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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 17:17:34 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 17:17:34 +0100 |
| commit | cf816ecb533ab96b883dfdc0db174598b5b5c4d2 (patch) | |
| tree | 1b7705db288ae2917105e624b01fdf81e0882bf1 /drivers/s390/char/vmur.h | |
| parent | adf6d34e460387ee3e8f1e1875d52bff51212c7d (diff) | |
| parent | 15f7d677ccff6f0f5de8a1ee43a792567e9f9de9 (diff) | |
| download | blackbird-op-linux-cf816ecb533ab96b883dfdc0db174598b5b5c4d2.tar.gz blackbird-op-linux-cf816ecb533ab96b883dfdc0db174598b5b5c4d2.zip | |
Merge branch 'merge-fixes' into devel
Diffstat (limited to 'drivers/s390/char/vmur.h')
| -rw-r--r-- | drivers/s390/char/vmur.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/char/vmur.h b/drivers/s390/char/vmur.h index fa959644735a..fa320ad4593d 100644 --- a/drivers/s390/char/vmur.h +++ b/drivers/s390/char/vmur.h @@ -62,7 +62,6 @@ struct file_control_block { struct urdev { struct ccw_device *cdev; /* Backpointer to ccw device */ struct mutex io_mutex; /* Serialises device IO */ - struct mutex open_mutex; /* Serialises access to device */ struct completion *io_done; /* do_ur_io waits; irq completes */ struct device *device; struct cdev *char_device; @@ -71,6 +70,9 @@ struct urdev { int class; /* VM device class */ int io_request_rc; /* return code from I/O request */ atomic_t ref_count; /* reference counter */ + wait_queue_head_t wait; /* wait queue to serialize open */ + int open_flag; /* "urdev is open" flag */ + spinlock_t open_lock; /* serialize critical sections */ }; /* |
