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Subject[2.5 patch] remove code for 2.0 kernels from drivers/char/ftape/*
The patch below is large but trivial:
It removes #if'd compatiblity code for 2.0 kernels from
drivers/char/ftape/* (this includes the removal of two header files
including only compatibility code and the #include's of these files).

I've tested the compilation with 2.5.54.

Please apply
Adrian


--- linux-2.5.54/drivers/char/ftape/lowlevel/ftape-setup.c.old 2003-01-08 00:50:19.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/lowlevel/ftape-setup.c 2003-01-08 00:51:10.000000000 +0100
@@ -31,12 +31,7 @@
#include <linux/mm.h>

#include <linux/ftape.h>
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,16)
#include <linux/init.h>
-#else
-#define __initdata
-#define __initfunc(__arg) __arg
-#endif
#include "../lowlevel/ftape-tracing.h"
#include "../lowlevel/fdc-io.h"

--- linux-2.5.54/drivers/char/ftape/lowlevel/ftape_syms.h 2003-01-02 04:21:12.000000000 +0100
+++ /dev/null 2002-12-14 00:15:53.000000000 +0100
@@ -1,39 +0,0 @@
-#ifndef _FTAPE_SYMS_H
-#define _FTAPE_SYMS_H
-
-/*
- * Copyright (C) 1996-1997 Claus-Justus Heine
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- *
- * $Source: /homes/cvs/ftape-stacked/ftape/lowlevel/ftape_syms.h,v $
- * $Revision: 1.2 $
- * $Date: 1997/10/05 19:18:32 $
- *
- * This file contains the definitions needed to export symbols
- * from the QIC-40/80/3010/3020 floppy-tape driver "ftape" for
- * Linux.
- */
-
-#if LINUX_VERSION_CODE < KERNEL_VER(2,1,18)
-#include <linux/module.h>
-/* ftape-vfs.c defined global vars.
- */
-
-extern struct symbol_table ftape_symbol_table;
-#endif
-
-#endif
--- linux-2.5.54/drivers/char/ftape/lowlevel/fdc-io.c.old 2003-01-08 00:54:29.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/lowlevel/fdc-io.c 2003-01-08 00:55:15.000000000 +0100
@@ -196,11 +196,7 @@
fdc_usec_wait(FT_RQM_DELAY); /* wait for valid RQM status */
save_flags(flags);
cli();
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,30)
if (!in_interrupt())
-#else
- if (!intr_count)
-#endif
/* Yes, I know, too much comments inside this function
* ...
*
@@ -264,19 +260,11 @@
}
}
#endif
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,30)
if (!in_interrupt()) {
/* shouldn't be cleared if called from isr
*/
ft_interrupt_seen = 0;
}
-#else
- if (!intr_count) {
- /* shouldn't be cleared if called from isr
- */
- ft_interrupt_seen = 0;
- }
-#endif
while (count) {
result = fdc_write(*cmd_data);
if (result < 0) {
@@ -392,15 +380,9 @@

TRACE_FUN(ft_t_fdc_dma);

-#if LINUX_VERSION_CODE >= KERNEL_VER(2,0,16)
if (waitqueue_active(&ftape_wait_intr)) {
TRACE_ABORT(-EIO, ft_t_err, "error: nested call");
}
-#else
- if (ftape_wait_intr) {
- TRACE_ABORT(-EIO, ft_t_err, "error: nested call");
- }
-#endif
/* timeout time will be up to USPT microseconds too long ! */
timeout = (1000 * time + FT_USPT - 1) / FT_USPT;

--- linux-2.5.54/drivers/char/ftape/lowlevel/fdc-isr.c.old 2003-01-08 00:55:49.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/lowlevel/fdc-isr.c 2003-01-08 00:57:37.000000000 +0100
@@ -1119,11 +1119,7 @@
}
ft_seek_completed = 1;
fdc_mode = fdc_idle;
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,0,16)
} else if (!waitqueue_active(&ftape_wait_intr)) {
-#else
- } else if (!ftape_wait_intr) {
-#endif
if (ft_expected_stray_interrupts == 0) {
TRACE(ft_t_warn, "unexpected stray interrupt");
} else {
@@ -1154,23 +1150,12 @@
*/
if (!ft_hide_interrupt) {
ft_interrupt_seen ++;
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,0,16)
if (waitqueue_active(&ftape_wait_intr)) {
wake_up_interruptible(&ftape_wait_intr);
}
-#else
- if (ftape_wait_intr) {
- wake_up_interruptible(&ftape_wait_intr);
- }
-#endif
} else {
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,0,16)
TRACE(ft_t_flow, "hiding interrupt while %s",
waitqueue_active(&ftape_wait_intr) ? "waiting":"active");
-#else
- TRACE(ft_t_flow, "hiding interrupt while %s",
- ftape_wait_intr ? "waiting" : "active");
-#endif
}
#ifdef TESTING
t0 = ftape_timediff(t0, ftape_timestamp());
--- linux-2.5.54/drivers/char/ftape/lowlevel/ftape-init.c.old 2003-01-08 00:58:07.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/lowlevel/ftape-init.c 2003-01-08 00:59:24.000000000 +0100
@@ -31,19 +31,13 @@
#include <linux/major.h>

#include <linux/ftape.h>
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,16)
#include <linux/init.h>
-#else
-#define __initdata
-#define __initfunc(__arg) __arg
-#endif
#include <linux/qic117.h>
#ifdef CONFIG_ZFTAPE
#include <linux/zftape.h>
#endif

#include "../lowlevel/ftape-init.h"
-#include "../lowlevel/ftape_syms.h"
#include "../lowlevel/ftape-io.h"
#include "../lowlevel/ftape-read.h"
#include "../lowlevel/ftape-write.h"
@@ -114,9 +108,6 @@
ft_failure = 1; /* inhibit any operation but open */
ftape_udelay_calibrate(); /* must be before fdc_wait_calibrate ! */
fdc_wait_calibrate();
-#if LINUX_VERSION_CODE < KERNEL_VER(2,1,18)
- register_symtab(&ftape_symbol_table); /* add global ftape symbols */
-#endif
#if defined(CONFIG_PROC_FS) && defined(CONFIG_FT_PROC_FS)
(void)ftape_proc_init();
#endif
@@ -132,7 +123,6 @@
static int ft_tracing = -1;
#endif

-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,18)
#define FT_MOD_PARM(var,type,desc) \
MODULE_PARM(var,type); MODULE_PARM_DESC(var,desc)

@@ -154,7 +144,6 @@
MODULE_DESCRIPTION(
"QIC-117 driver for QIC-40/80/3010/3020 floppy tape drives.");
MODULE_LICENSE("GPL");
-#endif

/* Called by modules package when installing the driver
*/
--- linux-2.5.54/drivers/char/ftape/lowlevel/ftape-ctl.c.old 2003-01-08 01:00:04.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/lowlevel/ftape-ctl.c 2003-01-08 01:00:25.000000000 +0100
@@ -33,11 +33,7 @@

#include <linux/ftape.h>
#include <linux/qic117.h>
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,6)
#include <asm/uaccess.h>
-#else
-#include <asm/segment.h>
-#endif
#include <asm/io.h>

/* ease porting between pre-2.4.x and later kernels */
--- linux-2.5.54/drivers/char/ftape/zftape/zftape-buffers.c.old 2003-01-08 01:00:50.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/zftape/zftape-buffers.c 2003-01-08 01:01:17.000000000 +0100
@@ -30,9 +30,7 @@

#include <linux/zftape.h>

-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,0)
#include <linux/vmalloc.h>
-#endif

#include "../zftape/zftape-init.h"
#include "../zftape/zftape-eof.h"
--- linux-2.5.54/drivers/char/ftape/zftape/zftape-ctl.c.old 2003-01-08 01:01:45.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/zftape/zftape-ctl.c 2003-01-08 01:03:55.000000000 +0100
@@ -33,11 +33,7 @@

#include <linux/zftape.h>

-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,6)
#include <asm/uaccess.h>
-#else
-#include <asm/segment.h>
-#endif

#include "../zftape/zftape-init.h"
#include "../zftape/zftape-eof.h"
@@ -957,18 +953,11 @@
*/
TRACE_EXIT 0;
}
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_to_user(mtftseg->mt_data,
zft_deblock_buf,
mtftseg->mt_result) != 0) {
TRACE_EXIT -EFAULT;
}
-#else
- TRACE_CATCH(verify_area(VERIFY_WRITE, mtftseg->mt_data,
- mtftseg->mt_result),);
- memcpy_tofs(mtftseg->mt_data, zft_deblock_buf,
- mtftseg->mt_result);
-#endif
TRACE_EXIT 0;
}
#endif
@@ -1016,19 +1005,11 @@
TRACE_EXIT -ENXIO;
}
if (mtftseg->mt_mode != FT_WR_DELETE) {
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_from_user(zft_deblock_buf,
mtftseg->mt_data,
FT_SEGMENT_SIZE) != 0) {
TRACE_EXIT -EFAULT;
}
-#else
- TRACE_CATCH(verify_area(VERIFY_READ,
- mtftseg->mt_data,
- FT_SEGMENT_SIZE),);
- memcpy_fromfs(zft_deblock_buf, mtftseg->mt_data,
- FT_SEGMENT_SIZE);
-#endif
}
mtftseg->mt_result = ftape_write_segment(mtftseg->mt_segno,
zft_deblock_buf,
@@ -1375,14 +1356,9 @@
ft_t_info, "bad argument size: %d", arg_size);
}
if (dir & _IOC_WRITE) {
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_from_user(&krnl_arg, arg, arg_size) != 0) {
TRACE_EXIT -EFAULT;
}
-#else
- TRACE_CATCH(verify_area(VERIFY_READ, arg, arg_size),);
- memcpy_fromfs(&krnl_arg, arg, arg_size);
-#endif
}
TRACE(ft_t_flow, "called with ioctl command: 0x%08x", command);
switch (command) {
@@ -1435,14 +1411,9 @@
break;
}
if ((result >= 0) && (dir & _IOC_READ)) {
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_to_user(arg, &krnl_arg, arg_size) != 0) {
TRACE_EXIT -EFAULT;
}
-#else
- TRACE_CATCH(verify_area(VERIFY_WRITE, arg, arg_size),);
- memcpy_tofs(arg, &krnl_arg, arg_size);
-#endif
}
TRACE_EXIT result;
}
--- linux-2.5.54/drivers/char/ftape/zftape/zftape-write.c.old 2003-01-08 01:05:13.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/zftape/zftape-write.c 2003-01-08 01:05:39.000000000 +0100
@@ -29,11 +29,7 @@

#include <linux/zftape.h>

-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,6)
#include <asm/uaccess.h>
-#else
-#include <asm/segment.h>
-#endif

#include "../zftape/zftape-init.h"
#include "../zftape/zftape-eof.h"
@@ -321,14 +317,9 @@
*/
space_left = seg_sz - pos->seg_byte_pos;
*cnt = req_len < space_left ? req_len : space_left;
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_from_user(dst_buf + pos->seg_byte_pos, src_buf, *cnt) != 0) {
TRACE_EXIT -EFAULT;
}
-#else
- TRACE_CATCH(verify_area(VERIFY_READ, src_buf, *cnt),);
- memcpy_fromfs(dst_buf + pos->seg_byte_pos, src_buf, *cnt);
-#endif
TRACE_EXIT *cnt;
}

--- linux-2.5.54/drivers/char/ftape/zftape/zftape_syms.h 2003-01-02 04:22:30.000000000 +0100
+++ /dev/null 2002-12-14 00:15:53.000000000 +0100
@@ -1,39 +0,0 @@
-#ifndef _ZFTAPE_SYMS_H
-#define _ZFTAPE_SYMS_H
-
-/*
- * Copyright (C) 1996, 1997 Claus-Justus Heine
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- *
- * $Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape_syms.h,v $
- * $Revision: 1.2 $
- * $Date: 1997/10/05 19:19:14 $
- *
- * This file contains the definitions needed for the symbols
- * ftape exports
- *
- */
-
-#if LINUX_VERSION_CODE < KERNEL_VER(2,1,18)
-#include <linux/module.h>
-/* ftape-vfs.c defined global vars.
- */
-
-extern struct symbol_table zft_symbol_table;
-#endif
-
-#endif
--- linux-2.5.54/drivers/char/ftape/zftape/zftape-init.c.old 2003-01-08 01:08:37.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/zftape/zftape-init.c 2003-01-08 01:08:49.000000000 +0100
@@ -45,7 +45,6 @@
#include "../zftape/zftape-write.h"
#include "../zftape/zftape-ctl.h"
#include "../zftape/zftape-buffers.h"
-#include "../zftape/zftape_syms.h"

char zft_src[] __initdata = "$Source: /homes/cvs/ftape-stacked/ftape/zftape/zftape-init.c,v $";
char zft_rev[] __initdata = "$Revision: 1.8 $";
--- linux-2.5.54/drivers/char/ftape/zftape/zftape-read.c.old 2003-01-08 01:09:12.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/zftape/zftape-read.c 2003-01-08 01:09:33.000000000 +0100
@@ -29,11 +29,7 @@

#include <linux/zftape.h>

-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,6)
#include <asm/uaccess.h>
-#else
-#include <asm/segment.h>
-#endif

#include "../zftape/zftape-init.h"
#include "../zftape/zftape-eof.h"
@@ -172,15 +168,10 @@
} else {
*read_cnt = to_do;
}
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_to_user(dst_buf,
src_buf + pos->seg_byte_pos, *read_cnt) != 0) {
TRACE_EXIT -EFAULT;
}
-#else
- TRACE_CATCH(verify_area(VERIFY_WRITE, dst_buf, *read_cnt),);
- memcpy_tofs(dst_buf, src_buf + pos->seg_byte_pos, *read_cnt);
-#endif
TRACE(ft_t_noise, "nr bytes just read: %d", *read_cnt);
TRACE_EXIT *read_cnt;
}
--- linux-2.5.54/drivers/char/ftape/compressor/zftape-compress.c.old 2003-01-08 01:11:51.000000000 +0100
+++ linux-2.5.54/drivers/char/ftape/compressor/zftape-compress.c 2003-01-08 01:13:32.000000000 +0100
@@ -37,11 +37,7 @@

#include <linux/zftape.h>

-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,6)
#include <asm/uaccess.h>
-#else
-#include <asm/segment.h>
-#endif

#include "../zftape/zftape-init.h"
#include "../zftape/zftape-eof.h"
@@ -271,15 +267,9 @@

static void zftc_lock(void)
{
-#if LINUX_VERSION_CODE < KERNEL_VER(2,1,18)
- if (!MOD_IN_USE) {
- MOD_INC_USE_COUNT;
- }
-#else
MOD_INC_USE_COUNT; /* sets MOD_VISITED and MOD_USED_ONCE,
* locking is done with can_unload()
*/
-#endif
keep_module_locked = 1;
}

@@ -291,11 +281,6 @@

memset((void *)&cseg, '\0', sizeof(cseg));
zftc_stats();
-#if LINUX_VERSION_CODE < KERNEL_VER(2,1,18)
- if (MOD_IN_USE) {
- MOD_DEC_USE_COUNT;
- }
-#endif
keep_module_locked = 0;
TRACE_EXIT;
}
@@ -570,15 +555,9 @@
TRACE_FUN(ft_t_flow);

keep_module_locked = 1;
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,18)
MOD_INC_USE_COUNT; /* sets MOD_VISITED and MOD_USED_ONCE,
* locking is done with can_unload()
*/
-#else
- if (!MOD_IN_USE) {
- MOD_INC_USE_COUNT;
- }
-#endif
/* Note: we do not unlock the module because
* there are some values cached in that `cseg' variable. We
* don't don't want to use this information when being
@@ -618,17 +597,10 @@
* block. We know, that the compression buffer is
* empty (else there wouldn't be any space left).
*/
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_from_user(zftc_scratch_buf, src_buf + result,
volume->blk_sz) != 0) {
TRACE_EXIT -EFAULT;
}
-#else
- TRACE_CATCH(verify_area(VERIFY_READ, src_buf + result,
- volume->blk_sz),);
- memcpy_fromfs(zftc_scratch_buf, src_buf + result,
- volume->blk_sz);
-#endif
req_len_left -= volume->blk_sz;
cseg.cmpr_sz = zft_compress(zftc_scratch_buf, volume->blk_sz,
zftc_buf);
@@ -704,15 +676,9 @@
TRACE_FUN(ft_t_flow);

keep_module_locked = 1;
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,18)
MOD_INC_USE_COUNT; /* sets MOD_VISITED and MOD_USED_ONCE,
* locking is done with can_unload()
*/
-#else
- if (!MOD_IN_USE) {
- MOD_INC_USE_COUNT;
- }
-#endif
TRACE_CATCH(zft_allocate_cmpr_mem(volume->blk_sz),);
if (pos->seg_byte_pos == 0) {
/* new segment just read
@@ -746,16 +712,11 @@
"Uncompressed blk (%d) != blk size (%d)",
uncompressed_sz, volume->blk_sz);
}
-#if LINUX_VERSION_CODE > KERNEL_VER(2,1,3)
if (copy_to_user(dst_buf + result,
zftc_scratch_buf,
uncompressed_sz) != 0 ) {
TRACE_EXIT -EFAULT;
}
-#else
- memcpy_tofs(dst_buf + result, zftc_scratch_buf,
- uncompressed_sz);
-#endif
remaining -= uncompressed_sz;
result += uncompressed_sz;
cseg.cmpr_pos = 0;
@@ -839,15 +800,9 @@
TRACE_FUN(ft_t_flow);

keep_module_locked = 1;
-#if LINUX_VERSION_CODE >= KERNEL_VER(2,1,18)
MOD_INC_USE_COUNT; /* sets MOD_VISITED and MOD_USED_ONCE,
* locking is done with can_unload()
*/
-#else
- if (!MOD_IN_USE) {
- MOD_INC_USE_COUNT;
- }
-#endif
if (new_block_pos == 0) {
pos->seg_pos = volume->start_seg;
pos->seg_byte_pos = 0;
@@ -1272,15 +1227,11 @@
{
int result;

-#if LINUX_VERSION_CODE < KERNEL_VER(2,1,18)
- register_symtab(0); /* remove global ftape symbols */
-#else
#if 0 /* FIXME --RR */
if (!mod_member_present(&__this_module, can_unload))
return -EBUSY;
__this_module.can_unload = can_unload;
#endif
-#endif
result = zft_compressor_init();
keep_module_locked = 0;
return result;
-
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