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Kirill Smelkov
linux
Commits
2f3c3a9b
Commit
2f3c3a9b
authored
Nov 25, 2002
by
Alan Cox
Committed by
Linus Torvalds
Nov 25, 2002
Browse files
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Plain Diff
[PATCH] rescue ftape from the ravages of that Rusty chap
parent
bfdfd4c3
Changes
4
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4 changed files
with
4 additions
and
83 deletions
+4
-83
drivers/char/ftape/lowlevel/ftape-init.h
drivers/char/ftape/lowlevel/ftape-init.h
+0
-11
drivers/char/ftape/zftape/zftape-ctl.c
drivers/char/ftape/zftape/zftape-ctl.c
+0
-44
drivers/char/ftape/zftape/zftape-init.c
drivers/char/ftape/zftape/zftape-init.c
+4
-21
drivers/char/ftape/zftape/zftape-init.h
drivers/char/ftape/zftape/zftape-init.h
+0
-7
No files found.
drivers/char/ftape/lowlevel/ftape-init.h
View file @
2f3c3a9b
...
...
@@ -40,15 +40,4 @@
#define QIC117_TAPE_MAJOR 27
#endif
/* ftape-init.c defined global variables.
*/
/* ftape-init.c defined global functions not defined in ftape.h
*/
#ifdef MODULE
asmlinkage
extern
int
init_module
(
void
);
asmlinkage
extern
void
cleanup_module
(
void
);
#endif
#endif
drivers/char/ftape/zftape/zftape-ctl.c
View file @
2f3c3a9b
...
...
@@ -648,50 +648,6 @@ int zft_check_write_access(zft_position *pos)
TRACE_EXIT
0
;
}
/* decide when we should lock the module in memory, even when calling
* the release routine. This really is necessary for use with
* kerneld.
*
* NOTE: we MUST NOT use zft_write_protected, because this includes
* the file access mode as well which has no meaning with our
* asynchronous update scheme.
*
* Ugly, ugly. We need to look the module if we changed the block size.
* How sad! Need persistent modules storage!
*
* NOTE: I don't want to lock the module if the number of dma buffers
* has been changed. It's enough! Stop the story! Give me persisitent
* module storage! Do it!
*/
int
zft_dirty
(
void
)
{
if
(
!
ft_formatted
||
zft_offline
)
{
/* cannot be dirty if not formatted or offline */
return
0
;
}
if
(
zft_blk_sz
!=
CONFIG_ZFT_DFLT_BLK_SZ
)
{
/* blocksize changed, must lock */
return
1
;
}
if
(
zft_mt_compression
!=
0
)
{
/* compression mode with /dev/qft, must lock */
return
1
;
}
if
(
!
zft_header_read
)
{
/* tape is logical at BOT, no lock */
return
0
;
}
if
(
!
zft_tape_at_lbot
(
&
zft_pos
))
{
/* somewhere inside a volume, lock tape */
return
1
;
}
if
(
zft_volume_table_changed
||
zft_header_changed
)
{
/* header segments dirty if tape not write protected */
return
!
(
ft_write_protected
||
zft_old_ftape
);
}
return
0
;
}
/* OPEN routine called by kernel-interface code
*
* NOTE: this is also called by mt_reset() with dev_minor == -1
...
...
drivers/char/ftape/zftape/zftape-init.c
View file @
2f3c3a9b
...
...
@@ -314,7 +314,7 @@ extern int zft_compressor_init(void);
/* Called by modules package when installing the driver or by kernel
* during the initialization phase
*/
int
__init
zft_init
(
void
)
static
int
__init
zft_init
(
void
)
{
int
i
;
TRACE_FUN
(
ft_t_flow
);
...
...
@@ -392,27 +392,9 @@ KERN_INFO
}
#ifdef MODULE
/* Called by modules package before trying to unload the module
*/
static
int
can_unload
(
void
)
{
return
(
GET_USE_COUNT
(
THIS_MODULE
)
||
zft_dirty
()
||
test_bit
(
0
,
&
busy_flag
))
?-
EBUSY
:
0
;
}
/* Called by modules package when installing the driver
*/
int
init_module
(
void
)
{
if
(
!
mod_member_present
(
&
__this_module
,
can_unload
))
{
return
-
EBUSY
;
}
__this_module
.
can_unload
=
can_unload
;
return
zft_init
();
}
/* Called by modules package when removing the driver
*/
void
cleanup_module
(
void
)
static
void
zft_exit
(
void
)
{
int
i
;
TRACE_FUN
(
ft_t_flow
);
...
...
@@ -435,4 +417,5 @@ void cleanup_module(void)
TRACE_EXIT
;
}
#endif
/* MODULE */
module_init
(
zft_init
);
module_exit
(
zft_exit
);
drivers/char/ftape/zftape/zftape-init.h
View file @
2f3c3a9b
...
...
@@ -73,13 +73,6 @@ extern int zft_cmpr_register(struct zft_cmpr_ops *new_ops);
extern
struct
zft_cmpr_ops
*
zft_cmpr_unregister
(
void
);
extern
int
zft_cmpr_lock
(
int
try_to_load
);
#ifdef MODULE
asmlinkage
extern
int
init_module
(
void
);
asmlinkage
extern
void
cleanup_module
(
void
);
#endif
#endif
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