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path: root/drivers/s390/char/tape_char.c
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Diffstat (limited to 'drivers/s390/char/tape_char.c')
-rw-r--r--drivers/s390/char/tape_char.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 31198c8f2718..b830a8cbef78 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -3,7 +3,7 @@
* character device frontend for tape device driver
*
* S390 and zSeries version
- * Copyright (C) 2001,2002 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright IBM Corp. 2001,2006
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Michael Holzheu <holzheu@de.ibm.com>
* Tuan Ngo-Anh <ngoanh@de.ibm.com>
@@ -39,7 +39,7 @@ static int tapechar_ioctl(struct inode *, struct file *, unsigned int,
static long tapechar_compat_ioctl(struct file *, unsigned int,
unsigned long);
-static struct file_operations tape_fops =
+static const struct file_operations tape_fops =
{
.owner = THIS_MODULE,
.read = tapechar_read,
@@ -89,22 +89,7 @@ tapechar_cleanup_device(struct tape_device *device)
device->nt = NULL;
}
-/*
- * Terminate write command (we write two TMs and skip backward over last)
- * This ensures that the tape is always correctly terminated.
- * When the user writes afterwards a new file, he will overwrite the
- * second TM and therefore one TM will remain to separate the
- * two files on the tape...
- */
-static inline void
-tapechar_terminate_write(struct tape_device *device)
-{
- if (tape_mtop(device, MTWEOF, 1) == 0 &&
- tape_mtop(device, MTWEOF, 1) == 0)
- tape_mtop(device, MTBSR, 1);
-}
-
-static inline int
+static int
tapechar_check_idalbuffer(struct tape_device *device, size_t block_size)
{
struct idal_buffer *new;
@@ -137,7 +122,7 @@ tapechar_check_idalbuffer(struct tape_device *device, size_t block_size)
/*
* Tape device read function
*/
-ssize_t
+static ssize_t
tapechar_read(struct file *filp, char __user *data, size_t count, loff_t *ppos)
{
struct tape_device *device;
@@ -201,7 +186,7 @@ tapechar_read(struct file *filp, char __user *data, size_t count, loff_t *ppos)
/*
* Tape device write function
*/
-ssize_t
+static ssize_t
tapechar_write(struct file *filp, const char __user *data, size_t count, loff_t *ppos)
{
struct tape_device *device;
@@ -291,7 +276,7 @@ tapechar_write(struct file *filp, const char __user *data, size_t count, loff_t
/*
* Character frontend tape device open function.
*/
-int
+static int
tapechar_open (struct inode *inode, struct file *filp)
{
struct tape_device *device;
@@ -326,7 +311,7 @@ tapechar_open (struct inode *inode, struct file *filp)
* Character frontend tape device release function.
*/
-int
+static int
tapechar_release(struct inode *inode, struct file *filp)
{
struct tape_device *device;