| commit | 7a9cc6e18b8fe751a41349b188dd468a8317192a | |
| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | |
| Thu, 6 Jun 2013 07:49:09 +0000 (6 09:49 +0200) | ||
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | |
| Wed, 26 Jun 2013 19:10:11 +0000 (26 21:10 +0200) | ||
| tree | 0fe5e8f7afde1186a03ee8dd48f4226bc1f5c4a1 | treesnapshot (tar.gz zip) |
| parent | 64150adf89df2ed165d6760f414fa6df07d22628 | commitdiff |
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>
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>
| drivers/s390/cio/chsc_sch.c | diffblobblamehistory |