFO(inode)->file_handle,
-				pos, to_read, to, &read_this_time, 
-				freepage, freelen);
-		if (error) {
-			error = -EIO;	/* NW errno -> Linux errno */
-			break;
-		}
-		pos += read_this_time;
-		already_read += read_this_time;
-
-		if (read_this_time != to_read)
-			break;
-	}
-	vfree(freepage);
-
-	iocb->ki_pos = pos;
-
-	file_accessed(file);
-
-	ncp_dbg(1, "exit %pD2\n", file);
-outrel:
-	ncp_inode_close(inode);		
-	return already_read ? already_read : error;
-}
-
-static ssize_t
-ncp_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
-{
-	struct file *file = iocb->ki_filp;
-	struct inode *inode = file_inode(file);
-	size_t already_written = 0;
-	size_t bufsize;
-	int errno;
-	void *bouncebuffer;
-	off_t pos;
-
-	ncp_dbg(1, "enter %pD2\n", file);
-	errno = generic_write_checks(iocb, from);
-	if (errno <= 0)
-		return errno;
-
-	errno = ncp_make_open(inode, O_WRONLY);
-	if (errno) {
-		ncp_dbg(1, "open failed, error=%d\n", errno);
-		return errno;
-	}
-	bufsize = NCP_SERVER(inode)->buffer_size;
-
-	errno = file_update_time(file);
-	if (errno)
-		goto outrel;
-
-	bouncebuffer = vmalloc(bufsize);
-	if (!bouncebuffer) {
-		errno = -EIO;	/* -ENOMEM */
-		goto outrel;
-	}
-	pos = iocb->ki_pos;
-	while (iov_iter_count(from)) {
-		int written_this_time;
-		size_t to_write = min_t(size_t,
-				      bufsize - (pos % bufsize),
-				      iov_iter_count(from));
-
-		if (!copy_from_iter_full(bouncebuffer, to_write, from)) {
-			errno = -EFAULT;
-			break;
-		}
-		if (ncp_write_kernel(NCP_SERVER(inode), 
-		    NCP_FINFO(inode)->file_handle,
-		    pos, to_write, bouncebuffer, &written_this_time) != 0) {
-			errno = -EIO;
-			break;
-		}
-		pos += written_this_time;
-		already_written += written_this_time;
-
-		if (written_this_time != to_write)
-			break;
-	}
-	vfree(bouncebuffer);
-
-	iocb->ki_pos = pos;
-
-	if (pos > i_size_read(inode)) {
-		inode_lock(inode);
-		if (pos > i_size_read(inode))
-			i_size_write(inode, pos);
-		inode_unlock(inode);
-	}
-	ncp_dbg(1, "exit %pD2\n", file);
-outrel:
-	ncp_inode_close(inode);		
-	return already_written ? already_written : errno;
-}
-
-static int ncp_release(struct inode *inode, struct file *file) {
-	if (ncp_make_closed(inode)) {
-		ncp_dbg(1, "failed to close\n");
-	}
-	return 0;
-}
-
-const struct file_operations ncp_file_operations =
-{
-	.llseek		= generic_file_llseek,
-	.read_iter	= ncp_file_read_iter,
-	.write_iter	= ncp_file_write_iter,
-	.unlocked_ioctl	= ncp_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl	= ncp_compat_ioctl,
-#endif
-	.mmap		= ncp_mmap,
-	.release	= ncp_release,
-	.fsync		= ncp_fsync,
-};
-
-const struct inode_operations ncp_file_inode_operations =
-{
-	.setattr	= ncp_notify_change,
-};