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Adaptively increase control command timeout when drive is spun down.

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This should fix, for example, cache flush timeout error on shutdown, if
some drives are not mounted.

PR:		kern/111023
This commit is contained in:
mav 2009-02-17 23:20:04 +00:00
parent 0df1aedf21
commit 62a9b004fc
1 changed files with 8 additions and 1 deletions
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9
sys/dev/ata/ata-queue.c
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@ -119,6 +119,7 @@ int
ata_controlcmd(device_t dev, u_int8_t command, u_int16_t feature,
u_int64_t lba, u_int16_t count)
{
struct ata_device *atadev = device_get_softc(dev);
struct ata_request *request = ata_alloc_request();
int error = ENOMEM;
@ -129,7 +130,13 @@ ata_controlcmd(device_t dev, u_int8_t command, u_int16_t feature,
request->u.ata.count = count;
request->u.ata.feature = feature;
request->flags = ATA_R_CONTROL;
request->timeout = 1;
if (atadev->spindown_state) {
device_printf(dev, "request while spun down, starting.\n");
atadev->spindown_state = 0;
request->timeout = 31;
} else {
request->timeout = 5;
}
request->retries = 0;
ata_queue_request(request);
error = request->result;