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scsi-generic: Handle queue full

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The sg driver currently has a hardcoded limit of commands it
can handle simultaneously. When this limit is reached the
driver will return -EDOM. So we need to capture this to
enable proper return values here.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Paolo Bonzini 2011-04-18 14:29:16 +02:00
parent 42741212eb
commit 2e7cc4d604
1 changed files with 3 additions and 0 deletions
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3
hw/scsi-generic.c
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@ -124,6 +124,9 @@ static void scsi_command_complete(void *opaque, int ret)
if (ret != 0) { if (ret != 0) {
switch (ret) { switch (ret) {
case -EDOM:
r->req.status = TASK_SET_FULL;
break;
case -EINVAL: case -EINVAL:
r->req.status = CHECK_CONDITION; r->req.status = CHECK_CONDITION;
scsi_set_sense(s, SENSE_CODE(INVALID_FIELD)); scsi_set_sense(s, SENSE_CODE(INVALID_FIELD));