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4e999af9
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体验新版 GitCode,发现更多精彩内容 >>
提交
4e999af9
编写于
3月 02, 2008
作者:
A
Al Viro
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[PATCH] switch tape_block
Signed-off-by:
N
Al Viro
<
viro@zeniv.linux.org.uk
>
上级
46d74326
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
13 addition
and
16 deletion
+13
-16
drivers/s390/char/tape_block.c
drivers/s390/char/tape_block.c
+13
-16
未找到文件。
drivers/s390/char/tape_block.c
浏览文件 @
4e999af9
...
...
@@ -43,18 +43,18 @@
/*
* file operation structure for tape block frontend
*/
static
int
tapeblock_open
(
struct
inode
*
,
struct
file
*
);
static
int
tapeblock_release
(
struct
inode
*
,
struct
file
*
);
static
int
tapeblock_ioctl
(
struct
inode
*
,
struct
file
*
,
unsigned
int
,
static
int
tapeblock_open
(
struct
block_device
*
,
fmode_t
);
static
int
tapeblock_release
(
struct
gendisk
*
,
fmode_t
);
static
int
tapeblock_ioctl
(
struct
block_device
*
,
fmode_t
,
unsigned
int
,
unsigned
long
);
static
int
tapeblock_medium_changed
(
struct
gendisk
*
);
static
int
tapeblock_revalidate_disk
(
struct
gendisk
*
);
static
struct
block_device_operations
tapeblock_fops
=
{
.
owner
=
THIS_MODULE
,
.
__
open
=
tapeblock_open
,
.
__
release
=
tapeblock_release
,
.
_
_ioctl
=
tapeblock_ioctl
,
.
open
=
tapeblock_open
,
.
release
=
tapeblock_release
,
.
locked
_ioctl
=
tapeblock_ioctl
,
.
media_changed
=
tapeblock_medium_changed
,
.
revalidate_disk
=
tapeblock_revalidate_disk
,
};
...
...
@@ -364,13 +364,12 @@ tapeblock_medium_changed(struct gendisk *disk)
* Block frontend tape device open function.
*/
static
int
tapeblock_open
(
struct
inode
*
inode
,
struct
file
*
filp
)
tapeblock_open
(
struct
block_device
*
bdev
,
fmode_t
mode
)
{
struct
gendisk
*
disk
;
struct
gendisk
*
disk
=
bdev
->
bd_disk
;
struct
tape_device
*
device
;
int
rc
;
disk
=
inode
->
i_bdev
->
bd_disk
;
device
=
tape_get_device_reference
(
disk
->
private_data
);
if
(
device
->
required_tapemarks
)
{
...
...
@@ -410,9 +409,8 @@ tapeblock_open(struct inode *inode, struct file *filp)
* we just get the pointer here and release the reference.
*/
static
int
tapeblock_release
(
struct
inode
*
inode
,
struct
file
*
filp
)
tapeblock_release
(
struct
gendisk
*
disk
,
fmode_t
mode
)
{
struct
gendisk
*
disk
=
inode
->
i_bdev
->
bd_disk
;
struct
tape_device
*
device
=
disk
->
private_data
;
tape_state_set
(
device
,
TS_IN_USE
);
...
...
@@ -427,22 +425,21 @@ tapeblock_release(struct inode *inode, struct file *filp)
*/
static
int
tapeblock_ioctl
(
struct
inode
*
inode
,
struct
file
*
fil
e
,
struct
block_device
*
bdev
,
fmode_t
mod
e
,
unsigned
int
command
,
unsigned
long
arg
)
{
int
rc
;
int
minor
;
struct
gendisk
*
disk
;
struct
gendisk
*
disk
=
bdev
->
bd_disk
;
struct
tape_device
*
device
;
rc
=
0
;
disk
=
inode
->
i_bdev
->
bd_disk
;
BUG_ON
(
!
disk
);
device
=
disk
->
private_data
;
BUG_ON
(
!
device
);
minor
=
iminor
(
inode
);
minor
=
MINOR
(
bdev
->
bd_dev
);
DBF_LH
(
6
,
"tapeblock_ioctl(0x%0x)
\n
"
,
command
);
DBF_LH
(
6
,
"device = %d:%d
\n
"
,
tapeblock_major
,
minor
);
...
...
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