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nexedi
linux
Commits
4a17ca93
Commit
4a17ca93
authored
Oct 31, 2002
by
Alexander Viro
Committed by
Linus Torvalds
Oct 31, 2002
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[PATCH] sr template
Ditto for sr.c
parent
1061e346
Changes
2
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Side-by-side
Showing
2 changed files
with
14 additions
and
7 deletions
+14
-7
drivers/scsi/sr.c
drivers/scsi/sr.c
+13
-7
drivers/scsi/sr.h
drivers/scsi/sr.h
+1
-0
No files found.
drivers/scsi/sr.c
View file @
4a17ca93
...
...
@@ -178,6 +178,11 @@ int sr_media_change(struct cdrom_device_info *cdi, int slot)
return
retval
;
}
static
inline
struct
scsi_cd
*
scsi_cd
(
struct
gendisk
*
disk
)
{
return
container_of
(
disk
->
private_data
,
struct
scsi_cd
,
driver
);
}
/*
* rw_intr is the interrupt routine for the device driver.
*
...
...
@@ -190,7 +195,7 @@ static void rw_intr(struct scsi_cmnd * SCpnt)
int
this_count
=
SCpnt
->
bufflen
>>
9
;
int
good_sectors
=
(
result
==
0
?
this_count
:
0
);
int
block_sectors
=
0
;
struct
scsi_cd
*
cd
=
SCpnt
->
request
->
rq_disk
->
private_data
;
struct
scsi_cd
*
cd
=
scsi_cd
(
SCpnt
->
request
->
rq_disk
)
;
#ifdef DEBUG
printk
(
"sr.c done: %x %p
\n
"
,
result
,
SCpnt
->
request
->
bh
->
b_data
);
...
...
@@ -243,7 +248,7 @@ static void rw_intr(struct scsi_cmnd * SCpnt)
static
int
sr_init_command
(
struct
scsi_cmnd
*
SCpnt
)
{
int
block
=
0
,
this_count
,
s_size
,
timeout
=
SR_TIMEOUT
;
struct
scsi_cd
*
cd
=
SCpnt
->
request
->
rq_disk
->
private_data
;
struct
scsi_cd
*
cd
=
scsi_cd
(
SCpnt
->
request
->
rq_disk
)
;
SCSI_LOG_HLQUEUE
(
1
,
printk
(
"Doing sr request, dev = %s, block = %d
\n
"
,
cd
->
disk
->
disk_name
,
block
));
...
...
@@ -395,26 +400,26 @@ static int sr_init_command(struct scsi_cmnd * SCpnt)
static
int
sr_block_open
(
struct
inode
*
inode
,
struct
file
*
file
)
{
struct
scsi_cd
*
cd
=
inode
->
i_bdev
->
bd_disk
->
private_data
;
struct
scsi_cd
*
cd
=
scsi_cd
(
inode
->
i_bdev
->
bd_disk
)
;
return
cdrom_open
(
&
cd
->
cdi
,
inode
,
file
);
}
static
int
sr_block_release
(
struct
inode
*
inode
,
struct
file
*
file
)
{
struct
scsi_cd
*
cd
=
inode
->
i_bdev
->
bd_disk
->
private_data
;
struct
scsi_cd
*
cd
=
scsi_cd
(
inode
->
i_bdev
->
bd_disk
)
;
return
cdrom_release
(
&
cd
->
cdi
,
file
);
}
static
int
sr_block_ioctl
(
struct
inode
*
inode
,
struct
file
*
file
,
unsigned
cmd
,
unsigned
long
arg
)
{
struct
scsi_cd
*
cd
=
inode
->
i_bdev
->
bd_disk
->
private_data
;
struct
scsi_cd
*
cd
=
scsi_cd
(
inode
->
i_bdev
->
bd_disk
)
;
return
cdrom_ioctl
(
&
cd
->
cdi
,
inode
,
cmd
,
arg
);
}
static
int
sr_block_media_changed
(
struct
gendisk
*
disk
)
{
struct
scsi_cd
*
cd
=
disk
->
private_data
;
struct
scsi_cd
*
cd
=
scsi_cd
(
disk
)
;
return
cdrom_media_changed
(
&
cd
->
cdi
);
}
...
...
@@ -766,6 +771,7 @@ static int sr_init_one(struct scsi_cd *cd, int first_minor)
strcpy
(
disk
->
disk_name
,
cd
->
cdi
.
name
);
disk
->
fops
=
&
sr_bdops
;
disk
->
flags
=
GENHD_FL_CD
;
cd
->
driver
=
&
sr_template
;
cd
->
disk
=
disk
;
cd
->
capacity
=
0x1fffff
;
cd
->
device
->
sector_size
=
2048
;
/* A guess, just in case */
...
...
@@ -798,7 +804,7 @@ static int sr_init_one(struct scsi_cd *cd, int first_minor)
disk
->
driverfs_dev
=
&
cd
->
device
->
sdev_driverfs_dev
;
register_cdrom
(
&
cd
->
cdi
);
set_capacity
(
disk
,
cd
->
capacity
);
disk
->
private_data
=
cd
;
disk
->
private_data
=
&
cd
->
driver
;
disk
->
queue
=
&
cd
->
device
->
request_queue
;
add_disk
(
disk
);
...
...
drivers/scsi/sr.h
View file @
4a17ca93
...
...
@@ -25,6 +25,7 @@
#define IOCTL_TIMEOUT 30*HZ
typedef
struct
scsi_cd
{
struct
Scsi_Device_Template
*
driver
;
unsigned
capacity
;
/* size in blocks */
Scsi_Device
*
device
;
unsigned
int
vendor
;
/* vendor code, see sr_vendor.c */
...
...
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