diff options
| author |   Cornelia Huck <cornelia.huck@de.ibm.com> | 2006-12-08 15:54:26 +0100 |
|---|---|---|
| committer |   Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-12-08 15:54:26 +0100 |
| commit | 2ec2298412e1ab4674b3780005058d4f0b8bd858 (patch) | |
| tree | 7d48542e666636de17ac18e50ed33b4639be43fb /drivers/s390/cio/cio.h | |
| parent | [S390] Some preparations for the dynamic subchannel mapping patch. (diff) | |
| download | linux-dev-2ec2298412e1ab4674b3780005058d4f0b8bd858.tar.xz linux-dev-2ec2298412e1ab4674b3780005058d4f0b8bd858.zip | |
[S390] subchannel lock conversion.
Convert the subchannel lock to a pointer to a lock. Needed for the dynamic
subchannel mapping patch.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/cio.h')
| -rw-r--r-- | drivers/s390/cio/cio.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index 4541c1af4b66..7e7369b21a93 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -87,7 +87,7 @@ struct orb { /* subchannel data structure used by I/O subroutines */ struct subchannel { struct subchannel_id schid; - spinlock_t lock; /* subchannel lock */ + spinlock_t *lock; /* subchannel lock */ struct mutex reg_mutex; enum { SUBCHANNEL_TYPE_IO = 0, @@ -137,9 +137,11 @@ extern struct subchannel *cio_probe_console(void); extern void cio_release_console(void); extern int cio_is_console(struct subchannel_id); extern struct subchannel *cio_get_console_subchannel(void); +extern spinlock_t * cio_get_console_lock(void); #else #define cio_is_console(schid) 0 #define cio_get_console_subchannel() NULL +#define cio_get_console_lock() NULL; #endif extern int cio_show_msg; |