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| author | Jan Höppner <hoeppner@linux.ibm.com> | 2018-04-27 17:55:27 +0300 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2019-07-11 21:39:54 +0300 |
| commit | a0610a8ad80743ff916ebef0490418a298e5bd23 (patch) | |
| tree | 54d79459c0b1ae93fd3f5ccd0b1fc6a62bec5c10 /drivers/s390/block/dasd_int.h | |
| parent | 91dc4a197569230683ca8bad551e655a4bf14c30 (diff) | |
| download | linux-a0610a8ad80743ff916ebef0490418a298e5bd23.tar.xz | |
s390/dasd: Make dasd_setup_queue() a discipline function
ECKD, FBA, and the DIAG discipline use slightly different block layer
settings. In preparation of even more diverse queue settings, make
dasd_setup_queue() a discipline function.
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
Reviewed-by: Stefan Haberland <sth@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd_int.h')
| -rw-r--r-- | drivers/s390/block/dasd_int.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 7fe0c6b9d9ef..aa4fd0d206bb 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -268,7 +268,6 @@ struct dasd_discipline { struct module *owner; char ebcname[8]; /* a name used for tagging and printks */ char name[8]; /* a name used for tagging and printks */ - int max_blocks; /* maximum number of blocks to be chained */ struct list_head list; /* used for list of disciplines */ @@ -307,6 +306,10 @@ struct dasd_discipline { int (*online_to_ready) (struct dasd_device *); int (*basic_to_known)(struct dasd_device *); + /* + * Initialize block layer request queue. + */ + void (*setup_blk_queue)(struct dasd_block *); /* (struct dasd_device *); * Device operation functions. build_cp creates a ccw chain for * a block device request, start_io starts the request and |