Michael Holzheu 7a9cc6e18b s390/cio: Make /dev/chsc a single-open device
In order to allow serialization of dynamic I/O with this patch
the /dev/chsc character device can only be accessed by one
single opener. Any subsequent open calls are rejected with EBUSY.

Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-06-26 21:10:11 +02:00
..
2013-05-15 16:47:39 +02:00
2013-04-26 09:07:13 +02:00
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2013-02-28 09:37:12 +01:00
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