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| author | Jeff Skirvin | 2011-06-20 23:09:16 +0200 |
|---|---|---|
| committer | Dan Williams | 2011-07-03 13:04:50 +0200 |
| commit | 77c852f312243192b1f2ce7fc56d678784786692 (patch) | |
| tree | bb0f8a9694f1f2cf4d7985ef3dc40af79963c4f7 /drivers/scsi/isci/request.c | |
| parent | isci: Requests that do not start must be set to "complete" (diff) | |
| download | kernel-qcow2-linux-77c852f312243192b1f2ce7fc56d678784786692.tar.gz kernel-qcow2-linux-77c852f312243192b1f2ce7fc56d678784786692.tar.xz kernel-qcow2-linux-77c852f312243192b1f2ce7fc56d678784786692.zip | |
isci: Handle timed-out request terminations correctly
In the situation where a termination of an I/O times-out,
make sure that the linkage from the request to the task
is severed completely. Also make sure that the selection
of tasks to terminate occurs under scic_lock.
Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci/request.c')
| -rw-r--r-- | drivers/scsi/isci/request.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 5879e5f308e6..433565c2b343 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -2741,6 +2741,15 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, spin_unlock(&request->state_lock); break; + case dead: + /* This was a terminated request that timed-out during the + * termination process. There is no task to complete to + * libsas. + */ + complete_to_host = isci_perform_normal_io_completion; + spin_unlock(&request->state_lock); + break; + default: /* The request is done from an SCU HW perspective. */ |