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| author |   Stefan Haberland <stefan.haberland@de.ibm.com> | 2010-08-09 18:13:00 +0200 |
|---|---|---|
| committer |   Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2010-08-09 18:12:54 +0200 |
| commit | 7c8faa86290c1a2607d6b768a0b874ec392a5c2a (patch) | |
| tree | 7cb94efdbd3ce3c5eb8fb7a2b7d8a5bedebcb1a2 /drivers/s390/block/dasd_diag.c | |
| parent | [S390] dasd: allocate fallback cqr for reserve/release (diff) | |
| download | linux-dev-7c8faa86290c1a2607d6b768a0b874ec392a5c2a.tar.xz linux-dev-7c8faa86290c1a2607d6b768a0b874ec392a5c2a.zip | |
[S390] dasd: tunable missing interrupt handler
This feature provides a user interface to specify the timeout for
missing interrupts for standard I/O operations.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd_diag.c')
| -rw-r--r-- | drivers/s390/block/dasd_diag.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c index 687f323cdc38..2b3bc3ec0541 100644 --- a/drivers/s390/block/dasd_diag.c +++ b/drivers/s390/block/dasd_diag.c @@ -43,7 +43,7 @@ MODULE_LICENSE("GPL"); sizeof(struct dasd_diag_req)) / \ sizeof(struct dasd_diag_bio)) / 2) #define DIAG_MAX_RETRIES 32 -#define DIAG_TIMEOUT 50 * HZ +#define DIAG_TIMEOUT 50 static struct dasd_discipline dasd_diag_discipline; @@ -360,6 +360,8 @@ dasd_diag_check_device(struct dasd_device *device) goto out; } + device->default_expires = DIAG_TIMEOUT; + /* Figure out position of label block */ switch (private->rdc_data.vdev_class) { case DEV_CLASS_FBA: @@ -563,7 +565,7 @@ static struct dasd_ccw_req *dasd_diag_build_cp(struct dasd_device *memdev, cqr->startdev = memdev; cqr->memdev = memdev; cqr->block = block; - cqr->expires = DIAG_TIMEOUT; + cqr->expires = memdev->default_expires * HZ; cqr->status = DASD_CQR_FILLED; return cqr; } |