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s390/dasd: extend dasd path handling

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Store flags and path_data per channel path.
Implement get/set functions for various path masks.
The patch does not add functional changes.

Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Stefan Haberland
2016-08-08 15:53:54 +02:00
committed by Martin Schwidefsky
parent 7df1160459
commit c93461515a
8 changed files with 475 additions and 143 deletions
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10
drivers/s390/block/dasd_devmap.c
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@@ -1438,11 +1438,11 @@ static ssize_t dasd_pm_show(struct device *dev,
if (IS_ERR(device))
return sprintf(buf, "0\n");
opm = device->path_data.opm;
nppm = device->path_data.npm;
cablepm = device->path_data.cablepm;
cuirpm = device->path_data.cuirpm;
hpfpm = device->path_data.hpfpm;
opm = dasd_path_get_opm(device);
nppm = dasd_path_get_nppm(device);
cablepm = dasd_path_get_cablepm(device);
cuirpm = dasd_path_get_cuirpm(device);
hpfpm = dasd_path_get_hpfpm(device);
dasd_put_device(device);
return sprintf(buf, "%02x %02x %02x %02x %02x\n", opm, nppm,